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CVE-2017-6001

Status Candidate

Overview

Race condition in kernel/events/core.c in the Linux kernel before 4.9.7 allows local users to gain privileges via a crafted application that makes concurrent perf_event_open system calls for moving a software group into a hardware context. NOTE: this vulnerability exists because of an incomplete fix for CVE-2016-6786.

Related Files

Red Hat Security Advisory 2018-1854-01
Posted Jun 19, 2018
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2018-1854-01 - The kernel packages contain the Linux kernel, the core of any Linux operating system. Issues addressed include bypass, denial of service, and null pointer vulnerabilities.

tags | advisory, denial of service, kernel, vulnerability
systems | linux, redhat
advisories | CVE-2012-6701, CVE-2015-8830, CVE-2016-8650, CVE-2017-12190, CVE-2017-15121, CVE-2017-18203, CVE-2017-2671, CVE-2017-6001, CVE-2017-7308, CVE-2017-7616, CVE-2017-7889, CVE-2017-8890, CVE-2017-9075, CVE-2017-9076, CVE-2017-9077, CVE-2018-1130, CVE-2018-3639, CVE-2018-5803
SHA-256 | faa3521cba5ea132c14cf1c7356833641996e0d6d030838eba24714f4f797c11
Red Hat Security Advisory 2017-2669-01
Posted Sep 6, 2017
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2017-2669-01 - The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements. Security Fix: A race condition was found in the Linux kernel, present since v3.14-rc1 through v4.12. The race happens between threads of inotify_handle_event() and vfs_rename() while running the rename operation against the same file. As a result of the race the next slab data or the slab's free list pointer can be corrupted with attacker-controlled data, which may lead to the privilege escalation.

tags | advisory, kernel
systems | linux, redhat
advisories | CVE-2015-8839, CVE-2016-10088, CVE-2016-7042, CVE-2016-7097, CVE-2016-8645, CVE-2016-9576, CVE-2016-9604, CVE-2016-9685, CVE-2016-9806, CVE-2017-2671, CVE-2017-5970, CVE-2017-6001, CVE-2017-6951, CVE-2017-7187, CVE-2017-7533, CVE-2017-7889, CVE-2017-8797, CVE-2017-8890, CVE-2017-9074, CVE-2017-9075, CVE-2017-9076, CVE-2017-9077
SHA-256 | e48d45b3299e25794baf01efaba70783d2cc37c96df4e1cb6cd794ff41e25ad0
Red Hat Security Advisory 2017-1842-01
Posted Aug 2, 2017
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2017-1842-01 - The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix: An use-after-free flaw was found in the Linux kernel which enables a race condition in the L2TPv3 IP Encapsulation feature. A local user could use this flaw to escalate their privileges or crash the system. A flaw was found that can be triggered in keyring_search_iterator in keyring.c if type->match is NULL. A local user could use this flaw to crash the system or, potentially, escalate their privileges.

tags | advisory, kernel, local
systems | linux, redhat
advisories | CVE-2014-7970, CVE-2014-7975, CVE-2015-8839, CVE-2015-8970, CVE-2016-10088, CVE-2016-10147, CVE-2016-10200, CVE-2016-6213, CVE-2016-7042, CVE-2016-7097, CVE-2016-8645, CVE-2016-9576, CVE-2016-9588, CVE-2016-9604, CVE-2016-9685, CVE-2016-9806, CVE-2017-2596, CVE-2017-2647, CVE-2017-2671, CVE-2017-5970, CVE-2017-6001, CVE-2017-6951, CVE-2017-7187, CVE-2017-7616, CVE-2017-7889, CVE-2017-8797, CVE-2017-8890, CVE-2017-9074
SHA-256 | 5ca025049a9aeac274477f25b1f88d0c0690dadc0caf736cba30c2ebc58771e8
Red Hat Security Advisory 2017-2077-01
Posted Aug 2, 2017
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2017-2077-01 - The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements. Security Fix: An use-after-free flaw was found in the Linux kernel which enables a race condition in the L2TPv3 IP Encapsulation feature. A local user could use this flaw to escalate their privileges or crash the system. A flaw was found that can be triggered in keyring_search_iterator in keyring.c if type->match is NULL. A local user could use this flaw to crash the system or, potentially, escalate their privileges.

