According to the version of the vzkernel package and the readykernel-patch installed, the Virtuozzo installation on the remote host is affected by the following vulnerabilities :
- It was found that keyctl_set_reqkey_keyring() function leaked thread keyring which could allow an unprivileged local user to exhaust kernel memory.
- net/sctp/socket.c in the Linux kernel through 4.10.1 did not properly restrict association peel-off operations during certain wait states, which allowed local users to cause a denial of service (invalid unlock and double free) via a multithreaded application.
- Race condition in the sctp_wait_for_sndbuf function in net/sctp/socket.c in the Linux kernel before 4.9.11 could allow local users to cause a denial of service (assertion failure and panic) via a multithreaded application that peeled off an association in a certain buffer-full state.
- Andrey Konovalov discovered that signed integer overflows existed in the setsockopt() system call when handling the SO_SNDBUFFORCE and SO_RCVBUFFORCE options.
A local attacker with the CAP_NET_ADMIN capability could use this to cause a denial of service (system crash or memory corruption).
- A vulnerability was discovered in the handling of pid namespaces in the kernel. A privileged user inside a container could trigger a kernel crash (NULL pointer dereference in proc_flush_task()) using a sequence of system calls including wait4().
Note that Tenable Network Security has extracted the preceding description block directly from the Virtuozzo security advisory.
Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.
{"id": "VIRTUOZZO_VZA-2017-029.NASL", "vendorId": null, "type": "nessus", "bulletinFamily": "scanner", "title": "Virtuozzo 7 : readykernel-patch (VZA-2017-029)", "description": "According to the version of the vzkernel package and the readykernel-patch installed, the Virtuozzo installation on the remote host is affected by the following vulnerabilities :\n\n - It was found that keyctl_set_reqkey_keyring() function leaked thread keyring which could allow an unprivileged local user to exhaust kernel memory.\n\n - net/sctp/socket.c in the Linux kernel through 4.10.1 did not properly restrict association peel-off operations during certain wait states, which allowed local users to cause a denial of service (invalid unlock and double free) via a multithreaded application.\n\n - Race condition in the sctp_wait_for_sndbuf function in net/sctp/socket.c in the Linux kernel before 4.9.11 could allow local users to cause a denial of service (assertion failure and panic) via a multithreaded application that peeled off an association in a certain buffer-full state.\n\n - Andrey Konovalov discovered that signed integer overflows existed in the setsockopt() system call when handling the SO_SNDBUFFORCE and SO_RCVBUFFORCE options.\n A local attacker with the CAP_NET_ADMIN capability could use this to cause a denial of service (system crash or memory corruption).\n\n - A vulnerability was discovered in the handling of pid namespaces in the kernel. A privileged user inside a container could trigger a kernel crash (NULL pointer dereference in proc_flush_task()) using a sequence of system calls including wait4().\n\nNote that Tenable Network Security has extracted the preceding description block directly from the Virtuozzo security advisory.\nTenable has attempted to automatically clean and format it as much as possible without introducing additional issues.", "published": "2017-04-24T00:00:00", "modified": "2021-01-04T00:00:00", "epss": [], "cvss": {"score": 0.0, "vector": "NONE"}, "cvss2": {}, "cvss3": {}, "href": "https://www.tenable.com/plugins/nessus/99599", "reporter": "This script is Copyright (C) 2017-2021 and is owned by Tenable, Inc. or an Affiliate thereof.", "references": ["http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-7472", "http://www.nessus.org/u?eaf94943", "http://www.nessus.org/u?c1472b55", "http://www.nessus.org/u?93e4e6f8", "http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-6353", 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Users with non-namespace CAP_NET_ADMIN are able to trigger this call and create a situation in which the sockets sendbuff data size could be negative. This could adversely affect memory allocations and create situations where the system could crash or cause memory corruption.\n", "cvss3": {"exploitabilityScore": 1.8, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "baseScore": 7.8, "privilegesRequired": "LOW", "vectorString": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "userInteraction": "NONE", "version": "3.0"}, "impactScore": 5.9}, "published": "2019-10-25T18:43:44", "type": "redhatcve", "title": "CVE-2016-9793", "bulletinFamily": "info", "cvss2": {"severity": "HIGH", "exploitabilityScore": 3.9, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "COMPLETE", "availabilityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "baseScore": 7.2, "vectorString": "AV:L/AC:L/Au:N/C:C/I:C/A:C", "version": "2.0", "accessVector": "LOCAL", "authentication": "NONE"}, "impactScore": 10.0, "obtainUserPrivilege": false}, "cvelist": ["CVE-2016-9793"], "modified": "2020-08-20T20:00:23", "id": "RH:CVE-2016-9793", "href": "https://access.redhat.com/security/cve/CVE-2016-9793", "cvss": {"score": 7.2, "vector": "AV:L/AC:L/Au:N/C:C/I:C/A:C"}}, {"lastseen": "2021-09-02T22:51:15", "description": "It was reported that with Linux kernel, earlier than version v4.10-rc8, an application may trigger a BUG_ON in sctp_wait_for_sndbuf if the socket tx buffer is full, a thread is waiting on it to queue more data, and meanwhile another thread peels off the association being used by the first thread.\n", "cvss3": {"exploitabilityScore": 1.8, "cvssV3": {"baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "integrityImpact": "NONE", "baseScore": 5.5, "privilegesRequired": "NONE", "vectorString": "CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H", "userInteraction": "REQUIRED", "version": "3.0"}, "impactScore": 3.6}, "published": "2017-02-14T14:48:29", "type": "redhatcve", "title": "CVE-2017-5986", "bulletinFamily": "info", "cvss2": {"severity": "HIGH", "exploitabilityScore": 8.6, "obtainAllPrivilege": false, "userInteractionRequired": true, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "MEDIUM", "confidentialityImpact": "NONE", "availabilityImpact": "COMPLETE", "integrityImpact": "NONE", "baseScore": 7.1, "vectorString": "AV:N/AC:M/Au:N/C:N/I:N/A:C", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 6.9, "obtainUserPrivilege": false}, "cvelist": ["CVE-2017-5986"], "modified": "2020-08-18T09:14:57", "id": "RH:CVE-2017-5986", "href": "https://access.redhat.com/security/cve/cve-2017-5986", "cvss": {"score": 7.1, "vector": "AV:N/AC:M/Au:N/C:N/I:N/A:C"}}], "debiancve": [{"lastseen": "2023-06-05T18:14:31", "description": "net/sctp/socket.c in the Linux kernel through 4.10.1 does not properly restrict association peel-off operations during certain wait states, which allows local users to cause a denial of service (invalid unlock and double free) via a multithreaded application. NOTE: this vulnerability exists because of an incorrect fix for CVE-2017-5986.", "cvss3": {"exploitabilityScore": 1.8, "cvssV3": {"baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "LOW", "baseScore": 5.5, "vectorString": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.0", "userInteraction": "NONE"}, "impactScore": 3.6}, "published": "2017-03-01T20:59:00", "type": "debiancve", "title": "CVE-2017-6353", "bulletinFamily": "info", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 3.9, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "NONE", "availabilityImpact": "COMPLETE", "integrityImpact": "NONE", "baseScore": 4.9, "vectorString": "AV:L/AC:L/Au:N/C:N/I:N/A:C", "version": "2.0", "accessVector": "LOCAL", "authentication": "NONE"}, "impactScore": 