This update is based on upstream 4.4.36 and fixes at least the following security issues: The TCP stack in the Linux kernel before 4.8.10 mishandles skb truncation, which allows local users to cause a denial of service (system crash) via a crafted application that makes sendto system calls, related to net/ipv4/tcp_ipv4.c and net/ipv6/tcp_ipv6.c (CVE-2016-8645). The mpi_powm function in lib/mpi/mpi-pow.c in the Linux kernel through 4.8.11 does not ensure that memory is allocated for limb data, which allows local users to cause a denial of service (stack memory corruption and panic) via an add_key system call for an RSA key with a zero exponent (CVE-2016-8650). A race condition issue leading to a use-after-free flaw was found in the way the raw packet sockets implementation in the Linux kernel networking subsystem handled synchronization while creating the TPACKET_V3 ring buffer. A local user able to open a raw packet socket (requires the CAP_NET_RAW capability) could use this flaw to elevate their privileges on the system (CVE-2016-8655). Linux kernel built with the Kernel-based Virtual Machine(CONFIG_KVM) support is vulnerable to an information leakage issue. It could occur on x86 platform, while emulating instructions in 32bit mode. A user/process could use this flaw to leak host kernel memory bytes (CVE-2016-9756). A bug in SO_{SND|RCV}BUFFORCE setsockopt() implementation allows CAP_NET_ADMIN users to set negative sk_sndbuf or sk_rcvbuf values. A user could use this flaw to cause various memory corruptions, crashes and OOM (CVE-2016-9793). For other fixes in this update, see the referenced changelogs.
{"id": "MGASA-2016-0415", "vendorId": null, "type": "mageia", "bulletinFamily": "unix", "title": "Updated kernel packages fixes security vulnerabilities\n", "description": "This update is based on upstream 4.4.36 and fixes at least the following security issues: The TCP stack in the Linux kernel before 4.8.10 mishandles skb truncation, which allows local users to cause a denial of service (system crash) via a crafted application that makes sendto system calls, related to net/ipv4/tcp_ipv4.c and net/ipv6/tcp_ipv6.c (CVE-2016-8645). The mpi_powm function in lib/mpi/mpi-pow.c in the Linux kernel through 4.8.11 does not ensure that memory is allocated for limb data, which allows local users to cause a denial of service (stack memory corruption and panic) via an add_key system call for an RSA key with a zero exponent (CVE-2016-8650). A race condition issue leading to a use-after-free flaw was found in the way the raw packet sockets implementation in the Linux kernel networking subsystem handled synchronization while creating the TPACKET_V3 ring buffer. A local user able to open a raw packet socket (requires the CAP_NET_RAW capability) could use this flaw to elevate their privileges on the system (CVE-2016-8655). Linux kernel built with the Kernel-based Virtual Machine(CONFIG_KVM) support is vulnerable to an information leakage issue. It could occur on x86 platform, while emulating instructions in 32bit mode. A user/process could use this flaw to leak host kernel memory bytes (CVE-2016-9756). A bug in SO_{SND|RCV}BUFFORCE setsockopt() implementation allows CAP_NET_ADMIN users to set negative sk_sndbuf or sk_rcvbuf values. A user could use this flaw to cause various memory corruptions, crashes and OOM (CVE-2016-9793). For other fixes in this update, see the referenced changelogs. \n", "published": "2016-12-08T07:33:24", "modified": "2016-12-08T07:33:24", "cvss": {"score": 7.2, "vector": "AV:L/AC:L/Au:N/C:C/I:C/A:C"}, "cvss2": {"cvssV2": {"version": "2.0", "vectorString": "AV:L/AC:L/Au:N/C:C/I:C/A:C", "accessVector": "LOCAL", "accessComplexity": "LOW", "authentication": "NONE", "confidentialityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "availabilityImpact": "COMPLETE", "baseScore": 7.2}, "severity": "HIGH", "exploitabilityScore": 3.9, "impactScore": 10.0, "obtainAllPrivilege": false, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}, "cvss3": {"cvssV3": {"version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "attackVector": "LOCAL", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH"}, "exploitabilityScore": 