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CVE-2016-2069

Status Candidate

Overview

Race condition in arch/x86/mm/tlb.c in the Linux kernel before 4.4.1 allows local users to gain privileges by triggering access to a paging structure by a different CPU.

Related Files

Red Hat Security Advisory 2017-0817-01
Posted Mar 21, 2017
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2017-0817-01 - The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix: It was discovered that a remote attacker could leverage the generation of IPv6 atomic fragments to trigger the use of fragmentation in an arbitrary IPv6 flow and could subsequently perform any type of a fragmentation-based attack against legacy IPv6 nodes that do not implement RFC6946.

tags | advisory, remote, arbitrary, kernel
systems | linux, redhat
advisories | CVE-2016-10088, CVE-2016-10142, CVE-2016-2069, CVE-2016-2384, CVE-2016-6480, CVE-2016-7042, CVE-2016-7097, CVE-2016-8399, CVE-2016-9576
SHA-256 | 597c633d164dd5b659055724a7f94dfa6104bd1ddf58babc8fd4e61d37290908
Red Hat Security Advisory 2016-2584-02
Posted Nov 3, 2016
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2016-2584-02 - The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements. Security Fix: It was found that the Linux kernel's IPv6 implementation mishandled socket options. A local attacker could abuse concurrent access to the socket options to escalate their privileges, or cause a denial of service via a crafted sendmsg system call.

tags | advisory, denial of service, kernel, local
systems | linux, redhat
advisories | CVE-2013-4312, CVE-2015-8374, CVE-2015-8543, CVE-2015-8746, CVE-2015-8812, CVE-2015-8844, CVE-2015-8845, CVE-2015-8956, CVE-2016-2053, CVE-2016-2069, CVE-2016-2117, CVE-2016-2384, CVE-2016-2847, CVE-2016-3070, CVE-2016-3156, CVE-2016-3699, CVE-2016-3841, CVE-2016-4569, CVE-2016-4578, CVE-2016-4581, CVE-2016-4794, CVE-2016-5829, CVE-2016-6136, CVE-2016-6198, CVE-2016-6327, CVE-2016-6480
SHA-256 | 88a2bd8c0f30988120dd0ca735846a15c63a1e9c06edc72ce61959751724fbc4
Red Hat Security Advisory 2016-2574-02
Posted Nov 3, 2016
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2016-2574-02 - The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix: It was found that the Linux kernel's IPv6 implementation mishandled socket options. A local attacker could abuse concurrent access to the socket options to escalate their privileges, or cause a denial of service via a crafted sendmsg system call.

tags | advisory, denial of service, kernel, local
systems | linux, redhat
advisories | CVE-2013-4312, CVE-2015-8374, CVE-2015-8543, CVE-2015-8746, CVE-2015-8812, CVE-2015-8844, CVE-2015-8845, CVE-2015-8956, CVE-2016-2053, CVE-2016-2069, CVE-2016-2117, CVE-2016-2384, CVE-2016-2847, CVE-2016-3070, CVE-2016-3156, CVE-2016-3699, CVE-2016-3841, CVE-2016-4569, CVE-2016-4578, CVE-2016-4581, CVE-2016-4794, CVE-2016-5412, CVE-2016-5828, CVE-2016-5829, CVE-2016-6136, CVE-2016-6198, CVE-2016-6327, CVE-2016-6480
SHA-256 | a58b7b5d58e92d5a084026c53f5461e431441e86891787922c799b50ae4376ed
Ubuntu Security Notice USN-2998-1
Posted Jun 10, 2016
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 2998-1 - Justin Yackoski discovered that the Atheros L2 Ethernet Driver in the Linux kernel incorrectly enables scatter/gather I/O. A remote attacker could use this to obtain potentially sensitive information from kernel memory. Jann Horn discovered that eCryptfs improperly attempted to use the mmap() handler of a lower filesystem that did not implement one, causing a recursive page fault to occur. A local unprivileged attacker could use to cause a denial of service (system crash) or possibly execute arbitrary code with administrative privileges. Various other issues were also addressed.