6.9, "acInsufInfo": true, "obtainUserPrivilege": false}, "cvelist": ["CVE-2017-5986", "CVE-2017-6353"], "modified": "2017-03-01T20:59:00", "id": "DEBIANCVE:CVE-2017-6353", "href": "https://security-tracker.debian.org/tracker/CVE-2017-6353", "cvss": {"score": 4.9, "vector": "AV:L/AC:L/Au:N/C:N/I:N/A:C"}}, {"lastseen": "2023-06-05T18:14:31", "description": "The KEYS subsystem in the Linux kernel before 4.10.13 allows local users to cause a denial of service (memory consumption) via a series of KEY_REQKEY_DEFL_THREAD_KEYRING keyctl_set_reqkey_keyring calls.", "cvss3": {"exploitabilityScore": 1.8, "cvssV3": {"baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "LOW", "baseScore": 5.5, "vectorString": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.0", "userInteraction": "NONE"}, "impactScore": 3.6}, "published": "2017-05-11T19:29:00", "type": "debiancve", "title": "CVE-2017-7472", "bulletinFamily": "info", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 3.9, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "NONE", "availabilityImpact": "COMPLETE", "integrityImpact": "NONE", "baseScore": 4.9, "vectorString": "AV:L/AC:L/Au:N/C:N/I:N/A:C", "version": "2.0", "accessVector": "LOCAL", "authentication": "NONE"}, "impactScore": 6.9, "obtainUserPrivilege": false}, "cvelist": ["CVE-2017-7472"], "modified": "2017-05-11T19:29:00", "id": "DEBIANCVE:CVE-2017-7472", "href": "https://security-tracker.debian.org/tracker/CVE-2017-7472", "cvss": {"score": 4.9, "vector": "AV:L/AC:L/Au:N/C:N/I:N/A:C"}}, {"lastseen": "2023-06-03T14:41:17", "description": "The sock_setsockopt function in net/core/sock.c in the Linux kernel before 4.8.14 mishandles negative values of sk_sndbuf and sk_rcvbuf, which allows local users to cause a denial of service (memory corruption and system crash) or possibly have unspecified other impact by leveraging the CAP_NET_ADMIN capability for a crafted setsockopt system call with the (1) SO_SNDBUFFORCE or (2) SO_RCVBUFFORCE option.", "cvss3": {"exploitabilityScore": 1.8, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "baseScore": 7.8, "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 5.9}, "published": "2016-12-28T07:59:00", "type": "debiancve", "title": "CVE-2016-9793", "bulletinFamily": "info", "cvss2": {"severity": "HIGH", "exploitabilityScore": 3.9, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "COMPLETE", "availabilityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "baseScore": 7.2, "vectorString": "AV:L/AC:L/Au:N/C:C/I:C/A:C", "version": "2.0", "accessVector": "LOCAL", "authentication": "NONE"}, "impactScore": 10.0, "obtainUserPrivilege": false}, "cvelist": ["CVE-2016-9793"], "modified": "2016-12-28T07:59:00", "id": "DEBIANCVE:CVE-2016-9793", "href": "https://security-tracker.debian.org/tracker/CVE-2016-9793", "cvss": {"score": 7.2, "vector": "AV:L/AC:L/Au:N/C:C/I:C/A:C"}}, {"lastseen": "2023-06-05T18:14:31", "description": "Race condition in the sctp_wait_for_sndbuf function in net/sctp/socket.c in the Linux kernel before 4.9.11 allows local users to cause a denial of service (assertion failure and panic) via a multithreaded application that peels off an association in a certain buffer-full state.", "cvss3": {"exploitabilityScore": 1.8, "cvssV3": {"baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "baseScore": 5.5, "vectorString": "CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H", "version": "3.0", "userInteraction": "REQUIRED"}, "impactScore": 3.6}, "published": "2017-02-18T21:59:00", "type": "debiancve", "title": "CVE-2017-5986", "bulletinFamily": "info", "cvss2": {"severity": "HIGH", "exploitabilityScore": 8.6, "obtainAllPrivilege": false, "userInteractionRequired": true, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "MEDIUM", "confidentialityImpact": "NONE", "availabilityImpact": "COMPLETE", "integrityImpact": "NONE", "baseScore": 7.1, "vectorString": "AV:N/AC:M/Au:N/C:N/I:N/A:C", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 6.9, "obtainUserPrivilege": false}, "cvelist": ["CVE-2017-5986"], "modified": "2017-02-18T21:59:00", "id": "DEBIANCVE:CVE-2017-5986", "href": "https://security-tracker.debian.org/tracker/CVE-2017-5986", "cvss": {"score": 7.1, "vector": "AV:N/AC:M/Au:N/C:N/I:N/A:C"}}], "cve": [{"lastseen": "2023-06-05T15:24:26", "description": "net/sctp/socket.c in the Linux kernel through 4.10.1 does not properly restrict association peel-off operations during certain wait states, which allows local users to cause a denial of service (invalid unlock and double free) via a multithreaded application. NOTE: this vulnerability exists because of an incorrect fix for CVE-2017-5986.", "cvss3": {"exploitabilityScore": 1.8, "cvssV3": {"baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "LOW", "baseScore": 5.5, "vectorString": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.0", "userInteraction": "NONE"}, "impactScore": 3.6}, "published": "2017-03-01T20:59:00", "type": "cve", "title": "CVE-2017-6353", "cwe": ["CWE-415"], "bulletinFamily": "NVD", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 3.9, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "NONE", "availabilityImpact": "COMPLETE", "integrityImpact": "NONE", "baseScore": 4.9, "vectorString": "AV:L/AC:L/Au:N/C:N/I:N/A:C", "version": "2.0", "accessVector": "LOCAL", "authentication": "NONE"}, "impactScore": 6.9, "acInsufInfo": true, "obtainUserPrivilege": false}, "cvelist": ["CVE-2017-5986", "CVE-2017-6353"], "modified": "2017-11-04T01:29:00", "cpe": ["cpe:/o:linux:linux_kernel:4.10"], "id": "CVE-2017-6353", "href": "https://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2017-6353", "cvss": {"score": 4.9, "vector": "AV:L/AC:L/Au:N/C:N/I:N/A:C"}, "cpe23": ["cpe:2.3:o:linux:linux_kernel:4.10:*:*:*:*:*:*:*"]}, {"lastseen": "2023-06-05T15:27:22", "description": "The KEYS subsystem in the Linux kernel before 4.10.13 allows local users to cause a denial of service (memory consumption) via a series of KEY_REQKEY_DEFL_THREAD_KEYRING keyctl_set_reqkey_keyring calls.", "cvss3": {"exploitabilityScore": 1.8, "cvssV3": {"baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "LOW", "baseScore": 5.5, "vectorString": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.0", "userInteraction": "NONE"}, "impactScore": 3.6}, "published": "2017-05-11T19:29:00", "type": "cve", "title": "CVE-2017-7472", "cwe": ["CWE-404"], "bulletinFamily": "NVD", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 3.9, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "NONE", "availabilityImpact": "COMPLETE", "integrityImpact": "NONE", "baseScore": 4.9, "vectorString": "AV:L/AC:L/Au:N/C:N/I:N/A:C", "version": "2.0", "accessVector": "LOCAL", "authentication": "NONE"}, "impactScore": 6.9, "obtainUserPrivilege": false}, "cvelist": ["CVE-2017-7472"], "modified": "2023-02-12T23:30:00", "cpe": ["cpe:/o:linux:linux_kernel:4.10.12"], "id": "CVE-2017-7472", "href": "https://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2017-7472", "cvss": {"score": 4.9, "vector": "AV:L/AC:L/Au:N/C:N/I:N/A:C"}, "cpe23": ["cpe:2.3:o:linux:linux_kernel:4.10.12:*:*:*:*:*:*:*"]}, {"lastseen": "2023-06-03T14:47:33", "description": "The sock_setsockopt function in net/core/sock.c in the Linux kernel before 4.8.14 mishandles negative values of sk_sndbuf and sk_rcvbuf, which allows local users to cause a denial of service (memory corruption and system crash) or possibly have unspecified other impact by leveraging the CAP_NET_ADMIN capability for a crafted setsockopt system call with the (1) SO_SNDBUFFORCE or (2) SO_RCVBUFFORCE option.", "cvss3": {"exploitabilityScore": 1.8, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "baseScore": 7.8, "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 5.9}, "published": "2016-12-28T07:59:00", "type": "cve", "title": "CVE-2016-9793", "cwe": ["CWE-119"], "bulletinFamily": "NVD", "cvss2": {"severity": "HIGH", "exploitabilityScore": 3.9, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "COMPLETE", "availabilityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "baseScore": 7.2, "vectorString": "AV:L/AC:L/Au:N/C:C/I:C/A:C", "version": "2.0", "accessVector": "LOCAL", "authentication": "NONE"}, "impactScore": 