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{"id": "OSV:DSA-5191-1", "bulletinFamily": "software", "title": "linux - security update", "description": "\nSeveral vulnerabilities have been discovered in the Linux kernel that may\nlead to privilege escalation, denial of service or information leaks:\n\n\n* [CVE-2021-33655](https://security-tracker.debian.org/tracker/CVE-2021-33655)\nA user with access to a framebuffer console driver could cause a\n memory out-of-bounds write via the FBIOPUT\\_VSCREENINFO ioctl.\n* [CVE-2022-2318](https://security-tracker.debian.org/tracker/CVE-2022-2318)\nA use-after-free in the Amateur Radio X.25 PLP (Rose) support may\n result in denial of service.\n* [CVE-2022-26365](https://security-tracker.debian.org/tracker/CVE-2022-26365),\n [CVE-2022-33740](https://security-tracker.debian.org/tracker/CVE-2022-33740),\n [CVE-2022-33741](https://security-tracker.debian.org/tracker/CVE-2022-33741),\n [CVE-2022-33742](https://security-tracker.debian.org/tracker/CVE-2022-33742)\nRoger Pau Monne discovered that Xen block and network PV device\n frontends don't zero out memory regions before sharing them with the\n backend, which may result in information disclosure. Additionally it\n was discovered that the granularity of the grant table doesn't permit\n sharing less than a 4k page, which may also result in information\n disclosure.\n* [CVE-2022-33743](https://security-tracker.debian.org/tracker/CVE-2022-33743)\nJan Beulich discovered that incorrect memory handling in the Xen\n network backend may lead to denial of service.\n* [CVE-2022-33744](https://security-tracker.debian.org/tracker/CVE-2022-33744)\nOleksandr Tyshchenko discovered that ARM Xen guests can cause a denial\n of service to the Dom0 via paravirtual devices.\n* [CVE-2022-34918](https://security-tracker.debian.org/tracker/CVE-2022-34918)\nArthur Mongodin discovered a heap buffer overflow in the Netfilter\n subsystem which may result in local privilege escalation.\n\n\nFor the stable distribution (bullseye), these problems have been fixed in\nversion 5.10.127-2.\n\n\nWe recommend that you upgrade your linux packages.\n\n\nFor the detailed security status of linux please refer to\nits security tracker page at:\n[\\\nhttps://security-tracker.debian.org/tracker/linux](https://security-tracker.debian.org/tracker/linux)\n\n\n", "published": "2022-07-26T00:00:00", "modified": "2022-08-10T07:07:12", "cvss": {"score": 7.2, "vector": "AV:L/AC:L/Au:N/C:C/I:C/A:C"}, "cvss2": {"acInsufInfo": false, "cvssV2": {"accessComplexity": "LOW", "accessVector": "LOCAL", "authentication": "NONE", "availabilityImpact": "COMPLETE", "baseScore": 7.2, "confidentialityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "vectorString": "AV:L/AC:L/Au:N/C:C/I:C/A:C", "version": "2.0"}, "exploitabilityScore": 3.9, "impactScore": 10.0, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "severity": "HIGH", "userInteractionRequired": false}, "cvss3": {"cvssV3": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 5.9}, "href": "https://osv.dev/vulnerability/DSA-5191-1", "reporter": "Google", "references": ["https://www.debian.org/security/2022/dsa-5191"], "cvelist": ["CVE-2022-2318", "CVE-2021-33655", "CVE-2022-26365", "CVE-2022-33740", "CVE-2022-33742", "CVE-2022-33741", "CVE-2022-33743", "CVE-2022-34918", "CVE-2022-33744"], "immutableFields": [], "type": "osv", "lastseen": "2022-08-10T07:07:15", "edition": 1, "viewCount": 38, "enchantments": {"dependencies": {"references": [{"idList": ["MGASA-2022-0264", "MGASA-2022-0263"], "type": "mageia"}, {"idList": ["SUSE-SU-2022:2376-1", "SUSE-SU-2022:2722-1", "SUSE-SU-2022:2549-1", "SUSE-SU-2022:2422-1", "SUSE-SU-2022:2615-1", "SUSE-SU-2022:2520-1", "SUSE-SU-2022:2411-1"], "type": "suse"}, {"idList": ["CVE-2022-2318", "CVE-2021-33655", "CVE-2022-26365", "CVE-2022-33740", "CVE-2022-33742", "CVE-2022-33741", "CVE-2022-33743", "CVE-2022-34918", "CVE-2022-33744"], "type": "cve"}, {"idList": ["XSA-406", "XSA-405", "XSA-403"], "type": "xen"}, {"idList": ["DEBIAN:DSA-5191-1:574E3"], "type": "debian"}, {"idList": ["VERACODE:36324", "VERACODE:36325", "VERACODE:36304", "VERACODE:36326"], "type": "veracode"}, {"idList": ["ALAS-2022-1624", "ALAS2-2022-1825"], "type": "amazon"}, {"idList": ["UB:CVE-2022-33744", "UB:CVE-2022-34918", "UB:CVE-2022-33741", "UB:CVE-2022-26365", "UB:CVE-2022-33740", "UB:CVE-2021-33655", "UB:CVE-2022-33743", "UB:CVE-2022-33742", "UB:CVE-2022-2318"], "type": "ubuntucve"}, {"idList": ["BE6625E5-8275-5164-A251-2EF421A388EC", "96956207-1672-592D-A630-B4AE7A844347", "8C048A68-D3B8-57D5-9F89-6F850B0895AE", "A5C99698-1B9B-58C5-8CD0-6C2D15021C06", "AEB0F5A5-E56A-5496-A431-5B7650A28B86", "BCD1465A-0399-584D-A327-72619907EC4C"], "type": "githubexploit"}, {"idList": ["FEDORA:1327A30569C4", "FEDORA:D2A5C30571AE"], "type": "fedora"}, {"idList": ["DEBIANCVE:CVE-2022-2318", "DEBIANCVE:CVE-2022-26365", "DEBIANCVE:CVE-2021-33655", "DEBIANCVE:CVE-2022-33742", "DEBIANCVE:CVE-2022-33743", "DEBIANCVE:CVE-2022-33744", "DEBIANCVE:CVE-2022-33740", "DEBIANCVE:CVE-2022-33741", "DEBIANCVE:CVE-2022-34918"], "type": "debiancve"}, {"idList": ["RH:CVE-2021-33655", "RH:CVE-2022-34918", "RH:CVE-2022-2318", "RH:CVE-2022-33743"], "type": "redhatcve"}, {"idList": ["AL2_ALAS-2022-1825.NASL", "SUSE_SU-2022-2411-1.NASL", "SUSE_SU-2022-2520-1.NASL", "UBUNTU_USN-5540-1.NASL", "SUSE_SU-2022-2377-1.NASL", "SUSE_SU-2022-2629-1.NASL", "SUSE_SU-2022-2407-1.NASL", "ALA_ALAS-2022-1624.NASL", "SUSE_SU-2022-2382-1.NASL", "SUSE_SU-2022-2615-1.NASL", "UBUNTU_USN-5544-1.NASL", "UBUNTU_USN-5545-1.NASL", "AL2_ALASKERNEL-5_4-2022-033.NASL", "AL2_ALASKERNEL-5_10-2022-018.NASL", "SUSE_SU-2022-2393-1.NASL", "SUSE_SU-2022-2424-1.NASL", "SUSE_SU-2022-2376-1.NASL", "SUSE_SU-2022-2549-1.NASL", "AL2_ALASKERNEL-5_15-2022-005.NASL", "SUSE_SU-2022-2422-1.NASL", "DEBIAN_DSA-5191.NASL"], "type": "nessus"}, {"idList": ["USN-5544-1", "USN-5545-1", "USN-5540-1"], "type": "ubuntu"}]}, "score": {"value": 