tags | advisory, kernel, local
systems | linux, redhat
advisories | CVE-2014-7970, CVE-2014-7975, CVE-2015-8839, CVE-2015-8970, CVE-2016-10088, CVE-2016-10147, CVE-2016-10200, CVE-2016-6213, CVE-2016-7042, CVE-2016-7097, CVE-2016-8645, CVE-2016-9576, CVE-2016-9588, CVE-2016-9604, CVE-2016-9685, CVE-2016-9806, CVE-2017-2596, CVE-2017-2647, CVE-2017-2671, CVE-2017-5970, CVE-2017-6001, CVE-2017-6951, CVE-2017-7187, CVE-2017-7616, CVE-2017-7889, CVE-2017-8797, CVE-2017-8890, CVE-2017-9074
SHA-256 | d2c3180ea8e30c9c7a99dd568d556248785dfe383295b24d599dcc9aae61ff25
Ubuntu Security Notice USN-3361-1
Posted Jul 21, 2017
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3361-1 - USN-3358-1 fixed vulnerabilities in the Linux kernel for Ubuntu 17.04. This update provides the corresponding updates for the Linux Hardware Enablement kernel from Ubuntu 17.04 for Ubuntu 16.04 LTS. Please note that this update changes the Linux HWE kernel to the 4.10 based kernel from Ubuntu 17.04, superseding the 4.8 based HWE kernel from Ubuntu 16.10. Ben Harris discovered that the Linux kernel would strip extended privilege attributes of files when performing a failed unprivileged system call. A local attacker could use this to cause a denial of service. Various other issues were also addressed.

tags | advisory, denial of service, kernel, local, vulnerability
systems | linux, ubuntu
advisories | CVE-2015-1350, CVE-2016-10208, CVE-2016-8405, CVE-2016-8636, CVE-2016-9083, CVE-2016-9084, CVE-2016-9191, CVE-2016-9604, CVE-2016-9755, CVE-2017-2583, CVE-2017-2584, CVE-2017-2596, CVE-2017-2618, CVE-2017-2671, CVE-2017-5546, CVE-2017-5549, CVE-2017-5550, CVE-2017-5551, CVE-2017-5576, CVE-2017-5669, CVE-2017-5897, CVE-2017-5970, CVE-2017-6001, CVE-2017-6214, CVE-2017-6345, CVE-2017-6346, CVE-2017-6347, CVE-2017-6348
SHA-256 | a02dd5836ffae854b87f99a0c65d15d6c8e6dd7ae37fde2f48b13dc8494472d6
Ubuntu Security Notice USN-3312-2
Posted Jun 7, 2017
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3312-2 - USN-3312-1 fixed vulnerabilities in the Linux kernel for Ubuntu 16.04 LTS. This update provides the corresponding updates for the Linux Hardware Enablement kernel from Ubuntu 16.04 LTS for Ubuntu 14.04 LTS. It was discovered that the netfilter netlink implementation in the Linux kernel did not properly validate batch messages. A local attacker with the CAP_NET_ADMIN capability could use this to expose sensitive information or cause a denial of service. Various other issues were also addressed.

tags | advisory, denial of service, kernel, local, vulnerability
systems | linux, ubuntu
advisories | CVE-2016-7913, CVE-2016-7917, CVE-2016-8632, CVE-2016-9083, CVE-2016-9084, CVE-2016-9604, CVE-2017-0605, CVE-2017-2596, CVE-2017-2671, CVE-2017-6001, CVE-2017-7472, CVE-2017-7618, CVE-2017-7645, CVE-2017-7889, CVE-2017-7895
SHA-256 | 9bc4f5c509d58e7374d08b91a33f59e8cc908ffa5e09f39be89e361fa0dd271e
Ubuntu Security Notice USN-3312-1
Posted Jun 7, 2017
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3312-1 - It was discovered that the netfilter netlink implementation in the Linux kernel did not properly validate batch messages. A local attacker with the CAP_NET_ADMIN capability could use this to expose sensitive information or cause a denial of service. Qian Zhang discovered a heap-based buffer overflow in the tipc_msg_build function in the Linux kernel. A local attacker could use to cause a denial of service or possibly execute arbitrary code with administrative privileges. Various other issues were also addressed.

tags | advisory, denial of service, overflow, arbitrary, kernel, local
systems | linux, ubuntu
advisories | CVE-2016-7913, CVE-2016-7917, CVE-2016-8632, CVE-2016-9083, CVE-2016-9084, CVE-2016-9604, CVE-2017-0605, CVE-2017-2596, CVE-2017-2671, CVE-2017-6001, CVE-2017-7472, CVE-2017-7618, CVE-2017-7645, CVE-2017-7889, CVE-2017-7895
SHA-256 | f93b3056d137e6f094a683c78f33de2cfc51578e2b30f5bf0580b49f3136e70e
Debian Security Advisory 3791-1
Posted Feb 23, 2017
Authored by Debian | Site debian.org

Debian Linux Security Advisory 3791-1 - Several vulnerabilities have been discovered in the Linux kernel that may lead to a privilege escalation, denial of service or have other impacts.

tags | advisory, denial of service, kernel, vulnerability
systems | linux, debian
advisories | CVE-2016-6786, CVE-2016-6787, CVE-2016-8405, CVE-2016-9191, CVE-2017-2583, CVE-2017-2584, CVE-2017-2596, CVE-2017-2618, CVE-2017-5549, CVE-2017-5551, CVE-2017-5897, CVE-2017-5970, CVE-2017-6001, CVE-2017-6074
SHA-256 | d4c6af8f0e3dd4d9e278a3515440e0936dca73862bdc065cf6bd5e2d14200203
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