10.0, "obtainUserPrivilege": false}, "cvelist": ["CVE-2016-9793"], "modified": "2023-01-17T21:05:00", "cpe": [], "id": "CVE-2016-9793", "href": "https://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2016-9793", "cvss": {"score": 7.2, "vector": "AV:L/AC:L/Au:N/C:C/I:C/A:C"}, "cpe23": []}, {"lastseen": "2023-06-05T15:23:33", "description": "Race condition in the sctp_wait_for_sndbuf function in net/sctp/socket.c in the Linux kernel before 4.9.11 allows local users to cause a denial of service (assertion failure and panic) via a multithreaded application that peels off an association in a certain buffer-full state.", "cvss3": {"exploitabilityScore": 1.8, "cvssV3": {"baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "baseScore": 5.5, "vectorString": "CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H", "version": "3.0", "userInteraction": "REQUIRED"}, "impactScore": 3.6}, "published": "2017-02-18T21:59:00", "type": "cve", "title": "CVE-2017-5986", "cwe": ["CWE-617", "CWE-362"], "bulletinFamily": "NVD", "cvss2": {"severity": "HIGH", "exploitabilityScore": 8.6, "obtainAllPrivilege": false, "userInteractionRequired": true, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "MEDIUM", "confidentialityImpact": "NONE", "availabilityImpact": "COMPLETE", "integrityImpact": "NONE", "baseScore": 7.1, "vectorString": "AV:N/AC:M/Au:N/C:N/I:N/A:C", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 6.9, "obtainUserPrivilege": false}, "cvelist": ["CVE-2017-5986"], "modified": "2019-10-03T00:03:00", "cpe": ["cpe:/o:linux:linux_kernel:4.9.11"], "id": "CVE-2017-5986", "href": "https://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2017-5986", "cvss": {"score": 7.1, "vector": "AV:N/AC:M/Au:N/C:N/I:N/A:C"}, "cpe23": ["cpe:2.3:o:linux:linux_kernel:4.9.11:*:*:*:*:*:*:*"]}], "ubuntucve": [{"lastseen": "2023-06-06T14:16:28", "description": "net/sctp/socket.c in the Linux kernel through 4.10.1 does not properly\nrestrict association peel-off operations during certain wait states, which\nallows local users to cause a denial of service (invalid unlock and double\nfree) via a multithreaded application. NOTE: this vulnerability exists\nbecause of an incorrect fix for CVE-2017-5986.\n\n#### Bugs\n\n * <https://launchpad.net/bugs/1677579>\n\n\n#### Notes\n\nAuthor| Note \n---|--- \n[tyhicks](<https://launchpad.net/~tyhicks>) | See marc.info link for a fix that is in the process of landing in Linus' tree. \n[sbeattie](<https://launchpad.net/~sbeattie>) | both CVE-2017-5986 and CVE-2017-6353 will be addressed at the same time.\n", "cvss3": {"exploitabilityScore": 1.8, "cvssV3": {"baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "LOW", "baseScore": 5.5, "vectorString": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.0", "userInteraction": "NONE"}, "impactScore": 3.6}, "published": "2017-03-01T00:00:00", "type": "ubuntucve", "title": "CVE-2017-6353", "bulletinFamily": "info", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 3.9, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "NONE", "availabilityImpact": "COMPLETE", "integrityImpact": "NONE", "baseScore": 4.9, "vectorString": "AV:L/AC:L/Au:N/C:N/I:N/A:C", "version": "2.0", "accessVector": "LOCAL", "authentication": "NONE"}, "impactScore": 6.9, "acInsufInfo": true, "obtainUserPrivilege": false}, "cvelist": ["CVE-2017-5986", "CVE-2017-6353"], "modified": "2017-03-01T00:00:00", "id": "UB:CVE-2017-6353", "href": "https://ubuntu.com/security/CVE-2017-6353", "cvss": {"score": 4.9, "vector": "AV:L/AC:L/Au:N/C:N/I:N/A:C"}}, {"lastseen": "2023-06-06T14:16:51", "description": "Race condition in the sctp_wait_for_sndbuf function in net/sctp/socket.c in\nthe Linux kernel before 4.9.11 allows local users to cause a denial of\nservice (assertion failure and panic) via a multithreaded application that\npeels off an association in a certain buffer-full state.\n\n#### Notes\n\nAuthor| Note \n---|--- \n[jdstrand](<https://launchpad.net/~jdstrand>) | android kernels (flo, goldfish, grouper, maguro, mako and manta) are not supported on the Ubuntu Touch 14.10 and earlier preview kernels linux-lts-saucy no longer receives official support linux-lts-quantal no longer receives official support \n[sbeattie](<https://launchpad.net/~sbeattie>) | introduces CVE-2017-6353, which is fixed by dfcb9f4f99f1e9a49e43398a7bfbf56927544af1\n", "cvss3": {"exploitabilityScore": 1.8, "cvssV3": {"baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "baseScore": 5.5, "vectorString": "CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H", "version": "3.0", "userInteraction": "REQUIRED"}, "impactScore": 3.6}, "published": "2017-02-18T00:00:00", "type": "ubuntucve", "title": "CVE-2017-5986", "bulletinFamily": "info", "cvss2": {"severity": "HIGH", "exploitabilityScore": 8.6, "obtainAllPrivilege": false, "userInteractionRequired": true, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "MEDIUM", "confidentialityImpact": "NONE", "availabilityImpact": "COMPLETE", "integrityImpact": "NONE", "baseScore": 7.1, "vectorString": "AV:N/AC:M/Au:N/C:N/I:N/A:C", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 6.9, "obtainUserPrivilege": false}, "cvelist": ["CVE-2017-5986", "CVE-2017-6353"], "modified": "2017-02-18T00:00:00", "id": "UB:CVE-2017-5986", "href": "https://ubuntu.com/security/CVE-2017-5986", "cvss": {"score": 7.1, "vector": "AV:N/AC:M/Au:N/C:N/I:N/A:C"}}, {"lastseen": "2023-06-06T14:12:11", "description": "The KEYS subsystem in the Linux kernel before 4.10.13 allows local users to\ncause a denial of service (memory consumption) via a series of\nKEY_REQKEY_DEFL_THREAD_KEYRING keyctl_set_reqkey_keyring calls.\n\n#### Notes\n\nAuthor| Note \n---|--- \n[jdstrand](<https://launchpad.net/~jdstrand>) | android kernels (flo, goldfish, grouper, maguro, mako and manta) are not supported on the Ubuntu Touch 14.10 and earlier preview kernels linux-lts-saucy no longer receives official support linux-lts-quantal no longer receives official support\n", "cvss3": {"exploitabilityScore": 1.8, "cvssV3": {"baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "LOW", "baseScore": 5.5, "vectorString": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.0", "userInteraction": "NONE"}, "impactScore": 3.6}, "published": "2017-05-11T00:00:00", "type": "ubuntucve", "title": "CVE-2017-7472", "bulletinFamily": "info", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 3.9, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "NONE", "availabilityImpact": "COMPLETE", "integrityImpact": "NONE", "baseScore": 4.9, "vectorString": "AV:L/AC:L/Au:N/C:N/I:N/A:C", "version": "2.0", "accessVector": "LOCAL", "authentication": "NONE"}, "impactScore": 6.9, "obtainUserPrivilege": false}, "cvelist": ["CVE-2017-7472"], "modified": "2017-05-11T00:00:00", "id": "UB:CVE-2017-7472", "href": "https://ubuntu.com/security/CVE-2017-7472", "cvss": {"score": 4.9, "vector": "AV:L/AC:L/Au:N/C:N/I:N/A:C"}}, {"lastseen": "2023-06-04T14:13:12", "description": "The sock_setsockopt function in net/core/sock.c in the Linux kernel before\n4.8.14 mishandles negative values of sk_sndbuf and sk_rcvbuf, which allows\nlocal users to cause a denial of service (memory corruption and system\ncrash) or possibly have unspecified other impact by leveraging the\nCAP_NET_ADMIN capability for a crafted setsockopt system call with the (1)\nSO_SNDBUFFORCE or (2) SO_RCVBUFFORCE option.\n\n#### Notes\n\nAuthor| Note \n---|--- \n[sbeattie](<https://launchpad.net/~sbeattie>) | the overflows exist for SO_{SND|RCV}BUFFORCE, so it's possible for a process with CAP_NET_ADMIN to do this. However, the check for CAP_NET_ADMIN is via capable() *not* ns_capable(), so the process attempting this has to have CAP_NET_ADMIN in the init_ns; having it in a new user namespace (i.e. via unshare()) is not sufficient. Thus, this cannot be exploited by an unprivileged user dropping into an unprivileged user namespace. Hence the low priority.