0.9, "vector": "NONE"}, "epss": [{"cve": "CVE-2022-2318", "epss": "0.000420000", "percentile": "0.056330000", "modified": "2023-03-20"}, {"cve": "CVE-2021-33655", "epss": "0.000420000", "percentile": "0.056330000", "modified": "2023-03-20"}, {"cve": "CVE-2022-26365", "epss": "0.000420000", "percentile": "0.056330000", "modified": "2023-03-20"}, {"cve": "CVE-2022-33740", "epss": "0.000420000", "percentile": "0.056330000", "modified": "2023-03-20"}, {"cve": "CVE-2022-33742", "epss": "0.000420000", "percentile": "0.056330000", "modified": "2023-03-20"}, {"cve": "CVE-2022-33741", "epss": "0.000420000", "percentile": "0.056330000", "modified": "2023-03-20"}, {"cve": "CVE-2022-33743", "epss": "0.000420000", "percentile": "0.056330000", "modified": "2023-03-20"}, {"cve": "CVE-2022-34918", "epss": "0.000660000", "percentile": "0.270170000", "modified": "2023-03-20"}, {"cve": "CVE-2022-33744", "epss": "0.000420000", "percentile": "0.056330000", "modified": "2023-03-20"}], "vulnersScore": 0.9}, "_state": {"score": 1660115888, "dependencies": 1660115447, "affected_software_major_version": 1666703109, "epss": 1679338714}, "_internal": {"score_hash": "2cd0e93a9efb8ffef88e89040f05fbc6"}, "affectedSoftware": [{"name": "linux", "operator": "eq", "version": "5.10.113-1"}, {"name": "linux", "operator": "eq", "version": "5.10.92-1"}, {"name": "linux", "operator": "eq", "version": "5.10.103-1"}, {"name": "linux", "operator": "eq", "version": "5.10.120-1~bpo10+1"}, {"name": "linux", "operator": "eq", "version": "5.10.103-1~bpo10+1"}, {"name": "linux", "operator": "eq", "version": "5.10.127-1"}, {"name": "linux", "operator": "eq", "version": "5.10.127-2~bpo10+1"}, {"name": "linux", "operator": "eq", "version": "5.10.84-1"}, {"name": "linux", "operator": "eq", "version": "5.10.46-4"}, {"name": "linux", "operator": "eq", "version": "5.10.120-1"}, {"name": "linux", "operator": "eq", "version": "5.10.92-2"}, {"name": "linux", "operator": "eq", "version": "5.10.70-1"}, {"name": "linux", "operator": "eq", "version": "5.10.92-1~bpo10+1"}, {"name": "linux", "operator": "eq", "version": "5.10.46-5"}, {"name": "linux", "operator": "eq", "version": "5.10.70-1~bpo10+1"}, {"name": "linux", "operator": "eq", "version": "5.10.106-1"}]}

{"debian": [{"lastseen": "2023-02-24T14:12:44", "description": "- -------------------------------------------------------------------------\nDebian Security Advisory DSA-5191-1 security@debian.org\nhttps://www.debian.org/security/ Moritz Muehlenhoff\nJuly 26, 2022 https://www.debian.org/security/faq\n- -------------------------------------------------------------------------\n\nPackage : linux\nCVE ID : CVE-2021-33655 CVE-2022-2318 CVE-2022-26365 CVE-2022-33740 \n CVE-2022-33741 CVE-2022-33742 CVE-2022-33743 CVE-2022-33744 \n CVE-2022-34918\n\nSeveral vulnerabilities have been discovered in the Linux kernel that may\nlead to privilege escalation, denial of service or information leaks:\n\nCVE-2021-33655\n\n A user with access to a framebuffer console driver could cause a\n memory out-of-bounds write via the FBIOPUT_VSCREENINFO ioctl.\n\nCVE-2022-2318\n\n A use-after-free in the Amateur Radio X.25 PLP (Rose) support may\n result in denial of service.\n\nCVE-2022-26365 / CVE-2022-33740 / CVE-2022-33741 / CVE-2022-33742\n\n Roger Pau Monne discovered that Xen block and network PV device\n frontends don&#x27;t zero out memory regions before sharing them with the\n backend, which may result in information disclosure. Additionally it\n was discovered that the granularity of the grant table doesn&#x27;t permit\n sharing less than a 4k page, which may also result in information\n disclosure.\n\nCVE-2022-33743\n\n Jan Beulich discovered that incorrect memory handling in the Xen\n network backend may lead to denial of service.\n\nCVE-2022-33744\n\n Oleksandr Tyshchenko discovered that ARM Xen guests can cause a denial\n of service to the Dom0 via paravirtual devices.\n\nCVE-2022-34918\n\n Arthur Mongodin discovered a heap buffer overflow in the Netfilter\n subsystem which may result in local privilege escalation.\n\nFor the stable distribution (bullseye), these problems have been fixed in\nversion 5.10.127-2.\n\nWe recommend that you upgrade your linux packages.