1.8, "impactScore": 5.9}, "href": "https://advisories.mageia.org/MGASA-2016-0415.html", "reporter": "Gentoo Foundation", "references": ["https://bugs.mageia.org/show_bug.cgi?id=19906", "https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.4.33", "https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.4.34", "https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.4.35", "https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.4.36"], "cvelist": ["CVE-2016-8645", "CVE-2016-8650", "CVE-2016-8655", "CVE-2016-9756", "CVE-2016-9793"], "immutableFields": [], "lastseen": "2023-01-18T00:17:41", "viewCount": 10, "enchantments": {"score": {"value": 3.8, "vector": "NONE"}, "dependencies": {"references": [{"type": "amazon", "idList": ["ALAS-2016-772", "ALAS-2017-782"]}, {"type": "androidsecurity", "idList": ["ANDROID:2017-03-01"]}, {"type": "archlinux", "idList": ["ASA-201612-5", "ASA-201612-6", "ASA-201612-7", 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"idList": ["1337DAY-ID-26493", "1337DAY-ID-27764", "1337DAY-ID-30429", "1337DAY-ID-33037"]}]}, "vulnersScore": 3.8}, "_state": {"dependencies": 1674001089, "score": 1674001095}, "_internal": {"score_hash": "096f184c2a24551709a4ece01a18b41a"}, "affectedPackage": [{"OS": "Mageia", "OSVersion": "5", "arch": "noarch", "packageVersion": "4.4.36-2", "operator": "lt", "packageFilename": "kernel-4.4.36-2.mga5", "packageName": "kernel"}, {"OS": "Mageia", "OSVersion": "5", "arch": "noarch", "packageVersion": "4.4.36-2", "operator": "lt", "packageFilename": "kernel-userspace-headers-4.4.36-2.mga5", "packageName": "kernel-userspace-headers"}, {"OS": "Mageia", "OSVersion": "5", "arch": "noarch", "packageVersion": "5.1.10-2.1", "operator": "lt", "packageFilename": "kmod-vboxadditions-5.1.10-2.1.mga5", "packageName": "kmod-vboxadditions"}, {"OS": "Mageia", "OSVersion": "5", "arch": "noarch", "packageVersion": "5.1.10-2.1", "operator": "lt", "packageFilename": "kmod-virtualbox-5.1.10-2.1.mga5", 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{"mageia": [{"lastseen": "2023-01-18T00:17:41", "description": "This update is based on upstream 4.4.39 and fixes at least the following security issues: Due to lack of size checking on ICMP header length, it is possible to cause out-of-bounds read on stack (CVE-2016-8399) The TCP stack in the Linux kernel before 4.8.10 mishandles skb truncation, which allows local users to cause a denial of service (system crash) via a crafted application that makes sendto system calls, related to net/ipv4/tcp_ipv4.c and net/ipv6/tcp_ipv6.c (CVE-2016-8645). The mpi_powm function in lib/mpi/mpi-pow.c in the Linux kernel through 4.8.11 does not ensure that memory is allocated for limb data, which allows local users to cause a denial of service (stack memory corruption and panic) via an add_key system call for an RSA key with a zero exponent (CVE-2016-8650). A race condition issue leading to a use-after-free flaw was found in the way the raw packet sockets implementation in the Linux kernel networking subsystem handled synchronization while creating the TPACKET_V3 ring buffer. A local user able to open a raw packet socket (requires the CAP_NET_RAW capability) could use this flaw to elevate their privileges on the system (CVE-2016-8655). A use-after-free vulnerability in the SCSI generic driver allows users with write access to /dev/sg* or /dev/bsg* to elevate their privileges (CVE-2016-9576). Linux kernel built with the Kernel-based Virtual Machine(CONFIG_KVM) support is vulnerable to an information leakage issue. It could occur on x86 platform, while emulating instructions in 32bit mode. A user/process could use this flaw to leak host kernel memory bytes (CVE-2016-9756). A bug in SO_{SND|RCV}BUFFORCE setsockopt() implementation allows CAP_NET_ADMIN users to set negative sk_sndbuf or sk_rcvbuf values. 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Updated kernel packages fixes security vulnerabilities