\n", "cvss3": {"exploitabilityScore": 1.8, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "baseScore": 7.8, "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 5.9}, "published": "2016-12-28T00:00:00", "type": "ubuntucve", "title": "CVE-2016-9793", "bulletinFamily": "info", "cvss2": {"severity": "HIGH", "exploitabilityScore": 3.9, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "COMPLETE", "availabilityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "baseScore": 7.2, "vectorString": "AV:L/AC:L/Au:N/C:C/I:C/A:C", "version": "2.0", "accessVector": "LOCAL", "authentication": "NONE"}, "impactScore": 10.0, 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"cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "PARTIAL", "availabilityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "baseScore": 7.5, "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "acInsufInfo": true, "impactScore": 6.4, "obtainUserPrivilege": false}, "cvelist": ["CVE-2017-5897", "CVE-2017-5986"], "modified": "2017-02-14T15:52:06", "id": "FEDORA:2CC39660F53B", "href": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/thread/BV75L7M7X3BY5VD66D2ZRLKLAEPB5V3F/", "cvss": {"score": 7.5, "vector": "AV:N/AC:L/Au:N/C:P/I:P/A:P"}}, {"lastseen": "2020-12-21T08:17:53", "description": "The kernel meta package ", "cvss3": {"exploitabilityScore": 1.8, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "baseScore": 7.8, 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isdpkgvuln(pkg:\"linux-headers-3.2.0-4-rt-686-pae\", ver:\"3.2.86-1\", rls:\"DEB7\"))) {\n report += res;\n}\nif(!isnull(res = isdpkgvuln(pkg:\"linux-headers-3.2.0-4-rt-amd64\", ver:\"3.2.86-1\", rls:\"DEB7\"))) {\n report += res;\n}\nif(!isnull(res = isdpkgvuln(pkg:\"linux-headers-3.2.0-4-versatile\", ver:\"3.2.86-1\", rls:\"DEB7\"))) {\n report += res;\n}\nif(!isnull(res = isdpkgvuln(pkg:\"linux-headers-3.2.0-4-vexpress\", ver:\"3.2.86-1\", rls:\"DEB7\"))) {\n report += res;\n}\nif(!isnull(res = isdpkgvuln(pkg:\"linux-headers-3.2.0-5-486\", ver:\"3.2.86-1\", rls:\"DEB7\"))) {\n report += res;\n}\nif(!isnull(res = isdpkgvuln(pkg:\"linux-headers-3.2.0-5-686-pae\", ver:\"3.2.86-1\", rls:\"DEB7\"))) {\n report += res;\n}\nif(!isnull(res = isdpkgvuln(pkg:\"linux-headers-3.2.0-5-all\", ver:\"3.2.86-1\", rls:\"DEB7\"))) {\n report += res;\n}\nif(!isnull(res = isdpkgvuln(pkg:\"linux-headers-3.2.0-5-all-amd64\", ver:\"3.2.86-1\", rls:\"DEB7\"))) {\n report += res;\n}\nif(!isnull(res = isdpkgvuln(pkg:\"linux-headers-3.2.0-5-all-armel\", ver:\"3.2.86-1\", rls:\"DEB7\"))) {\n report += res;\n}\nif(!isnull(res = isdpkgvuln(pkg:\"linux-headers-3.2.0-5-all-armhf\", ver:\"3.2.86-1\", rls:\"DEB7\"))) {\n report += res;\n}\nif(!isnull(res = isdpkgvuln(pkg:\"linux-headers-3.2.0-5-all-i386\", ver:\"3.2.86-1\", rls:\"DEB7\"))) {\n report += res;\n}\nif(!isnull(res = isdpkgvuln(pkg:\"linux-headers-3.2.0-5-amd64\", ver:\"3.2.86-1\", rls:\"DEB7\"))) {\n report += res;\n}\nif(!isnull(res = isdpkgvuln(pkg:\"linux-headers-3.2.0-5-common\", ver:\"3.2.86-1\", rls:\"DEB7\"))) {\n report += res;\n}\nif(!isnull(res = isdpkgvuln(pkg:\"linux-headers-3.2.0-5-common-rt\", ver:\"3.2.86-1\", rls:\"DEB7\"))) {\n report += res;\n}\nif(!isnull(res = isdpkgvuln(pkg:\"linux-headers-3.2.0-5-iop32x\", ver:\"3.2.86-1\", rls:\"DEB7\"))) {\n report += res;\n}\nif(!isnull(res = isdpkgvuln(pkg:\"linux-headers-3.2.0-5-ixp4xx\", ver:\"3.2.86-1\", rls:\"DEB7\"))) {\n report += res;\n}\nif(!isnull(res = isdpkgvuln(pkg:\"linux-headers-3.2.0-5-kirkwood\", ver:\"3.2.86-1\", rls:\"DEB7\"))) {\n report += res;\n}\nif(!isnull(res = isdpkgvuln(pkg:\"linux-headers-3.2.0-5-mv78xx0\", ver:\"3.2.86-1\", rls:\"DEB7\"))) {\n report += res;\n}\nif(!isnull(res = isdpkgvuln(pkg:\"linux-headers-3.2.0-5-mx5\", ver:\"3.2.86-1\", rls:\"DEB7\"))) {\n report += res;\n}\nif(!isnull(res = isdpkgvuln(pkg:\"linux-headers-3.2.0-5-omap\", ver:\"3.2.86-1\", rls:\"DEB7\"))) {\n report += res;\n}\nif(!isnull(res = isdpkgvuln(pkg:\"linux-headers-3.2.0-5-orion5x\", ver:\"3.2.86-1\", rls:\"DEB7\"))) {\n report += res;\n}\nif(!isnull(res = isdpkgvuln(pkg:\"linux-headers-3.2.0-5-rt-686-pae\", ver:\"3.2.86-1\", rls:\"DEB7\"))) {\n report += res;\n}\nif(!isnull(res = isdpkgvuln(pkg:\"linux-headers-3.2.0-5-rt-amd64\", ver:\"3.2.86-1\", rls:\"DEB7\"))) {\n report += res;\n}\nif(!isnull(res = isdpkgvuln(pkg:\"linux-headers-3.2.0-5-versatile\", ver:\"3.2.86-1\", rls:\"DEB7\"))) {\n report += res;\n}\nif(!isnull(res = isdpkgvuln(pkg:\"linux-headers-3.2.0-5-vexpress\", ver:\"3.2.86-1\", rls:\"DEB7\"))) {\n report += res;\n}\nif(!isnull(res = isdpkgvuln(pkg:\"linux-image-3.2.0-4-486\", ver:\"3.2.86-1\", rls:\"DEB7\"))) {\n report += res;\n}\nif(!isnull(res = isdpkgvuln(pkg:\"linux-image-3.2.0-4-686-pae\", ver:\"3.2.86-1\", rls:\"DEB7\"))) {\n report += res;\n}\nif(!isnull(res = isdpkgvuln(pkg:\"linux-image-3.2.0-4-686-pae-dbg\", ver:\"3.2.86-1\", rls:\"DEB7\"))) {\n report += res;\n}\nif(!isnull(res = isdpkgvuln(pkg:\"linux-image-3.2.0-4-amd64\", ver:\"3.2.86-1\", rls:\"DEB7\"))) {\n report += res;\n}\nif(!isnull(res = isdpkgvuln(pkg:\"linux-image-3.2.0-4-amd64-dbg\", ver:\"3.2.86-1\", rls:\"DEB7\"))) {\n report += res;\n}\nif(!isnull(res = isdpkgvuln(pkg:\"linux-image-3.2.0-4-iop32x\", ver:\"3.2.86-1\", rls:\"DEB7\"))) {\n report += res;\n}\nif(!isnull(res = isdpkgvuln(pkg:\"linux-image-3.2.0-4-ixp4xx\", ver:\"3.2.86-1\", rls:\"DEB7\"))) {\n report += res;\n}\nif(!isnull(res = isdpkgvuln(pkg:\"linux-image-3.2.0-4-kirkwood\", ver:\"3.2.86-1\", rls:\"DEB7\"))) {\n report += res;\n}\nif(!isnull(res = isdpkgvuln(pkg:\"linux-image-3.2.0-4-mv78xx0\", ver:\"3.2.86-1\", rls:\"DEB7\"))) {\n report += res;\n}\nif(!isnull(res = isdpkgvuln(pkg:\"linux-image-3.2.0-4-mx5\", ver:\"3.2.86-1\", rls:\"DEB7\"))) {\n report += res;\n}\nif(!isnull(res = isdpkgvuln(pkg:\"linux-image-3.2.0-4-omap\", ver:\"3.2.86-1\", rls:\"DEB7\"))) {\n report += res;\n}\nif(!isnull(res = isdpkgvuln(pkg:\"linux-image-3.2.0-4-orion5x\", ver:\"3.2.86-1\", rls:\"DEB7\"))) {\n report += res;\n}\nif(!isnull(res = isdpkgvuln(pkg:\"linux-image-3.2.0-4-rt-686-pae\", ver:\"3.2.86-1\", rls:\"DEB7\"))) {\n report += res;\n}\nif(!isnull(res = isdpkgvuln(pkg:\"linux-image-3.2.0-4-rt-686-pae-dbg\", ver:\"3.2.86-1\", rls:\"DEB7\"))) {\n report += res;\n}\nif(!isnull(res = isdpkgvuln(pkg:\"linux-image-3.2.0-4-rt-amd64\", ver:\"3.2.86-1\", rls:\"DEB7\"))) {\n report += res;\n}\nif(!isnull(res = isdpkgvuln(pkg:\"linux-image-3.2.0-4-rt-amd64-dbg\", ver:\"3.2.86-1\", rls:\"DEB7\"))) {\n report += res;\n}\nif(!isnull(res = isdpkgvuln(pkg:\"linux-image-3.2.0-4-versatile\", ver:\"3.2.86-1\", rls:\"DEB7\"))) {\n report += res;\n}\nif(!isnull(res = isdpkgvuln(pkg:\"linux-image-3.2.0-4-vexpress\", ver:\"3.2.86-1\", rls:\"DEB7\"))) {\n report += res;\n}\nif(!isnull(res = isdpkgvuln(pkg:\"linux-image-3.2.0-5-486\", ver:\"3.2.86-1\", rls:\"DEB7\"))) {\n report += res;\n}\nif(!isnull(res = isdpkgvuln(pkg:\"linux-image-3.2.0-5-686-pae\", ver:\"3.2.86-1\", rls:\"DEB7\"))) {\n report += res;\n}\nif(!isnull(res = isdpkgvuln(pkg:\"linux-image-3.2.0-5-686-pae-dbg\", ver:\"3.2.86-1\", rls:\"DEB7\"))) {\n report += res;\n}\nif(!isnull(res = isdpkgvuln(pkg:\"linux-image-3.2.0-5-amd64\", ver:\"3.2.86-1\", rls:\"DEB7\"))) {\n report += res;\n}\nif(!isnull(res = isdpkgvuln(pkg:\"linux-image-3.2.0-5-amd64-dbg\", ver:\"3.2.86-1\", rls:\"DEB7\"))) {\n report += res;\n}\nif(!isnull(res = isdpkgvuln(pkg:\"linux-image-3.2.0-5-iop32x\", ver:\"3.2.86-1\", rls:\"DEB7\"))) {\n report += res;\n}\nif(!isnull(res = isdpkgvuln(pkg:\"linux-image-3.2.0-5-ixp4xx\", ver:\"3.2.86-1\", rls:\"DEB7\"))) {\n report += res;\n}\nif(!isnull(res = isdpkgvuln(pkg:\"linux-image-3.2.0-5-kirkwood\", ver:\"3.2.86-1\", rls:\"DEB7\"))) {\n report += res;\n}\nif(!isnull(res = isdpkgvuln(pkg:\"linux-image-3.2.0-5-mv78xx0\", ver:\"3.2.86-1\", rls:\"DEB7\"))) {\n report += res;\n}\nif(!isnull(res = isdpkgvuln(pkg:\"linux-image-3.2.0-5-mx5\", ver:\"3.2.86-1\", rls:\"DEB7\"))) {\n report += res;\n}\nif(!isnull(res = isdpkgvuln(pkg:\"linux-image-3.2.0-5-omap\", ver:\"3.2.86-1\", rls:\"DEB7\"))) {\n