\n\nFor the detailed security status of linux please refer to\nits security tracker page at:\nhttps://security-tracker.debian.org/tracker/linux\n\nFurther information about Debian Security Advisories, how to apply\nthese updates to your system and frequently asked questions can be\nfound at: https://www.debian.org/security/\n\nMailing list: debian-security-announce@lists.debian.org", "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": "2022-07-26T20:07:34", "type": "debian", "title": "[SECURITY] [DSA 5191-1] linux security update", "bulletinFamily": "unix", "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, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-33655", "CVE-2022-2318", "CVE-2022-26365", "CVE-2022-33740", "CVE-2022-33741", "CVE-2022-33742", "CVE-2022-33743", "CVE-2022-33744", "CVE-2022-34918"], "modified": "2022-07-26T20:07:34", "id": "DEBIAN:DSA-5191-1:574E3", "href": "https://lists.debian.org/debian-security-announce/2022/msg00160.html", "cvss": {"score": 7.2, "vector": "AV:L/AC:L/Au:N/C:C/I:C/A:C"}}, {"lastseen": "2023-02-25T17:34:57", "description": "-------------------------------------------------------------------------\nDebian LTS Advisory DLA-3131-1 debian-lts@lists.debian.org\nhttps://www.debian.org/lts/security/ Ben Hutchings\nOctober 01, 2022 https://wiki.debian.org/LTS\n-------------------------------------------------------------------------\n\nPackage : linux\nVersion : 4.19.260-1\nCVE ID : CVE-2021-4159 CVE-2021-33655 CVE-2021-33656 CVE-2022-1462\n CVE-2022-1679 CVE-2022-2153 CVE-2022-2318 CVE-2022-2586\n CVE-2022-2588 CVE-2022-2663 CVE-2022-3028 CVE-2022-26365\n CVE-2022-26373 CVE-2022-33740 CVE-2022-33741 CVE-2022-33742\n CVE-2022-33744 CVE-2022-36879 CVE-2022-36946 CVE-2022-39188\n CVE-2022-39842 CVE-2022-40307\nDebian Bug : 1018752\n\nSeveral vulnerabilities have been discovered in the Linux kernel that\nmay lead to privilege escalation, denial of service or information\nleaks.\n\nCVE-2021-4159\n\n A flaw was found in the eBPF verifier which could lead to an\n out-of-bounds read. If unprivileged use of eBPF is enabled, this\n could leak sensitive information. This was already disabled by\n default, which would fully mitigate the vulnerability.\n\nCVE-2021-33655\n\n A user with access to a framebuffer console device could cause a\n memory out-of-bounds write via the FBIOPUT_VSCREENINFO ioctl.\n\nCVE-2021-33656\n\n A user with access to a framebuffer console device could cause a\n memory out-of-bounds write via some font setting ioctls. These\n obsolete ioctls have been removed.\n\nCVE-2022-1462\n\n \u4e00\u53ea\u72d7 reported a race condition in the pty (pseudo-terminal)\n subsystem that can lead to a slab out-of-bounds write. A local\n user could exploit this to cause a denial of service (crash or\n memory corruption) or possibly for privilege escalation.\n\nCVE-2022-1679\n\n The syzbot tool found a race condition in the ath9k_htc driver\n which can lead to a use-after-free. This might be exploitable to\n cause a denial service (crash or memory corruption) or possibly\n for privilege escalation.\n\nCVE-2022-2153\n\n &quot;kangel&quot; reported a flaw in the KVM implementation for x86\n processors which could lead to a null pointer dereference. A local\n user permitted to access /dev/kvm could exploit this to cause a\n denial of service (crash).\n\nCVE-2022-2318\n\n A use-after-free in the Amateur Radio X.25 PLP (Rose) support may\n result in denial of service.\n\nCVE-2022-2586\n\n A use-after-free in the Netfilter subsystem may result in local\n privilege escalation for a user with the CAP_NET_ADMIN capability\n in any user or network namespace.\n\nCVE-2022-2588\n\n Zhenpeng Lin discovered a use-after-free flaw in the cls_route\n filter implementation which may result in local privilege\n escalation for a user with the CAP_NET_ADMIN capability in any\n user or network namespace.\n\nCVE-2022-2663\n\n David Leadbeater reported flaws in the nf_conntrack_irc\n connection-tracking protocol module. When this module is enabled\n on a firewall, an external user on the same IRC network as an\n internal user could exploit its lax parsing to open arbitrary TCP\n ports in the firewall, to reveal their public IP address, or to\n block their IRC connection at the firewall.\n\nCVE-2022-3028\n\n Abhishek Shah reported a race condition in the AF_KEY subsystem,\n which could lead to an out-of-bounds write or read. A local user\n could exploit this to cause a denial of service (crash or memory\n corruption), to obtain sensitive information, or possibly for\n privilege escalation.\n\nCVE-2022-26365, CVE-2022-33740, CVE-2022-33741, CVE-2022-33742\n\n Roger Pau Monne discovered that Xen block and network PV device\n frontends don&#x27;t zero out memory regions before sharing them with\n the backend, which may result in information disclosure.\n Additionally it was discovered that the granularity of the grant\n table doesn&#x27;t permit sharing less than a 4k page, which may also\n result in information disclosure.\n\nCVE-2022-26373\n\n It was discovered that on certain processors with Intel&#x27;s Enhanced\n Indirect Branch Restricted Speculation (eIBRS) capabilities there\n are exceptions to the documented properties in some situations,\n which may result in information disclosure.\n\n Intel&#x27;s explanation of the issue can be found at\n https://www.intel.com/content/www/us/en/developer/articles/technical/software-security-guidance/advisory-guidance/post-barrier-return-stack-buffer-predictions.html\n\nCVE-2022-33744\n\n Oleksandr Tyshchenko discovered that ARM Xen guests can cause a\n denial of service to the Dom0 via paravirtual devices.\n\nCVE-2022-36879\n\n A flaw was discovered in xfrm_expand_policies in the xfrm\n subsystem which can cause a reference count to be dropped twice.\n\nCVE-2022-36946\n\n Domingo Dirutigliano and Nicola Guerrera reported a memory\n corruption flaw in the Netfilter subsystem which may result in\n denial of service.