tags | advisory, remote, denial of service, arbitrary, kernel, local
systems | linux, ubuntu
advisories | CVE-2015-4004, CVE-2016-1583, CVE-2016-2069, CVE-2016-2117, CVE-2016-2187, CVE-2016-3672, CVE-2016-3951, CVE-2016-3955, CVE-2016-4485, CVE-2016-4486, CVE-2016-4581
SHA-256 | 6ac8e40a1a58889071f681c070f97687fbc0499845baf46496f6035c2db81bc6
Ubuntu Security Notice USN-2989-1
Posted Jun 1, 2016
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 2989-1 - Justin Yackoski discovered that the Atheros L2 Ethernet Driver in the Linux kernel incorrectly enables scatter/gather I/O. A remote attacker could use this to obtain potentially sensitive information from kernel memory. Jason A. Donenfeld discovered multiple out-of-bounds reads in the OZMO USB over wifi device drivers in the Linux kernel. A remote attacker could use this to cause a denial of service (system crash) or obtain potentially sensitive information from kernel memory. Various other issues were also addressed.

tags | advisory, remote, denial of service, kernel
systems | linux, ubuntu
advisories | CVE-2015-4004, CVE-2016-2069, CVE-2016-2117, CVE-2016-2187, CVE-2016-3672, CVE-2016-3951, CVE-2016-3955, CVE-2016-4485, CVE-2016-4486, CVE-2016-4581
SHA-256 | 176f40d6b9ca149610db188404fb65b5dd57970bcbf0fa0ce08d2db323c1cc4d
Ubuntu Security Notice USN-2932-1
Posted Mar 14, 2016
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 2932-1 - Ben Hawkes discovered that the Linux netfilter implementation did not correctly perform validation when handling IPT_SO_SET_REPLACE events. A local unprivileged attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code with administrative privileges. It was discovered that the Linux kernel did not properly enforce rlimits for file descriptors sent over UNIX domain sockets. A local attacker could use this to cause a denial of service. Various other issues were also addressed.

tags | advisory, denial of service, arbitrary, kernel, local
systems | linux, unix, ubuntu
advisories | CVE-2013-4312, CVE-2015-7566, CVE-2015-7833, CVE-2015-8767, CVE-2016-0723, CVE-2016-2069, CVE-2016-2384, CVE-2016-2543, CVE-2016-2544, CVE-2016-2545, CVE-2016-2546, CVE-2016-2547, CVE-2016-2548, CVE-2016-2549, CVE-2016-2782, CVE-2016-3134
SHA-256 | 421e9b597b70eb12baf1034ebec4b0f03c77c60ff4b5609c4b1772fba3fc09e2
Ubuntu Security Notice USN-2931-1
Posted Mar 14, 2016
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 2931-1 - Ben Hawkes discovered that the Linux netfilter implementation did not correctly perform validation when handling IPT_SO_SET_REPLACE events. A local unprivileged attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code with administrative privileges. It was discovered that the Linux kernel did not properly enforce rlimits for file descriptors sent over UNIX domain sockets. A local attacker could use this to cause a denial of service. Various other issues were also addressed.

tags | advisory, denial of service, arbitrary, kernel, local
systems | linux, unix, ubuntu
advisories | CVE-2013-4312, CVE-2015-8767, CVE-2016-2069, CVE-2016-2384, CVE-2016-2543, CVE-2016-2544, CVE-2016-2545, CVE-2016-2546, CVE-2016-2547, CVE-2016-2548, CVE-2016-2549, CVE-2016-3134
SHA-256 | 6bc8eb0e863f5ff313e1303d61fb180c1611348de244e844ea6a7c11d6d95665
Debian Security Advisory 3503-1
Posted Mar 4, 2016
Authored by Debian | Site debian.org

Debian Linux Security Advisory 3503-1 - Several vulnerabilities have been discovered in the Linux kernel that may lead to a privilege escalation, denial of service, information leak or data loss.