report += res;\n}\nif(!isnull(res = isdpkgvuln(pkg:\"linux-image-3.2.0-5-orion5x\", ver:\"3.2.86-1\", rls:\"DEB7\"))) {\n report += res;\n}\nif(!isnull(res = isdpkgvuln(pkg:\"linux-image-3.2.0-5-rt-686-pae\", ver:\"3.2.86-1\", rls:\"DEB7\"))) {\n report += res;\n}\nif(!isnull(res = isdpkgvuln(pkg:\"linux-image-3.2.0-5-rt-686-pae-dbg\", ver:\"3.2.86-1\", rls:\"DEB7\"))) {\n report += res;\n}\nif(!isnull(res = isdpkgvuln(pkg:\"linux-image-3.2.0-5-rt-amd64\", ver:\"3.2.86-1\", rls:\"DEB7\"))) {\n report += res;\n}\nif(!isnull(res = isdpkgvuln(pkg:\"linux-image-3.2.0-5-rt-amd64-dbg\", ver:\"3.2.86-1\", rls:\"DEB7\"))) {\n report += res;\n}\nif(!isnull(res = isdpkgvuln(pkg:\"linux-image-3.2.0-5-versatile\", ver:\"3.2.86-1\", rls:\"DEB7\"))) {\n report += res;\n}\nif(!isnull(res = isdpkgvuln(pkg:\"linux-image-3.2.0-5-vexpress\", ver:\"3.2.86-1\", rls:\"DEB7\"))) {\n report += res;\n}\nif(!isnull(res = isdpkgvuln(pkg:\"linux-libc-dev\", ver:\"3.2.86-1\", rls:\"DEB7\"))) {\n report += res;\n}\nif(!isnull(res = isdpkgvuln(pkg:\"linux-manual-3.2\", ver:\"3.2.86-1\", rls:\"DEB7\"))) {\n report += res;\n}\nif(!isnull(res = isdpkgvuln(pkg:\"linux-source-3.2\", ver:\"3.2.86-1\", rls:\"DEB7\"))) {\n report += res;\n}\nif(!isnull(res = isdpkgvuln(pkg:\"linux-support-3.2.0-4\", 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escalation, denial of service or have other\nimpacts.\n\nCVE-2016-9588\nJim Mattson discovered that the KVM implementation for Intel x86\nprocessors does not properly handle #BP and #OF exceptions in an\nL2 (nested) virtual machine. A local attacker in an L2 guest VM\ncan take advantage of this flaw to cause a denial of service for\nthe L1 guest VM.\n\nCVE-2017-2636Alexander Popov discovered a race condition flaw in the n_hdlc\nline discipline that can lead to a double free. A local\nunprivileged user can take advantage of this flaw for privilege\nescalation. On systems that do not already have the n_hdlc module\nloaded, this can be mitigated by disabling it:\necho>> /etc/modprobe.d/disable-n_hdlc.conf install n_hdlc falseCVE-2017-5669\nGareth Evans reported that privileged users can map memory at\naddress 0 through the shmat() system call. This could make it\neasier to exploit other kernel security vulnerabilities via a\nset-UID program.\n\nCVE-2017-5986Alexander Popov reported a race condition in the SCTP\nimplementation that can be used by local users to cause a\ndenial-of-service (crash). The initial fix for this was incorrect\nand introduced further security issues ( CVE-2017-6353). This update includes a later fix that\navoids those. On systems that do not already have the sctp\nmodule loaded, this can be mitigated by disabling it:\necho>> /etc/modprobe.d/disable-sctp.conf install sctp falseCVE-2017-6214\nDmitry Vyukov reported a bug in the TCP implementation", "cvss3": {}, "published": "2017-03-08T00:00:00", "type": "openvas", "title": "Debian Security Advisory DSA 3804-1 (linux - security update)", "bulletinFamily": "scanner", "cvss2": {}, "cvelist": ["CVE-2017-2636", "CVE-2017-6348", "CVE-2017-6214", "CVE-2017-6345", "CVE-2017-5669", "CVE-2017-5986", "CVE-2017-6346", "CVE-2016-9588", "CVE-2017-6353"], "modified": "2019-03-18T00:00:00", "id": "OPENVAS:1361412562310703804", "href": "http://plugins.openvas.org/nasl.php?oid=1361412562310703804", "sourceData": "# OpenVAS Vulnerability Test\n# $Id: deb_3804.nasl 14280 2019-03-18 14:50:45Z cfischer $\n# Auto-generated from advisory DSA 3804-1 using nvtgen 1.0\n# Script version: 1.0\n#\n# Author:\n# Greenbone Networks\n#\n# Copyright:\n# Copyright (c) 2017 Greenbone Networks GmbH http://greenbone.net\n# Text descriptions are largely excerpted from the referenced\n# advisory, and are Copyright (c) the respective author(s)\n#\n# This program is free software; you can redistribute it and/or\n# modify it under the terms of the GNU General Public License\n# as published by the Free Software Foundation; either version 2\n# of the License, or (at your option) any later version.\n#\n# This program is distributed in the hope that it will be useful,\n# but WITHOUT ANY WARRANTY; without even the implied warranty of\n# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\n# GNU General Public License for more details.\n#\n# You should have received a copy of the GNU General Public License\n# along with this program; if not, write to the Free Software\n# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.\n#\n\nif(description)\n{\n script_oid(\"1.3.6.1.4.1.25623.1.0.703804\");\n script_version(\"$Revision: 14280 $\");\n script_cve_id(\"CVE-2016-9588\", \"CVE-2017-2636\", \"CVE-2017-5669\", \"CVE-2017-5986\", \"CVE-2017-6214\", \"CVE-2017-6345\", \"CVE-2017-6346\", \"CVE-2017-6348\", \"CVE-2017-6353\");\n script_name(\"Debian Security Advisory DSA 3804-1 (linux - security update)\");\n script_tag(name:\"last_modification\", value:\"$Date: 2019-03-18 15:50:45 +0100 (Mon, 18 Mar 2019) $\");\n script_tag(name:\"creation_date\", value:\"2017-03-08 00:00:00 +0100 (Wed, 08 Mar 2017)\");\n script_tag(name:\"cvss_base\", value:\"7.2\");\n script_tag(name:\"cvss_base_vector\", value:\"AV:L/AC:L/Au:N/C:C/I:C/A:C\");\n script_tag(name:\"solution_type\", value:\"VendorFix\");\n script_tag(name:\"qod_type\", value:\"package\");\n\n script_xref(name:\"URL\", value:\"http://www.debian.org/security/2017/dsa-3804.html\");\n\n script_category(ACT_GATHER_INFO);\n\n script_copyright(\"Copyright (c) 2017 Greenbone Networks GmbH http://greenbone.net\");\n script_family(\"Debian Local Security Checks\");\n script_dependencies(\"gather-package-list.nasl\");\n script_mandatory_keys(\"ssh/login/debian_linux\", \"ssh/login/packages\", re:\"ssh/login/release=DEB8\");\n script_tag(name:\"affected\", value:\"linux on Debian Linux\");\n script_tag(name:\"solution\", value:\"For the stable distribution (jessie), these problems have been fixed in\nversion 3.16.39-1+deb8u2.\n\nWe recommend that you upgrade your linux packages.\");\n script_tag(name:\"summary\", value:\"Several vulnerabilities have been discovered in the Linux kernel that\nmay lead to a privilege escalation, denial of service or have other\nimpacts.\n\nCVE-2016-9588\nJim Mattson discovered that the KVM implementation for Intel x86\nprocessors does not properly handle #BP and #OF exceptions in an\nL2 (nested) virtual machine. A local attacker in an L2 guest VM\ncan take advantage of this flaw to cause a denial of service for\nthe L1 guest VM.\n\nCVE-2017-2636Alexander Popov discovered a race condition flaw in the n_hdlc\nline discipline that can lead to a double free. A local\nunprivileged user can take advantage of this flaw for privilege\nescalation. On systems that do not already have the n_hdlc module\nloaded, this can be mitigated by disabling it:\necho>> /etc/modprobe.d/disable-n_hdlc.conf install n_hdlc falseCVE-2017-5669\nGareth Evans reported that privileged users can map memory at\naddress 0 through the shmat() system call. This could make it\neasier to exploit other kernel security vulnerabilities via a\nset-UID program.\n\nCVE-2017-5986Alexander Popov reported a race condition in the SCTP\nimplementation that can be used by local users to cause a\ndenial-of-service (crash). The initial fix for this was incorrect\nand introduced further security issues ( CVE-2017-6353). This update includes a later fix that\navoids those. On systems that do not already have the sctp\nmodule loaded, this can be mitigated by disabling it:\necho>> /etc/modprobe.d/disable-sctp.conf install sctp falseCVE-2017-6214\nDmitry Vyukov reported a bug in the TCP implementation's handling\nof urgent data in the splice() system call. This can be used by a\nremote attacker for denial-of-service (hang) against applications\nthat read from TCP sockets with splice().