\n\nCVE-2022-39188\n\n Jann Horn reported a race condition in the kernel&#x27;s handling of\n unmapping of certain memory ranges. When a driver created a\n memory mapping with the VM_PFNMAP flag, which many GPU drivers do,\n the memory mapping could be removed and freed before it was\n flushed from the CPU TLBs. This could result in a page use-after-\n free. A local user with access to such a device could exploit\n this to cause a denial of service (crash or memory corruption) or\n possibly for privilege escalation.\n\nCVE-2022-39842\n\n An integer overflow was discovered in the pxa3xx-gcu video driver\n which could lead to a heap out-of-bounds write.\n\n This driver is not enabled in Debian&#x27;s official kernel\n configurations.\n\nCVE-2022-40307\n\n A race condition was discovered in the EFI capsule-loader driver,\n which could lead to use-after-free. A local user permitted to\n access this device (/dev/efi_capsule_loader) could exploit this to\n cause a denial of service (crash or memory corruption) or possibly\n for privilege escalation. However, this device is normally only\n accessible by the root user.\n\nFor Debian 10 buster, these problems have been fixed in version\n4.19.260-1.\n\nWe recommend that you upgrade your linux packages.\n\nFor the detailed security status of linux please refer to\nits security tracker page at:\nhttps://security-tracker.debian.org/tracker/linux\n\nFurther information about Debian LTS security advisories, how to apply\nthese updates to your system and frequently asked questions can be\nfound at: https://wiki.debian.org/LTS\nAttachment:\nsignature.asc\nDescription: PGP signature\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": "2022-10-02T16:44:48", "type": "debian", "title": "[SECURITY] [DLA 3131-1] linux security update", "bulletinFamily": "unix", "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, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-33655", "CVE-2021-33656", "CVE-2021-4159", "CVE-2022-1462", "CVE-2022-1679", "CVE-2022-2153", "CVE-2022-2318", "CVE-2022-2586", "CVE-2022-2588", "CVE-2022-26365", "CVE-2022-26373", "CVE-2022-2663", "CVE-2022-3028", "CVE-2022-33740", "CVE-2022-33741", "CVE-2022-33742", "CVE-2022-33744", "CVE-2022-36879", "CVE-2022-36946", "CVE-2022-39188", "CVE-2022-39842", "CVE-2022-40307"], "modified": "2022-10-02T16:44:48", "id": "DEBIAN:DLA-3131-1:083C4", "href": "https://lists.debian.org/debian-lts-announce/2022/10/msg00000.html", "cvss": {"score": 7.2, "vector": "AV:L/AC:L/Au:N/C:C/I:C/A:C"}}], "mageia": [{"lastseen": "2022-07-20T21:09:47", "description": "This kernel-linus update is based on upstream 5.15.55 and fixes at least the following security issues: There are use-after-free vulnerabilities caused by timer handler in net/rose/rose_timer.c of linux that allow attackers to crash linux kernel without any privileges (CVE-2022-2318). Xen Block and Network PV device frontends don't zero memory regions before sharing them with the backend (CVE-2022-26365, CVE-2022-33740, XSA-403). Additionally the granularity of the grant table doesn't allow sharing less than a 4K page, leading to unrelated data residing in the same 4K page as data shared with a backend being accessible by such backend (CVE-2022-33741, CVE-2022-33742, XSA-403). Xen network backend may cause Linux netfront to use freed SKBs While adding logic to support XDP (eXpress Data Path), a code label was moved in a way allowing for SKBs having references (pointers) retained for further processing to nevertheless be freed (CVE-2022-33743, XSA-405). Xen Arm guests can cause Dom0 DoS via PV devices When mapping pages of guests on Arm, dom0 is using an rbtree to keep track of the foreign mappings. Updating of that rbtree is not always done completely with the related lock held, resulting in a small race window, which can be used by unprivileged guests via PV devices to cause inconsistencies of the rbtree. These in consistencies can lead to Denial of Service (DoS) of dom0, e.g. by causing crashes or the inability to perform further mappings of other guests memory pages (CVE-2022-33744, XSA-406). An issue was discovered in the Linux kernel through 5.18.9. A type confusion bug in nft_set_elem_init (leading to a buffer overflow) could be used by a local attacker to escalate privileges (The attacker can obtain root access, but must start with an unprivileged user namespace to obtain CAP_NET_ADMIN access) (CVE-2022-34918). For other upstream fixes, see the referenced changelogs. \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": "2022-07-20T20:24:04", "type": "mageia", "title": "Updated kernel-linus packages fix security vulnerabilities\n", "bulletinFamily": "unix", "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, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2022-2318", "CVE-2022-26365", "CVE-2022-33740", "CVE-2022-33741", "CVE-2022-33742", "CVE-2022-33743", "CVE-2022-33744", "CVE-2022-34918"], "modified": "2022-07-20T20:24:04", "id": "MGASA-2022-0264", "href": "https://advisories.mageia.org/MGASA-2022-0264.html", "cvss": {"score": 7.2, "vector": "AV:L/AC:L/Au:N/C:C/I:C/A:C"}}, {"lastseen": "2022-07-20T21:09:47", "description": "This kernel update is based on upstream 5.15.55 and fixes at least the following security issues: There are use-after-free vulnerabilities caused by timer handler in net/rose/rose_timer.c of linux that allow attackers to crash linux kernel without any privileges (CVE-2022-2318). Xen Block and Network PV device frontends don't zero memory regions before sharing them with the backend (CVE-2022-26365, CVE-2022-33740, XSA-403). Additionally the granularity