tags | advisory, denial of service, kernel, vulnerability
systems | linux, debian
advisories | CVE-2013-4312, CVE-2015-7566, CVE-2015-8767, CVE-2015-8785, CVE-2015-8812, CVE-2015-8816, CVE-2015-8830, CVE-2016-0723, CVE-2016-0774, CVE-2016-2069, CVE-2016-2384, CVE-2016-2543, CVE-2016-2544, CVE-2016-2545, CVE-2016-2546, CVE-2016-2547, CVE-2016-2548, CVE-2016-2549, CVE-2016-2550
SHA-256 | 25d671ba26bfc929fa9034f00895f1f88acf0c87420ac9187d367f3130e8b078
Ubuntu Security Notice USN-2908-5
Posted Feb 27, 2016
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 2908-5 - USN-2908-2 fixed vulnerabilities in the Ubuntu 15.10 Linux kernel backported to Ubuntu 14.04 LTS. An incorrect locking fix caused a regression that broke graphics displays for Ubuntu 14.04 LTS guests running the Ubuntu 15.10 backport kernel within VMWare virtual machines. This update fixes the problem. Various other issues were also addressed.

tags | advisory, kernel, vulnerability
systems | linux, ubuntu
advisories | CVE-2013-4312, CVE-2015-8785, CVE-2016-1575, CVE-2016-1576, CVE-2016-2069
SHA-256 | 5e10ec647672807200c174c55a66cdcc9b1b8e1775c7a5dfb35815b6935f9d01
Ubuntu Security Notice USN-2908-4
Posted Feb 27, 2016
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 2908-4 - USN-2908-1 fixed vulnerabilities in the Linux kernel for Ubuntu 15.10. An incorrect locking fix caused a regression that broke graphics displays for Ubuntu 15.10 guests running within VMWare virtual machines. This update fixes the problem. Various other issues were also addressed.

tags | advisory, kernel, vulnerability
systems | linux, ubuntu
advisories | CVE-2013-4312, CVE-2015-8785, CVE-2016-1575, CVE-2016-1576, CVE-2016-2069
SHA-256 | 2ae3612b5f8c1f000a29250f123157f70e9d98b5ff013458912d9c9b43f07b03
Ubuntu Security Notice USN-2908-2
Posted Feb 23, 2016
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 2908-2 - halfdog discovered that OverlayFS, when mounting on top of a FUSE mount, incorrectly propagated file attributes, including setuid. A local unprivileged attacker could use this to gain privileges. halfdog discovered that OverlayFS in the Linux kernel incorrectly propagated security sensitive extended attributes, such as POSIX ACLs. A local unprivileged attacker could use this to gain privileges. Various other issues were also addressed.

tags | advisory, kernel, local
systems | linux, osx, ubuntu
advisories | CVE-2013-4312, CVE-2015-8785, CVE-2016-1575, CVE-2016-1576, CVE-2016-2069
SHA-256 | 3bd3447a7566b4ddafb9950b75297f97dfae5f898ad9d051beef16b3a2597662
Ubuntu Security Notice USN-2908-3
Posted Feb 23, 2016
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 2908-3 - halfdog discovered that OverlayFS, when mounting on top of a FUSE mount, incorrectly propagated file attributes, including setuid. A local unprivileged attacker could use this to gain privileges. halfdog discovered that OverlayFS in the Linux kernel incorrectly propagated security sensitive extended attributes, such as POSIX ACLs. A local unprivileged attacker could use this to gain privileges. Various other issues were also addressed.

tags | advisory, kernel, local
systems | linux, osx, ubuntu
advisories | CVE-2013-4312, CVE-2015-8785, CVE-2016-1575, CVE-2016-1576, CVE-2016-2069
SHA-256 | 8716f9dfa5387ac6e3e6ff94510d7161d98367b8036548e12a2e1d81732e1f1c
Ubuntu Security Notice USN-2908-1
Posted Feb 23, 2016
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 2908-1 - halfdog discovered that OverlayFS, when mounting on top of a FUSE mount, incorrectly propagated file attributes, including setuid. A local unprivileged attacker could use this to gain privileges. halfdog discovered that OverlayFS in the Linux kernel incorrectly propagated security sensitive extended attributes, such as POSIX ACLs. A local unprivileged attacker could use this to gain privileges. Various other issues were also addressed.

tags | advisory, kernel, local
systems | linux, osx, ubuntu
advisories | CVE-2013-4312, CVE-2015-8785, CVE-2016-1575, CVE-2016-1576, CVE-2016-2069
SHA-256 | 07596e6ec12eeb907c4ab0d2cdc1c2ab789da78a8039e9d891d2a3f13f37c5f4
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