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CVE-2014-3145

Status Candidate

Overview

The BPF_S_ANC_NLATTR_NEST extension implementation in the sk_run_filter function in net/core/filter.c in the Linux kernel through 3.14.3 uses the reverse order in a certain subtraction, which allows local users to cause a denial of service (over-read and system crash) via crafted BPF instructions. NOTE: the affected code was moved to the __skb_get_nlattr_nest function before the vulnerability was announced.

Related Files

Red Hat Security Advisory 2014-0981-01
Posted Jul 29, 2014
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2014-0981-01 - The kernel packages contain the Linux kernel, the core of any Linux operating system. A use-after-free flaw was found in the way the ping_init_sock() function of the Linux kernel handled the group_info reference counter. A local, unprivileged user could use this flaw to crash the system or, potentially, escalate their privileges on the system. A NULL pointer dereference flaw was found in the way the futex_wait_requeue_pi() function of the Linux kernel's futex subsystem handled the requeuing of certain Priority Inheritance futexes. A local, unprivileged user could use this flaw to crash the system.

tags | advisory, kernel, local
systems | linux, redhat
advisories | CVE-2012-6647, CVE-2013-7339, CVE-2014-2672, CVE-2014-2678, CVE-2014-2706, CVE-2014-2851, CVE-2014-3144, CVE-2014-3145
SHA-256 | de80732b0357d6b9f6be6f8c9e7da59e5a32c6ff3a767b3625c79cfd20dbec82
Red Hat Security Advisory 2014-0913-01
Posted Jul 22, 2014
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2014-0913-01 - The kernel-rt packages contain the Linux kernel, the core of any Linux operating system. A flaw was found in the way the Linux kernel's futex subsystem handled the requeuing of certain Priority Inheritance futexes. A local, unprivileged user could use this flaw to escalate their privileges on the system. It was found that the Linux kernel's ptrace subsystem allowed a traced process' instruction pointer to be set to a non-canonical memory address without forcing the non-sysret code path when returning to user space. A local, unprivileged user could use this flaw to crash the system or, potentially, escalate their privileges on the system.

tags | advisory, kernel, local
systems | linux, redhat
advisories | CVE-2014-0181, CVE-2014-0206, CVE-2014-3144, CVE-2014-3145, CVE-2014-3153, CVE-2014-3917, CVE-2014-3940, CVE-2014-4027, CVE-2014-4667, CVE-2014-4699
SHA-256 | c05d77b8bb0fb6653e702993e25b62f141d1901c64377ea8e2757ba943646f2b
Ubuntu Security Notice USN-2290-1
Posted Jul 17, 2014
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 2290-1 - Sasha Levin reported a flaw in the Linux kernel's point-to-point protocol (PPP) when used with the Layer Two Tunneling Protocol (L2TP). A local user could exploit this flaw to gain administrative privileges. It was discovered that an information leak in the Linux kernel's media- device driver. A local attacker could exploit this flaw to obtain sensitive information from kernel memory. A bounds check error was discovered in the socket filter subsystem of the Linux kernel. A local user could exploit this flaw to cause a denial of service (system crash) via crafted BPF instructions. Various other issues were also addressed.

tags | advisory, denial of service, kernel, local, protocol
systems | linux, ubuntu
advisories | CVE-2014-1739, CVE-2014-3144, CVE-2014-3145, CVE-2014-3940, CVE-2014-4608, CVE-2014-4611, CVE-2014-4943
SHA-256 | d08146b9fea95b5609bae004d574e7ab893d68c13196106b2acc630dcddde5be
Ubuntu Security Notice USN-2288-1
Posted Jul 17, 2014
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 2288-1 - Sasha Levin reported a flaw in the Linux kernel's point-to-point protocol (PPP) when used with the Layer Two Tunneling Protocol (L2TP). A local user could exploit this flaw to gain administrative privileges. An information leak was discovered in the Linux kernel's media-device driver. A local attacker could exploit this flaw to obtain sensitive information from kernel memory. A bounds check error was discovered in the socket filter subsystem of the Linux kernel. A local user could exploit this flaw to cause a denial of service (system crash) via crafted BPF instructions. Various other issues were also addressed.