of the grant table doesn't allow sharing less than a 4K page, leading to unrelated data residing in the same 4K page as data shared with a backend being accessible by such backend (CVE-2022-33741, CVE-2022-33742, XSA-403). Xen network backend may cause Linux netfront to use freed SKBs While adding logic to support XDP (eXpress Data Path), a code label was moved in a way allowing for SKBs having references (pointers) retained for further processing to nevertheless be freed (CVE-2022-33743, XSA-405). Xen Arm guests can cause Dom0 DoS via PV devices When mapping pages of guests on Arm, dom0 is using an rbtree to keep track of the foreign mappings. Updating of that rbtree is not always done completely with the related lock held, resulting in a small race window, which can be used by unprivileged guests via PV devices to cause inconsistencies of the rbtree. These in consistencies can lead to Denial of Service (DoS) of dom0, e.g. by causing crashes or the inability to perform further mappings of other guests memory pages (CVE-2022-33744, XSA-406). An issue was discovered in the Linux kernel through 5.18.9. A type confusion bug in nft_set_elem_init (leading to a buffer overflow) could be used by a local attacker to escalate privileges (The attacker can obtain root access, but must start with an unprivileged user namespace to obtain CAP_NET_ADMIN access) (CVE-2022-34918). Other fixes in this update: \\- ALSA: hda: Add fixup for Dell Latitidue E5430 \\- ALSA: hda/conexant: Apply quirk for another HP ProDesk 600 G3 model \\- ALSA: hda/realtek: Enable the headset-mic on a Xiaomi laptop \\- ALSA: hda/realtek: Fix headset mic for Acer SF313-51 \\- ALSA: hda/realtek: Fix headset mic problem for a HP machine with alc221 \\- ALSA: hda/realtek: Fix headset mic problem for a HP machine with alc671 \\- ALSA: hda/realtek: fix mute/micmute LEDs for HP ProBook 440/450 G9 and EliteBook 640/650 G9 \\- ARM: 9213/1: Print message about disabled Spectre workarounds only once \\- net: sock: tracing: Fix sock_exceed_buf_limit not to dereference stale pointer (fixes crash) \\- xen/netback: avoid entering xenvif_rx_next_skb() with an empty rx queue (fixes crash) \\- xfs: only run COW extent recovery when there are no live extents \\- xfs: don't include bnobt blocks when reserving free block pool \\- xfs: run callbacks before waking waiters in xlog_state_shutdown_callbacks \\- xfs: drop async cache flushes from CIL commits For other upstream fixes, see the referenced changelogs. \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": "2022-07-20T20:24:04", "type": "mageia", "title": "Updated kernel packages fix security vulnerabilities\n", "bulletinFamily": "unix", "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, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2022-2318", "CVE-2022-26365", "CVE-2022-33740", "CVE-2022-33741", "CVE-2022-33742", "CVE-2022-33743", "CVE-2022-33744", "CVE-2022-34918"], "modified": "2022-07-20T20:24:02", "id": "MGASA-2022-0263", "href": "https://advisories.mageia.org/MGASA-2022-0263.html", "cvss": {"score": 7.2, "vector": "AV:L/AC:L/Au:N/C:C/I:C/A:C"}}], "nessus": [{"lastseen": "2023-03-02T20:14:15", "description": "The remote Debian 11 host has packages installed that are affected by multiple vulnerabilities as referenced in the dsa-5191 advisory.\n\n - When sending malicous data to kernel by ioctl cmd FBIOPUT_VSCREENINFO,kernel will write memory out of bounds. (CVE-2021-33655)\n\n - There are use-after-free vulnerabilities caused by timer handler in net/rose/rose_timer.c of linux that allow attackers to crash linux kernel without any privileges. (CVE-2022-2318)\n\n - Linux disk/nic frontends data leaks T[his CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE.] Linux Block and Network PV device frontends don't zero memory regions before sharing them with the backend (CVE-2022-26365, CVE-2022-33740).\n Additionally the granularity of the grant table doesn't allow sharing less than a 4K page, leading to unrelated data residing in the same 4K page as data shared with a backend being accessible by such backend (CVE-2022-33741, CVE-2022-33742). (CVE-2022-26365, CVE-2022-33740, CVE-2022-33741, CVE-2022-33742)\n\n - network backend may cause Linux netfront to use freed SKBs While adding logic to support XDP (eXpress Data Path), a code label was moved in a way allowing for SKBs having references (pointers) retained for further processing to nevertheless be freed. (CVE-2022-33743)\n\n - Arm guests can cause Dom0 DoS via PV devices When mapping pages of guests on Arm, dom0 is using an rbtree to keep track of the foreign mappings. Updating of that rbtree is not always done completely with the related lock held, resulting in a small race window, which can be used by unprivileged guests via PV devices to cause inconsistencies of the rbtree. These inconsistencies can lead to Denial of Service (DoS) of dom0, e.g. by causing crashes or the inability to perform further mappings of other guests' memory pages. (CVE-2022-33744)\n\n - An issue was discovered in the Linux kernel through 5.18.9. A type confusion bug in nft_set_elem_init (leading to a buffer overflow) could be used by a local attacker to escalate privileges, a different vulnerability than CVE-2022-32250. (The attacker can obtain root access, but must start with an unprivileged user namespace to obtain CAP_NET_ADMIN access.) This can be fixed in nft_setelem_parse_data in