\n\nCVE-2017-6345Andrey Konovalov reported that the LLC type 2 implementation\nincorrectly assigns socket buffer ownership. This can be used\nby a local user to cause a denial-of-service (crash). On systems\nthat do not already have the llc2 module loaded, this can be\nmitigated by disabling it:\necho>> /etc/modprobe.d/disable-llc2.conf install llc2 falseCVE-2017-6346\nDmitry Vyukov reported a race condition in the raw packet (af_packet)\nfanout feature. Local users with the CAP_NET_RAW capability (in any\nuser namespace) can use this for denial-of-service and possibly for\nprivilege escalation.\n\nCVE-2017-6348\nDmitry Vyukov reported that the general queue implementation in\nthe IrDA subsystem does not properly manage multiple locks,\npossibly allowing local users to cause a denial-of-service\n(deadlock) via crafted operations on IrDA devices.\");\n script_tag(name:\"vuldetect\", value:\"This check tests the installed software version using the apt package manager.\");\n\n exit(0);\n}\n\ninclude(\"revisions-lib.inc\");\ninclude(\"pkg-lib-deb.inc\");\n\nres = \"\";\nreport = \"\";\nif((res = isdpkgvuln(pkg:\"linux-compiler-gcc-4.8-arm\", ver:\"3.16.39-1+deb8u2\", rls:\"DEB8\")) != NULL) {\n report += res;\n}\nif((res = isdpkgvuln(pkg:\"linux-compiler-gcc-4.8-s390\", ver:\"3.16.39-1+deb8u2\", rls:\"DEB8\")) != NULL) {\n report += res;\n}\nif((res = isdpkgvuln(pkg:\"linux-compiler-gcc-4.8-x86\", ver:\"3.16.39-1+deb8u2\", rls:\"DEB8\")) != NULL) {\n report += res;\n}\nif((res = isdpkgvuln(pkg:\"linux-doc-3.16\", ver:\"3.16.39-1+deb8u2\", rls:\"DEB8\")) != NULL) {\n report += res;\n}\nif((res = isdpkgvuln(pkg:\"linux-headers-3.16.0-4-4kc-malta\", ver:\"3.16.39-1+deb8u2\", rls:\"DEB8\")) != NULL) {\n report += res;\n}\nif((res = isdpkgvuln(pkg:\"linux-headers-3.16.0-4-586\", ver:\"3.16.39-1+deb8u2\", rls:\"DEB8\")) != NULL) {\n report += res;\n}\nif((res = isdpkgvuln(pkg:\"linux-headers-3.16.0-4-5kc-malta\", ver:\"3.16.39-1+deb8u2\", rls:\"DEB8\")) != NULL) {\n report += res;\n}\nif((res = isdpkgvuln(pkg:\"linux-headers-3.16.0-4-686-pae\", ver:\"3.16.39-1+deb8u2\", rls:\"DEB8\")) != NULL) {\n report += res;\n}\nif((res = isdpkgvuln(pkg:\"linux-headers-3.16.0-4-all\", ver:\"3.16.39-1+deb8u2\", rls:\"DEB8\")) != NULL) {\n report += res;\n}\nif((res = isdpkgvuln(pkg:\"linux-headers-3.16.0-4-all-amd64\", ver:\"3.16.39-1+deb8u2\", rls:\"DEB8\")) != NULL) {\n report += res;\n}\nif((res = isdpkgvuln(pkg:\"linux-headers-3.16.0-4-all-arm64\", ver:\"3.16.39-1+deb8u2\", rls:\"DEB8\")) != NULL) {\n report += res;\n}\nif((res = isdpkgvuln(pkg:\"linux-headers-3.16.0-4-all-armel\", ver:\"3.16.39-1+deb8u2\", rls:\"DEB8\")) != NULL) {\n report += res;\n}\nif((res = isdpkgvuln(pkg:\"linux-headers-3.16.0-4-all-armhf\", ver:\"3.16.39-1+deb8u2\", rls:\"DEB8\")) != NULL) {\n report += res;\n}\nif((res = isdpkgvuln(pkg:\"linux-headers-3.16.0-4-all-i386\", ver:\"3.16.39-1+deb8u2\", rls:\"DEB8\")) != NULL) {\n report += res;\n}\nif((res = isdpkgvuln(pkg:\"linux-headers-3.16.0-4-all-mips\", ver:\"3.16.39-1+deb8u2\", rls:\"DEB8\")) != NULL) {\n report += res;\n}\nif((res = isdpkgvuln(pkg:\"linux-headers-3.16.0-4-all-mipsel\", ver:\"3.16.39-1+deb8u2\", rls:\"DEB8\")) != NULL) {\n report += res;\n}\nif((res = isdpkgvuln(pkg:\"linux-headers-3.16.0-4-all-powerpc\", ver:\"3.16.39-1+deb8u2\", rls:\"DEB8\")) != NULL) {\n report += res;\n}\nif((res = isdpkgvuln(pkg:\"linux-headers-3.16.0-4-all-ppc64el\", ver:\"3.16.39-1+deb8u2\", rls:\"DEB8\")) != NULL) {\n report += res;\n}\nif((res = isdpkgvuln(pkg:\"linux-headers-3.16.0-4-all-s390x\", ver:\"3.16.39-1+deb8u2\", rls:\"DEB8\")) != NULL) {\n report += res;\n}\nif((res = isdpkgvuln(pkg:\"linux-headers-3.16.0-4-amd64\", ver:\"3.16.39-1+deb8u2\", rls:\"DEB8\")) != NULL) {\n report += res;\n}\nif((res = isdpkgvuln(pkg:\"linux-headers-3.16.0-4-arm64\", ver:\"3.16.39-1+deb8u2\", rls:\"DEB8\")) != NULL) {\n report += res;\n}\nif((res = isdpkgvuln(pkg:\"linux-headers-3.16.0-4-armmp\", ver:\"3.16.39-1+deb8u2\", rls:\"DEB8\")) != NULL) {\n report += res;\n}\nif((res = isdpkgvuln(pkg:\"linux-headers-3.16.0-4-armmp-lpae\", ver:\"3.16.39-1+deb8u2\", rls:\"DEB8\")) != NULL) {\n report += res;\n}\nif((res = isdpkgvuln(pkg:\"linux-headers-3.16.0-4-common\", ver:\"3.16.39-1+deb8u2\", rls:\"DEB8\")) != NULL) {\n report += res;\n}\nif((res = isdpkgvuln(pkg:\"linux-headers-3.16.0-4-ixp4xx\", ver:\"3.16.39-1+deb8u2\", rls:\"DEB8\")) != NULL) {\n report += res;\n}\nif((res = isdpkgvuln(pkg:\"linux-headers-3.16.0-4-kirkwood\", ver:\"3.16.39-1+deb8u2\", rls:\"DEB8\")) != NULL) {\n report += res;\n}\nif((res = isdpkgvuln(pkg:\"linux-headers-3.16.0-4-loongson-2e\", ver:\"3.16.39-1+deb8u2\", rls:\"DEB8\")) != NULL) {\n report += res;\n}\nif((res = isdpkgvuln(pkg:\"linux-headers-3.16.0-4-loongson-2f\", ver:\"3.16.39-1+deb8u2\", rls:\"DEB8\")) != NULL) {\n report += res;\n}\nif((res = isdpkgvuln(pkg:\"linux-headers-3.16.0-4-loongson-3\", ver:\"3.16.39-1+deb8u2\", rls:\"DEB8\")) != NULL) {\n report += res;\n}\nif((res = isdpkgvuln(pkg:\"linux-headers-3.16.0-4-octeon\", ver:\"3.16.39-1+deb8u2\", rls:\"DEB8\")) != NULL) {\n report += res;\n}\nif((res = isdpkgvuln(pkg:\"linux-headers-3.16.0-4-orion5x\", ver:\"3.16.39-1+deb8u2\", rls:\"DEB8\")) != NULL) {\n report += res;\n}\nif((res = isdpkgvuln(pkg:\"linux-headers-3.16.0-4-powerpc\", ver:\"3.16.39-1+deb8u2\", rls:\"DEB8\")) != NULL) {\n report += res;\n}\nif((res = isdpkgvuln(pkg:\"linux-headers-3.16.0-4-powerpc-smp\", ver:\"3.16.39-1+deb8u2\", rls:\"DEB8\")) != NULL) {\n report += res;\n}\nif((res = isdpkgvuln(pkg:\"linux-headers-3.16.0-4-powerpc64\", ver:\"3.16.39-1+deb8u2\", rls:\"DEB8\")) != NULL) {\n report += res;\n}\nif((res = isdpkgvuln(pkg:\"linux-headers-3.16.0-4-powerpc64le\", ver:\"3.16.39-1+deb8u2\", rls:\"DEB8\")) != NULL) {\n report += res;\n}\nif((res = isdpkgvuln(pkg:\"linux-headers-3.16.0-4-r4k-ip22\", ver:\"3.16.39-1+deb8u2\", rls:\"DEB8\")) != NULL) {\n report += res;\n}\nif((res = isdpkgvuln(pkg:\"linux-headers-3.16.0-4-r5k-ip32\", ver:\"3.16.39-1+deb8u2\", rls:\"DEB8\")) != NULL) {\n report += res;\n}\nif((res = isdpkgvuln(pkg:\"linux-headers-3.16.0-4-s390x\", ver:\"3.16.39-1+deb8u2\", rls:\"DEB8\")) != NULL) {\n report += res;\n}\nif((res = isdpkgvuln(pkg:\"linux-headers-3.16.0-4-sb1-bcm91250a\", ver:\"3.16.39-1+deb8u2\", rls:\"DEB8\")) != NULL) {\n report += res;\n}\nif((res = isdpkgvuln(pkg:\"linux-headers-3.16.0-4-versatile\", ver:\"3.16.39-1+deb8u2\", rls:\"DEB8\")) != NULL) {\n report += res;\n}\nif((res = isdpkgvuln(pkg:\"linux-headers-3.2.0-4-4kc-malta\", ver:\"3.16.39-1+deb8u2\", rls:\"DEB8\")) != NULL) {\n report += res;\n}\nif((res = isdpkgvuln(pkg:\"linux-headers-3.2.0-4-5kc-malta\", ver:\"3.16.39-1+deb8u2\", rls:\"DEB8\")) != NULL) {\n report += res;\n}\nif((res = isdpkgvuln(pkg:\"linux-headers-3.2.0-4-all\", ver:\"3.16.39-1+deb8u2\", rls:\"DEB8\")) != NULL) {\n report += res;\n}\nif((res = isdpkgvuln(pkg:\"linux-headers-3.2.0-4-all-mips\", ver:\"3.16.39-1+deb8u2\", rls:\"DEB8\")) != NULL) {\n report += res;\n}\nif((res = isdpkgvuln(pkg:\"linux-headers-3.2.0-4-all-mipsel\", ver:\"3.16.39-1+deb8u2\", rls:\"DEB8\")) != NULL) {\n report += res;\n}\nif((res = isdpkgvuln(pkg:\"linux-headers-3.2.0-4-common\", ver:\"3.16.39-1+deb8u2\", rls:\"DEB8\")) != NULL) {\n report += res;\n}\nif((res = isdpkgvuln(pkg:\"linux-headers-3.2.0-4-loongson-2f\", ver:\"3.16.39-1+deb8u2\", rls:\"DEB8\")) != NULL) {\n report += res;\n}\nif((res = isdpkgvuln(pkg:\"linux-headers-3.2.0-4-octeon\", ver:\"3.16.39-1+deb8u2\", rls:\"DEB8\")) != NULL) {\n report += res;\n}\nif((res = isdpkgvuln(pkg:\"linux-headers-3.2.0-4-r4k-ip22\", ver:\"3.16.39-1+deb8u2\", rls:\"DEB8\")) != NULL) {\n report += res;\n}\nif((res = isdpkgvuln(pkg:\"linux-headers-3.2.0-4-r5k-cobalt\", ver:\"3.16.39-1+deb8u2\", rls:\"DEB8\")) != NULL) {\n report += res;\n}\nif((res = isdpkgvuln(pkg:\"linux-headers-3.2.0-4-r5k-ip32\", ver:\"3.16.39-1+deb8u2\", rls:\"DEB8\")) != NULL) {\n report += res;\n}\nif((res = isdpkgvuln(pkg:\"linux-headers-3.2.0-4-sb1-bcm91250a\", ver:\"3.16.39-1+deb8u2\", rls:\"DEB8\")) != NULL) {\n report += res;\n}\nif((res = isdpkgvuln(pkg:\"linux-headers-3.2.0-4-sb1a-bcm91480b\", ver:\"3.16.39-1+deb8u2\", rls:\"DEB8\")) != NULL) {\n report += res;\n}\nif((res = isdpkgvuln(pkg:\"linux-image-3.16.0-4-4kc-malta\", ver:\"3.16.39-1+deb8u2\", rls:\"DEB8\")) != NULL) {\n report += res;\n}\nif((res = isdpkgvuln(pkg:\"linux-image-3.16.0-4-586\", ver:\"3.16.39-1+deb8u2\", rls:\"DEB8\")) != NULL) {\n report += res;\n}\nif((res = isdpkgvuln(pkg:\"linux-image-3.16.0-4-5kc-malta\", ver:\"3.16.39-1+deb8u2\", rls:\"DEB8\")) != NULL) {\n report += res;\n}\nif((res = isdpkgvuln(pkg:\"linux-image-3.16.0-4-686-pae\", ver:\"3.16.39-1+deb8u2\", rls:\"DEB8\")) != NULL) {\n report += res;\n}\nif((res = isdpkgvuln(pkg:\"linux-image-3.16.0-4-686-pae-dbg\", ver:\"3.16.39-1+deb8u2\", rls:\"DEB8\")) != NULL) {\n report += res;\n}\nif((res = isdpkgvuln(pkg:\"linux-image-3.16.0-4-amd64\", ver:\"3.16.39-1+deb8u2\", rls:\"DEB8\")) != NULL) {\n report += res;\n}\nif((res = isdpkgvuln(pkg:\"linux-image-3.16.0-4-amd64-dbg\", ver:\"3.16.39-1+deb8u2\", rls:\"DEB8\")) != NULL) {\n report += res;\n}\nif((res = isdpkgvuln(pkg:\"linux-image-3.16.0-4-arm64\", ver:\"3.16.39-1+deb8u2\", rls:\"DEB8\")) != NULL) {\n report += res;\n}\nif((res = isdpkgvuln(pkg:\"linux-image-3.16.0-4-arm64-dbg\", ver:\"3.16.39-1+deb8u2\", rls:\"DEB8\")) != NULL) {\n report += res;\n}\nif((res = isdpkgvuln(pkg:\"linux-image-3.16.0-4-armmp\", ver:\"3.16.39-1+deb8u2\", rls:\"DEB8\")) != NULL) {\n report += res;\n}\nif((res = isdpkgvuln(pkg:\"linux-image-3.16.0-4-armmp-lpae\", ver:\"3.16.39-1+deb8u2\", rls:\"DEB8\")) != NULL) {\n report += res;\n}\nif((res = isdpkgvuln(pkg:\"linux-image-3.16.0-4-ixp4xx\", ver:\"3.16.39-1+deb8u2\", rls:\"DEB8\")) != NULL) {\n report += res;\n}\nif((res = isdpkgvuln(pkg:\"linux-image-3.16.0-4-kirkwood\", ver:\"3.16.39-1+deb8u2\", rls:\"DEB8\")) != NULL) {\n report += res;\n}\nif((res = isdpkgvuln(pkg:\"linux-image-3.16.0-4-loongson-2e\", ver:\"3.16.39-1+deb8u2\", rls:\"DEB8\")) != NULL) {\n report += res;\n}\nif((res = isdpkgvuln(pkg:\"linux-image-3.16.0-4-loongson-2f\", ver:\"3.16.39-1+deb8u2\", rls:\"DEB8\")) != NULL) {\n report += res;\n}\nif((res = isdpkgvuln(pkg:\"linux-image-3.16.0-4-loongson-3\", ver:\"3.16.39-1+deb8u2\", rls:\"DEB8\")) != NULL) {\n report += res;\n}\nif((res = isdpkgvuln(pkg:\"linux-image-3.16.0-4-octeon\", ver:\"3.16.39-1+deb8u2\", rls:\"DEB8\")) != NULL) {\n report += res;\n}\nif((res = isdpkgvuln(pkg:\"linux-image-3.16.0-4-orion5x\", ver:\"3.16.39-1+deb8u2\", rls:\"DEB8\")) != NULL) {\n report += res;\n}\nif((res = isdpkgvuln(pkg:\"linux-image-3.16.0-4-powerpc\", ver:\"3.16.39-1+deb8u2\", rls:\"DEB8\")) != NULL) {\n report += res;\n}\nif((res = isdpkgvuln(pkg:\"linux-image-3.16.0-4-powerpc-smp\", ver:\"3.16.39-1+deb8u2\", rls:\"DEB8\")) != NULL) {\n report += res;\n}\nif((res = isdpkgvuln(pkg:\"linux-image-3.16.0-4-powerpc64\", ver:\"3.16.39-1+deb8u2\", rls:\"DEB8\")) != NULL) {\n report += res;\n}\nif((res = isdpkgvuln(pkg:\"linux-image-3.16.0-4-powerpc64le\", ver:\"3.16.39-1+deb8u2\", rls:\"DEB8\")) != NULL) {\n report += res;\n}\nif((res = isdpkgvuln(pkg:\"linux-image-3.16.0-4-r4k-ip22\", ver:\"3.16.39-1+deb8u2\", rls:\"DEB8\")) != NULL) {\n report += res;\n}\nif((res = isdpkgvuln(pkg:\"linux-image-3.16.0-4-r5k-ip32\", ver:\"3.16.39-1+deb8u2\", rls:\"DEB8\")) != NULL) {\n report += res;\n}\nif((res = isdpkgvuln(pkg:\"linux-image-3.16.0-4-s390x\", ver:\"3.16.39-1+deb8u2\", rls:\"DEB8\")) != NULL) {\n report += res;\n}\nif((res = isdpkgvuln(pkg:\"linux-image-3.16.0-4-s390x-dbg\", ver:\"3.16.39-1+deb8u2\", rls:\"DEB8\")) != NULL) {\n report += res;\n}\nif((res = isdpkgvuln(pkg:\"linux-image-3.16.0-4-sb1-bcm91250a\", ver:\"3.16.39-1+deb8u2\", rls:\"DEB8\")) != NULL) {\n report += res;\n}\nif((res = isdpkgvuln(pkg:\"linux-image-3.16.0-4-versatile\", ver:\"3.16.39-1+deb8u2\", rls:\"DEB8\")) != NULL) {\n report += res;\n}\nif((res = isdpkgvuln(pkg:\"linux-image-3.2.0-4-4kc-malta\", ver:\"3.16.39-1+deb8u2\", rls:\"DEB8\")) != NULL) {\n report += res;\n}\nif((res = isdpkgvuln(pkg:\"linux-image-3.2.0-4-5kc-malta\", ver:\"3.16.39-1+deb8u2\", rls:\"DEB8\")) != NULL) {\n report += res;\n}\nif((res = isdpkgvuln(pkg:\"linux-image-3.2.0-4-loongson-2f\", ver:\"3.16.39-1+deb8u2\", rls:\"DEB8\")) != NULL) {\n report += res;\n}\nif((res = isdpkgvuln(pkg:\"linux-image-3.2.0-4-octeon\", ver:\"3.16.39-1+deb8u2\", rls:\"DEB8\")) != NULL) {\n report += res;\n}\nif((res = isdpkgvuln(pkg:\"linux-image-3.2.0-4-r4k-ip22\", ver:\"3.16.39-1+deb8u2\", rls:\"DEB8\")) != NULL) {\n report += res;\n}\nif((res = isdpkgvuln(pkg:\"linux-image-3.2.0-4-r5k-cobalt\", ver:\"3.16.39-1+deb8u2\", rls:\"DEB8\")) != NULL) {\n report += res;\n}\nif((res = isdpkgvuln(pkg:\"linux-image-3.2.0-4-r5k-ip32\", ver:\"3.16.39-1+deb8u2\", rls:\"DEB8\")) != NULL) {\n report += res;\n}\nif((res = isdpkgvuln(pkg:\"linux-image-3.2.0-4-sb1-bcm91250a\", ver:\"3.16.39-1+deb8u2\", rls:\"DEB8\")) != NULL) {\n report += res;\n}\nif((res = isdpkgvuln(pkg:\"linux-image-3.2.0-4-sb1a-bcm91480b\", ver:\"3.16.39-1+deb8u2\", rls:\"DEB8\")) != NULL) {\n report += res;\n}\nif((res = isdpkgvuln(pkg:\"linux-libc-dev\", ver:\"3.16.39-1+deb8u2\", rls:\"DEB8\")) != NULL) {\n report += res;\n}\nif((res = isdpkgvuln(pkg:\"linux-manual-3.16\", ver:\"3.16.39-1+deb8u2\", rls:\"DEB8\")) != NULL) {\n report += res;\n}\nif((res = isdpkgvuln(pkg:\"linux-source-3.16\", ver:\"3.16.39-1+deb8u2\", rls:\"DEB8\")) != NULL) {\n report += res;\n}\nif((res = isdpkgvuln(pkg:\"linux-support-3.16.0-4\", ver:\"3.16.39-1+deb8u2\", rls:\"DEB8\")) != NULL) {\n report += res;\n}\nif((res = isdpkgvuln(pkg:\"xen-linux-system-3.16.0-4-amd64\", ver:\"3.16.39-1+deb8u2\", rls:\"DEB8\")) != NULL) {\n report += res;\n}\n\nif(report != \"\") {\n security_message(data:report);\n} else if(__pkg_match) {\n exit(99);\n}", "cvss": {"score": 7.2, "vector": "AV:L/AC:L/Au:N/C:C/I:C/A:C"}}, {"lastseen": "2017-07-24T12:57:49", "description": "Several vulnerabilities have been discovered in the Linux kernel that\nmay lead to a privilege escalation, denial of service or have other\nimpacts.\n\nCVE-2016-9588 \nJim Mattson discovered that the KVM implementation for Intel x86\nprocessors does not properly handle #BP and #OF exceptions in an\nL2 (nested) virtual machine. A local attacker in an L2 guest VM\ncan take advantage of this flaw to cause a denial of service for\nthe L1 guest VM.\n\nCVE-2017-2636Alexander Popov discovered a race condition flaw in the n_hdlc\nline discipline that can lead to a double free. A local\nunprivileged user can take advantage of this flaw for privilege\nescalation. On systems that do not already have the n_hdlc module\nloaded, this can be mitigated by disabling it:\necho>> /etc/modprobe.d/disable-n_hdlc.conf install n_hdlc falseCVE-2017-5669 \nGareth Evans reported that privileged users can map memory at\naddress 0 through the shmat() system call. This could make it\neasier to exploit other kernel security vulnerabilities via a\nset-UID program.\n\nCVE-2017-5986Alexander Popov reported a race condition in the SCTP\nimplementation that can be used by local users to cause a\ndenial-of-service (crash). The initial fix for this was incorrect\nand introduced further security issues ( CVE-2017-6353). This update includes a later fix that\navoids those. On systems that do not already have the sctp\nmodule loaded, this can be mitigated by disabling it:\necho>> /etc/modprobe.d/disable-sctp.conf install sctp falseCVE-2017-6214 \nDmitry Vyukov reported a bug in the TCP implementation", "cvss3": {}, "published": "2017-03-08T00:00:00", "type": "openvas", "title": "Debian Security Advisory DSA 3804-1 (linux - security update)", "bulletinFamily": "scanner", "cvss2": {}, "cvelist": ["CVE-2017-2636", "CVE-2017-6348", "CVE-2017-6214", "CVE-2017-6345", "CVE-2017-5669", "CVE-2017-5986", "CVE-2017-6346", "CVE-2016-9588", "CVE-2017-6353"], "modified": "2017-07-07T00:00:00", "id": "OPENVAS:703804", "href": "http://plugins.openvas.org/nasl.php?oid=703804", "sourceData": "# OpenVAS Vulnerability Test\n# $Id: deb_3804.nasl 6607 2017-07-07 12:04:25Z cfischer $\n# Auto-generated from advisory DSA 3804-1 using nvtgen 1.0\n# Script version: 1.0\n#\n# Author:\n# Greenbone Networks\n#\n# Copyright:\n# Copyright (c) 2017 Greenbone Networks GmbH http://greenbone.net\n# Text descriptions are largely excerpted from the referenced\n# advisory, and are Copyright (c) the respective author(s)\n#\n# This program is free software; you can redistribute it and/or\n# modify it under the terms of the GNU General Public License\n# as published by the Free Software Foundation; either version 2\n# of the License, or (at your option) any later version.\n#\n# This program is distributed in the hope that it will be useful,\n# but WITHOUT ANY WARRANTY; without even the implied warranty of\n# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\n# GNU General Public License for more details.\n#\n# You should have received a copy of the GNU General Public License\n# along with this program; if not, write to the Free Software\n# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.\n#\n\n\nif(description)\n{\n script_id(703804);\n script_version(\"$Revision: 6607 $\");\n script_cve_id(\"CVE-2016-9588\", \"CVE-2017-2636\", \"CVE-2017-5669\", \"CVE-2017-5986\", \"CVE-2017-6214\", \"CVE-2017-6345\", \"CVE-2017-6346\", \"CVE-2017-6348\", \"CVE-2017-6353\");\n script_name(\"Debian Security Advisory DSA 3804-1 (linux - security update)\");\n script_tag(name: \"last_modification\", value: \"$Date: 2017-07-07 14:04:25 +0200 (Fri, 07 Jul 2017) $\");\n script_tag(name: \"creation_date\", value: \"2017-03-08 00:00:00 +0100 (Wed, 08 Mar 2017)\");\n script_tag(name:\"cvss_base\", value:\"7.2\");\n script_tag(name:\"cvss_base_vector\", value:\"AV:L/AC:L/Au:N/C:C/I:C/A:C\");\n script_tag(name: \"solution_type\", value: \"VendorFix\");\n script_tag(name: \"qod_type\", value: \"package\");\n\n script_xref(name: \"URL\", value: \"http://www.debian.org/security/2017/dsa-3804.html\");\n\n script_category(ACT_GATHER_INFO);\n\n script_copyright(\"Copyright (c) 2017 Greenbone Networks GmbH http://greenbone.net\");\n script_family(\"Debian Local Security Checks\");\n script_dependencies(\"gather-package-list.nasl\");\n script_mandatory_keys(\"ssh/login/debian_linux\", \"ssh/login/packages\");\n script_tag(name: \"affected\", value: \"linux on Debian Linux\");\n script_tag(name: \"insight\", value: \"The Linux kernel is the core of the Linux operating system.\");\n script_tag(name: \"solution\", value: \"For the stable distribution (jessie), these problems have been fixed in\nversion 3.16.39-1+deb8u2.\n\nWe recommend that you upgrade your linux packages.\");\n script_tag(name: \"summary\", value: \"Several vulnerabilities have been discovered in the Linux kernel that\nmay lead to a privilege escalation, denial of service or have other\nimpacts.\n\nCVE-2016-9588 \nJim Mattson discovered that the KVM implementation for Intel x86\nprocessors does not properly handle #BP and #OF exceptions in an\nL2 (nested) virtual machine. A local attacker in an L2 guest VM\ncan take advantage of this flaw to cause a denial of service for\nthe L1 guest VM.\n\nCVE-2017-2636Alexander Popov discovered a race condition flaw in the n_hdlc\nline discipline that can lead to a double free. A local\nunprivileged user can take advantage of this flaw for privilege\nescalation. On systems that do not already have the n_hdlc module\nloaded, this can be mitigated by disabling it:\necho>> /etc/modprobe.d/disable-n_hdlc.conf install n_hdlc falseCVE-2017-5669 \nGareth Evans reported that privileged users can map memory at\naddress 0 through the shmat() system call. This could make it\neasier to exploit other kernel security vulnerabilities via a\nset-UID program.\n\nCVE-2017-5986Alexander Popov reported a race condition in the SCTP\nimplementation that can be used by local users to cause a\ndenial-of-service (crash). The initial fix for this was incorrect\nand introduced further security issues ( CVE-2017-6353). 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rls_regex:\"DEB8.[0-9]+\")) != NULL) {\n report += res;\n}\nif ((res = isdpkgvuln(pkg:\"linux-headers-3.16.0-4-octeon\", ver:\"3.16.39-1+deb8u2\", rls_regex:\"DEB8.[0-9]+\")) != NULL) {\n report += res;\n}\nif ((res = isdpkgvuln(pkg:\"linux-headers-3.16.0-4-orion5x\", ver:\"3.16.39-1+deb8u2\", rls_regex:\"DEB8.[0-9]+\")) != NULL) {\n report += res;\n}\nif ((res = isdpkgvuln(pkg:\"linux-headers-3.16.0-4-powerpc\", ver:\"3.16.39-1+deb8u2\", rls_regex:\"DEB8.[0-9]+\")) != NULL) {\n report += res;\n}\nif ((res = isdpkgvuln(pkg:\"linux-headers-3.16.0-4-powerpc-smp\", ver:\"3.16.39-1+deb8u2\", rls_regex:\"DEB8.[0-9]+\")) != NULL) {\n report += res;\n}\nif ((res = isdpkgvuln(pkg:\"linux-headers-3.16.0-4-powerpc64\", ver:\"3.16.39-1+deb8u2\", rls_regex:\"DEB8.[0-9]+\")) != NULL) {\n report += res;\n}\nif ((res = isdpkgvuln(pkg:\"linux-headers-3.16.0-4-powerpc64le\", ver:\"3.16.39-1+deb8u2\", rls_regex:\"DEB8.[0-9]+\")) != NULL) {\n report += res;\n}\nif ((res = isdpkgvuln(pkg:\"linux-headers-3.16.0-4-r4k-ip22\", ver:\"3.16.39-1+deb8u2\", rls_regex:\"DEB8.[0-9]+\")) != NULL) {\n report += res;\n}\nif ((res = isdpkgvuln(pkg:\"linux-headers-3.16.0-4-r5k-ip32\", ver:\"3.16.39-1+deb8u2\", rls_regex:\"DEB8.[0-9]+\")) != NULL) {\n report += res;\n}\nif ((res = isdpkgvuln(pkg:\"linux-headers-3.16.0-4-s390x\", ver:\"3.16.39-1+deb8u2\", rls_regex:\"DEB8.[0-9]+\")) != NULL) {\n report += res;\n}\nif ((res = isdpkgvuln(pkg:\"linux-headers-3.16.0-4-sb1-bcm91250a\", ver:\"3.16.39-1+deb8u2\", rls_regex:\"DEB8.[0-9]+\")) != NULL) {\n report += res;\n}\nif ((res = isdpkgvuln(pkg:\"linux-headers-3.16.0-4-versatile\", ver:\"3.16.39-1+deb8u2\", rls_regex:\"DEB8.[0-9]+\")) != NULL) {\n report += res;\n}\nif ((res = isdpkgvuln(pkg:\"linux-headers-3.2.0-4-4kc-malta\", ver:\"3.16.39-1+deb8u2\", rls_regex:\"DEB8.[0-9]+\")) != NULL) {\n report += res;\n}\nif ((res = isdpkgvuln(pkg:\"linux-headers-3.2.0-4-5kc-malta\", ver:\"3.16.39-1+deb8u2\", 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isdpkgvuln(pkg:\"linux-headers-3.2.0-4-r4k-ip22\", ver:\"3.16.39-1+deb8u2\", rls_regex:\"DEB8.[0-9]+\")) != NULL) {\n report += res;\n}\nif ((res = isdpkgvuln(pkg:\"linux-headers-3.2.0-4-r5k-cobalt\", ver:\"3.16.39-1+deb8u2\", rls_regex:\"DEB8.[0-9]+\")) != NULL) {\n report += res;\n}\nif ((res = isdpkgvuln(pkg:\"linux-headers-3.2.0-4-r5k-ip32\", ver:\"3.16.39-1+deb8u2\", rls_regex:\"DEB8.[0-9]+\")) != NULL) {\n report += res;\n}\nif ((res = isdpkgvuln(pkg:\"linux-headers-3.2.0-4-sb1-bcm91250a\", ver:\"3.16.39-1+deb8u2\", rls_regex:\"DEB8.[0-9]+\")) != NULL) {\n report += res;\n}\nif ((res = isdpkgvuln(pkg:\"linux-headers-3.2.0-4-sb1a-bcm91480b\", ver:\"3.16.39-1+deb8u2\", rls_regex:\"DEB8.[0-9]+\")) != NULL) {\n report += res;\n}\nif ((res = isdpkgvuln(pkg:\"linux-image-3.16.0-4-4kc-malta\", ver:\"3.16.39-1+deb8u2\", rls_regex:\"DEB8.[0-9]+\")) != NULL) {\n report += res;\n}\nif ((res = isdpkgvuln(pkg:\"linux-image-3.16.0-4-586\", ver:\"3.16.39-1+deb8u2\", rls_regex:\"DEB8.[0-9]+\")) != NULL) {\n report += res;\n}\nif ((res = isdpkgvuln(pkg:\"linux-image-3.16.0-4-5kc-malta\", ver:\"3.16.39-1+deb8u2\", rls_regex:\"DEB8.[0-9]+\")) != NULL) {\n report += res;\n}\nif ((res = isdpkgvuln(pkg:\"linux-image-3.16.0-4-686-pae\", ver:\"3.16.39-1+deb8u2\", rls_regex:\"DEB8.[0-9]+\")) != NULL) {\n report += res;\n}\nif ((res = isdpkgvuln(pkg:\"linux-image-3.16.0-4-686-pae-dbg\", ver:\"3.16.39-1+deb8u2\", rls_regex:\"DEB8.[0-9]+\")) != NULL) {\n report += res;\n}\nif ((res = isdpkgvuln(pkg:\"linux-image-3.16.0-4-amd64\", ver:\"3.16.39-1+deb8u2\", rls_regex:\"DEB8.[0-9]+\")) != NULL) {\n report += res;\n}\nif ((res = isdpkgvuln(pkg:\"linux-image-3.16.0-4-amd64-dbg\", ver:\"3.16.39-1+deb8u2\", rls_regex:\"DEB8.[0-9]+\")) != NULL) {\n report += res;\n}\nif ((res = isdpkgvuln(pkg:\"linux-image-3.16.0-4-arm64\", ver:\"3.16.39-1+deb8u2\", rls_regex:\"DEB8.[0-9]+\")) != NULL) {\n report += res;\n}\nif ((res = isdpkgvuln(pkg:\"linux-image-3.16.0-4-arm64-dbg\", ver:\"3.16.39-1+deb8u2\", 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Virtuozzo 7 : readykernel-patch (VZA-2017-029)