net/netfilter/nf_tables_api.c. (CVE-2022-34918)\n\nNote that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.", "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": "2022-07-27T00:00:00", "type": "nessus", "title": "Debian DSA-5191-1 : linux - security update", "bulletinFamily": "scanner", "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, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-33655", "CVE-2022-2318", "CVE-2022-26365", "CVE-2022-32250", "CVE-2022-33740", "CVE-2022-33741", "CVE-2022-33742", "CVE-2022-33743", "CVE-2022-33744", "CVE-2022-34918"], "modified": "2023-01-13T00:00:00", "cpe": ["p-cpe:/a:debian:debian_linux:affs-modules-5.10.0-13-4kc-malta-di", "p-cpe:/a:debian:debian_linux:affs-modules-5.10.0-13-5kc-malta-di", "p-cpe:/a:debian:debian_linux:affs-modules-5.10.0-13-loongson-3-di", "p-cpe:/a:debian:debian_linux:affs-modules-5.10.0-13-octeon-di", "p-cpe:/a:debian:debian_linux:affs-modules-5.10.0-16-4kc-malta-di", "p-cpe:/a:debian:debian_linux:affs-modules-5.10.0-16-5kc-malta-di", "p-cpe:/a:debian:debian_linux:affs-modules-5.10.0-16-loongson-3-di", "p-cpe:/a:debian:debian_linux:affs-modules-5.10.0-16-octeon-di", 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(CVE-2021-33655)\n\n - There are use-after-free vulnerabilities caused by timer handler in net/rose/rose_timer.c of linux that\n allow attackers to crash linux kernel without any privileges. (CVE-2022-2318)\n\n - Linux disk/nic frontends data leaks T[his CNA information record relates to multiple CVEs; the text\n explains which aspects/vulnerabilities correspond to which CVE.] Linux Block and Network PV device\n frontends don't zero memory regions before sharing them with the backend (CVE-2022-26365, CVE-2022-33740).\n Additionally the granularity of the grant table doesn't allow sharing less than a 4K page, leading to\n unrelated data residing in the same 4K page as data shared with a backend being accessible by such backend\n (CVE-2022-33741, CVE-2022-33742). 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Ethernet Controllers and Adapters may allow an authenticated user to potentially enable denial of service via local access. (CVE-2021-33061)\n\n - When sending malicous data to kernel by ioctl cmd FBIOPUT_VSCREENINFO,kernel will write memory out of bounds. (CVE-2021-33655)\n\n - A memory leak problem was found in the TCP source port generation algorithm in net/ipv4/tcp.c due to the small table perturb size. This flaw may allow an attacker to information leak and may cause a denial of service problem. (CVE-2022-1012)\n\n - A race condition was found the Linux kernel in perf_event_open() which can be exploited by an unprivileged user to gain root privileges. The bug allows to build several exploit primitives such as kernel address information leak, arbitrary execution, etc. (CVE-2022-1729)\n\n - A NULL pointer dereference flaw was found in the Linux kernel's KVM module, which can lead to a denial of service in the x86_emulate_insn in arch/x86/kvm/emulate.c. This flaw occurs while executing an illegal instruction in guest in the Intel CPU. (CVE-2022-1852)\n\n - A flaw out of bounds memory write in the Linux kernel UDF file system functionality was found in the way user triggers some file operation which triggers udf_write_fi(). A local user could use this flaw to crash the system or potentially (CVE-2022-1943)\n\n - A use-after-free flaw was found in the Linux kernel in log_replay in fs/ntfs3/fslog.c in the NTFS journal.\n This flaw allows a local attacker to crash the system and leads to a kernel information leak problem.\n (CVE-2022-1973)\n\n - There are use-after-free vulnerabilities caused by timer handler in net/rose/rose_timer.c of linux that allow attackers to crash linux kernel without any privileges. (CVE-2022-2318)\n\n - Dm-verity is used for extending root-of-trust to root filesystems. LoadPin builds on this property to restrict module/firmware loads to just the trusted root filesystem. Device-mapper table reloads currently allow users with root privileges to switch out the target with an equivalent dm-linear target and bypass verification till reboot. This allows root to bypass LoadPin and can be used to load untrusted and unverified kernel modules and firmware, which implies arbitrary kernel execution and persistence for peripherals that do not verify firmware updates. We recommend upgrading past commit 4caae58406f8ceb741603eee460d79bacca9b1b5 (CVE-2022-2503)\n\n - An out-of-bounds memory access flaw was found in the Linux kernel Intel's iSMT SMBus host controller driver in the way a user triggers the I2C_SMBUS_BLOCK_DATA (with the ioctl I2C_SMBUS) with malicious input data. This flaw allows a local user to crash the system. (CVE-2022-2873)\n\n - A race condition was found in the Linux kernel's watch queue due to a missing lock in pipe_resize_ring().\n The specific flaw exists within the handling of pipe buffers. The issue results from the lack of proper locking when performing operations on an object. This flaw allows a local user to crash the system or escalate their privileges on the system. (CVE-2022-2959)\n\n - Linux disk/nic frontends data leaks T[his CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE.] Linux Block and Network PV device frontends don't zero memory regions before sharing them with the backend (CVE-2022-26365, CVE-2022-33740).\n Additionally the granularity of the grant table doesn't allow sharing less than a 4K page, leading to unrelated data residing in the same 4K page as data shared with a backend being accessible by such backend (CVE-2022-33741, CVE-2022-33742). (CVE-2022-26365, CVE-2022-33740, CVE-2022-33741, CVE-2022-33742)\n\n - The Linux kernel before 5.17.9 allows TCP servers to identify clients by observing what source ports are used. (CVE-2022-32296)\n\n - network backend may cause Linux netfront to use freed SKBs While adding logic to support XDP (eXpress Data Path), a code label was moved in a way allowing for SKBs having references (pointers) retained for further processing to nevertheless be freed. (CVE-2022-33743)\n\n - Arm guests can cause Dom0 DoS via PV devices When mapping pages of guests on Arm, dom0 is using an rbtree to keep track of the foreign mappings. Updating of that rbtree is not always done completely with the related lock held, resulting in a small race window, which can be used by unprivileged guests via PV devices to cause inconsistencies of the rbtree. These inconsistencies can lead to Denial of Service (DoS) of dom0, e.g. by causing crashes or the inability to perform further mappings of other guests' memory pages. (CVE-2022-33744)\n\n - rpmsg_virtio_add_ctrl_dev in drivers/rpmsg/virtio_rpmsg_bus.c in the Linux kernel before 5.18.4 has a double free. (CVE-2022-34494)\n\n - rpmsg_probe in drivers/rpmsg/virtio_rpmsg_bus.c in the Linux kernel before 5.18.4 has a double free.\n (CVE-2022-34495)\n\n - nfqnl_mangle in net/netfilter/nfnetlink_queue.c in the Linux kernel through 5.18.14 allows remote attackers to cause a denial of service (panic) because, in the case of an nf_queue verdict with a one-byte nfta_payload attribute, an skb_pull can encounter a negative skb->len. 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(CVE-2021-33061)\n\n - When sending malicous data to kernel by ioctl cmd FBIOPUT_VSCREENINFO,kernel will write memory out of\n bounds. (CVE-2021-33655)\n\n - A memory leak problem was found in the TCP source port generation algorithm in net/ipv4/tcp.c due to the\n small table perturb size. This flaw may allow an attacker to information leak and may cause a denial of\n service problem. (CVE-2022-1012)\n\n - A race condition was found the Linux kernel in perf_event_open() which can be exploited by an unprivileged\n user to gain root privileges. The bug allows to build several exploit primitives such as kernel address\n information leak, arbitrary execution, etc. (CVE-2022-1729)\n\n - A NULL pointer dereference flaw was found in the Linux kernel's KVM module, which can lead to a denial of\n service in the x86_emulate_insn in arch/x86/kvm/emulate.c. This flaw occurs while executing an illegal\n instruction in guest in the Intel CPU. 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Device-mapper table reloads currently\n allow users with root privileges to switch out the target with an equivalent dm-linear target and bypass\n verification till reboot. This allows root to bypass LoadPin and can be used to load untrusted and\n unverified kernel modules and firmware, which implies arbitrary kernel execution and persistence for\n peripherals that do not verify firmware updates. We recommend upgrading past commit\n 4caae58406f8ceb741603eee460d79bacca9b1b5 (CVE-2022-2503)\n\n - An out-of-bounds memory access flaw was found in the Linux kernel Intel's iSMT SMBus host controller\n driver in the way a user triggers the I2C_SMBUS_BLOCK_DATA (with the ioctl I2C_SMBUS) with malicious input\n data. This flaw allows a local user to crash the system. (CVE-2022-2873)\n\n - A race condition was found in the Linux kernel's watch queue due to a missing lock in pipe_resize_ring().\n The specific flaw exists within the handling of pipe buffers. The issue results from the lack of proper\n locking when performing operations on an object. This flaw allows a local user to crash the system or\n escalate their privileges on the system. (CVE-2022-2959)\n\n - Linux disk/nic frontends data leaks T[his CNA information record relates to multiple CVEs; the text\n explains which aspects/vulnerabilities correspond to which CVE.] Linux Block and Network PV device\n frontends don't zero memory regions before sharing them with the backend (CVE-2022-26365, CVE-2022-33740).\n Additionally the granularity of the grant table doesn't allow sharing less than a 4K page, leading to\n unrelated data residing in the same 4K page as data shared with a backend being accessible by such backend\n (CVE-2022-33741, CVE-2022-33742). (CVE-2022-26365, CVE-2022-33740, CVE-2022-33741, CVE-2022-33742)\n\n - The Linux kernel before 5.17.9 allows TCP servers to identify clients by observing what source ports are\n used. (CVE-2022-32296)\n\n - network backend may cause Linux netfront to use freed SKBs While adding logic to support XDP (eXpress Data\n Path), a code label was moved in a way allowing for SKBs having references (pointers) retained for further\n processing to nevertheless be freed. (CVE-2022-33743)\n\n - Arm guests can cause Dom0 DoS via PV devices When mapping pages of guests on Arm, dom0 is using an rbtree\n to keep track of the foreign mappings. Updating of that rbtree is not always done completely with the\n related lock held, resulting in a small race window, which can be used by unprivileged guests via PV\n devices to cause inconsistencies of the rbtree. These inconsistencies can lead to Denial of Service (DoS)\n of dom0, e.g. by causing crashes or the inability to perform further mappings of other guests' memory\n pages. (CVE-2022-33744)\n\n - rpmsg_virtio_add_ctrl_dev in drivers/rpmsg/virtio_rpmsg_bus.c in the Linux kernel before 5.18.4 has a\n double free. 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get_kb_item('Host/local_checks_enabled') ) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);\nvar release = get_kb_item('Host/Ubuntu/release');\nif ( isnull(release) ) audit(AUDIT_OS_NOT, 'Ubuntu');\nvar release = chomp(release);\nif (! preg(pattern:\"^(20\\.04)$\", string:release)) audit(AUDIT_OS_NOT, 'Ubuntu 20.04', 'Ubuntu ' + release);\nif ( ! get_kb_item('Host/Debian/dpkg-l') ) audit(AUDIT_PACKAGE_LIST_MISSING);\n\nvar cpu = get_kb_item('Host/cpu');\nif (isnull(cpu)) audit(AUDIT_UNKNOWN_ARCH);\nif ('x86_64' >!< cpu && cpu !~ \"^i[3-6]86$\" && 's390' >!< cpu && 'aarch64' >!< cpu) audit(AUDIT_LOCAL_CHECKS_NOT_IMPLEMENTED, 'Ubuntu', cpu);\n\nvar machine_kernel_release = get_kb_item_or_exit('Host/uname-r');\nif (machine_kernel_release)\n{\n if (! preg(pattern:\"^(5.15.0-\\d{2}-(generic|generic-64k|generic-lpae|lowlatency|lowlatency-64k))$\", string:machine_kernel_release)) audit(AUDIT_INST_VER_NOT_VULN, 'kernel ' + machine_kernel_release);\n var extra = '';\n var kernel_mappings = {\n \"5.15.0-\\d{2}-(generic|generic-64k|generic-lpae|lowlatency|lowlatency-64k)\" : \"5.15.0-48\"\n };\n var trimmed_kernel_release = ereg_replace(string:machine_kernel_release, pattern:\"(-\\D+)$\", replace:'');\n foreach var kernel_regex (keys(kernel_mappings)) {\n if (preg(pattern:kernel_regex, string:machine_kernel_release)) {\n if (deb_ver_cmp(ver1:trimmed_kernel_release, ver2:kernel_mappings[kernel_regex]) < 0)\n {\n extra = extra + 'Running Kernel level of ' + trimmed_kernel_release + ' does not meet the minimum fixed level of ' + kernel_mappings[kernel_regex] + ' for this advisory.\\n\\n';\n }\n else\n {\n audit(AUDIT_PATCH_INSTALLED, 'Kernel package for USN-5623-1');\n }\n }\n }\n}\n\nif (get_one_kb_item('Host/ksplice/kernel-cves'))\n{\n var cve_list = make_list('CVE-2021-33061', 'CVE-2021-33655', 'CVE-2022-1012', 'CVE-2022-1729', 'CVE-2022-1852', 'CVE-2022-1943', 'CVE-2022-1973', 'CVE-2022-2318', 'CVE-2022-2503', 'CVE-2022-2873', 'CVE-2022-2959', 'CVE-2022-26365', 'CVE-2022-32296', 'CVE-2022-33740', 'CVE-2022-33741', 'CVE-2022-33742', 'CVE-2022-33743', 'CVE-2022-33744', 'CVE-2022-34494', 'CVE-2022-34495', 'CVE-2022-36946');\n if (ksplice_cves_check(cve_list))\n {\n audit(AUDIT_PATCH_INSTALLED, 'KSplice hotfix for USN-5623-1');\n }\n else\n {\n extra = extra + ksplice_reporting_text();\n }\n}\nif (extra) {\n security_report_v4(\n port : 0,\n severity : SECURITY_HOLE,\n extra : extra\n );\n exit(0);\n}\n", "cvss": {"score": 7.2, "vector": "AV:L/AC:L/Au:N/C:C/I:C/A:C"}}, {"lastseen": "2023-03-10T19:22:15", "description": "The remote SUSE Linux SLES12 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2022:2840-1 advisory.\n\n - In the Linux kernel 4.4 through 5.7.6, usbtest_disconnect in drivers/usb/misc/usbtest.c has a memory leak, aka CID-28ebeb8db770. (CVE-2020-15393)\n\n - A race condition in the Linux kernel before 5.6.2 between the VT_DISALLOCATE ioctl and closing/opening of ttys could lead to a use-after-free. (CVE-2020-36557)\n\n - A race condition in the Linux kernel before 5.5.7 involving VT_RESIZEX could lead to a NULL pointer dereference and general protection fault. (CVE-2020-36558)\n\n - When sending malicous data to kernel by ioctl cmd FBIOPUT_VSCREENINFO,kernel will write memory out of bounds. (CVE-2021-33655)\n\n - When setting font with malicous data by ioctl cmd PIO_FONT,kernel will write memory out of bounds.\n (CVE-2021-33656)\n\n - Product: AndroidVersions: Android kernelAndroid ID: A-173788806References: Upstream kernel (CVE-2021-39713)\n\n - An out-of-bounds read flaw was found in the Linux kernel's TeleTYpe subsystem. The issue occurs in how a user triggers a race condition using ioctls TIOCSPTLCK and TIOCGPTPEER and TIOCSTI and TCXONC with leakage of memory in the flush_to_ldisc function. This flaw allows a local user to crash the system or read unauthorized random data from memory. (CVE-2022-1462)\n\n - In various methods of kernel base drivers, there is a possible out of bounds write due to a heap buffer overflow. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID:\n A-182388481References: Upstream kernel (CVE-2022-20166)\n\n - There are use-after-free vulnerabilities caused by timer handler in net/rose/rose_timer.c of linux that allow attackers to crash linux kernel without any privileges. (CVE-2022-2318)\n\n - Linux disk/nic frontends data leaks T[his CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE.] Linux Block and Network PV device frontends don't zero memory regions before sharing them with the backend (CVE-2022-26365, CVE-2022-33740).\n Additionally the granularity of the grant table doesn't allow sharing less than a 4K page, leading to unrelated data residing in the same 4K page as data shared with a backend being accessible by such backend (CVE-2022-33741, CVE-2022-33742). (CVE-2022-26365, CVE-2022-33740, CVE-2022-33741, CVE-2022-33742)\n\n - nfqnl_mangle in net/netfilter/nfnetlink_queue.c in the Linux kernel through 5.18.14 allows remote attackers to cause a denial of service (panic) because, in the case of an nf_queue verdict with a one-byte nfta_payload attribute, an skb_pull can encounter a negative skb->len. 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