tags | advisory, denial of service, kernel, local, protocol
systems | linux, ubuntu
advisories | CVE-2014-1739, CVE-2014-3144, CVE-2014-3145, CVE-2014-3940, CVE-2014-4608, CVE-2014-4611, CVE-2014-4943
SHA-256 | 762c3e6b6422023b0cf7a2e4570f032da29fd554adfd4933d7c81ac2791e2d59
Ubuntu Security Notice USN-2286-1
Posted Jul 17, 2014
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 2286-1 - Sasha Levin reported a flaw in the Linux kernel's point-to-point protocol (PPP) when used with the Layer Two Tunneling Protocol (L2TP). A local user could exploit this flaw to gain administrative privileges. Michael S. Tsirkin discovered an information leak in the Linux kernel's segmentation of skbs when using the zerocopy feature of vhost-net. A local attacker could exploit this flaw to gain potentially sensitive information from kernel memory. Various other issues were also addressed.

tags | advisory, kernel, local, protocol
systems | linux, ubuntu
advisories | CVE-2014-0131, CVE-2014-1739, CVE-2014-3144, CVE-2014-3145, CVE-2014-3917, CVE-2014-4014, CVE-2014-4608, CVE-2014-4943
SHA-256 | a5ef90e192f25e88bdc05dfdee78ce4c2c01c37086253de1e44f5916378ea6d5
Ubuntu Security Notice USN-2263-1
Posted Jun 27, 2014
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 2263-1 - Salva discovered an information leak in the Linux kernel's media- device driver. A local attacker could exploit this flaw to obtain sensitive information from kernel memory. A bounds check error was discovered in the socket filter subsystem of the Linux kernel. A local user could exploit this flaw to cause a denial of service (system crash) via crafted BPF instructions. A remainder calculation error was discovered in the socket filter subsystem of the Linux kernel. A local user could exploit this flaw to cause a denial of service (system crash) via crafted BPF instructions. Various other issues were also addressed.

tags | advisory, denial of service, kernel, local
systems | linux, ubuntu
advisories | CVE-2014-1739, CVE-2014-3144, CVE-2014-3145
SHA-256 | c1756759393556e7f3f5ea6151c39cb7d4f78aee5b448f98be9b3580b90bbe19
Ubuntu Security Notice USN-2262-1
Posted Jun 27, 2014
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 2262-1 - A bounds check error was discovered in the socket filter subsystem of the Linux kernel. A local user could exploit this flaw to cause a denial of service (system crash) via crafted BPF instructions. A remainder calculation error was discovered in the socket filter subsystem of the Linux kernel. A local user could exploit this flaw to cause a denial of service (system crash) via crafted BPF instructions.

tags | advisory, denial of service, kernel, local
systems | linux, ubuntu
advisories | CVE-2014-3144, CVE-2014-3145
SHA-256 | e114f0a79df2dc184f86e4e1f8e322df6730085883dcbe31affbebb324233371
Ubuntu Security Notice USN-2261-1
Posted Jun 27, 2014
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 2261-1 - Salva discovered an information leak in the Linux kernel's media- device driver. A local attacker could exploit this flaw to obtain sensitive information from kernel memory. A bounds check error was discovered in the socket filter subsystem of the Linux kernel. A local user could exploit this flaw to cause a denial of service (system crash) via crafted BPF instructions. A remainder calculation error was discovered in the socket filter subsystem of the Linux kernel. A local user could exploit this flaw to cause a denial of service (system crash) via crafted BPF instructions. Various other issues were also addressed.

tags | advisory, denial of service, kernel, local
systems | linux, ubuntu
advisories | CVE-2014-1739, CVE-2014-3144, CVE-2014-3145
SHA-256 | 05bf0bde4d4865f155ffc5c349bcbc021cacad831e176b70b78ef8aa1290dd14
Ubuntu Security Notice USN-2259-1
Posted Jun 27, 2014
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 2259-1 - Salva discovered an information leak in the Linux kernel's media- device driver. A local attacker could exploit this flaw to obtain sensitive information from kernel memory. A bounds check error was discovered in the socket filter subsystem of the Linux kernel. A local user could exploit this flaw to cause a denial of service (system crash) via crafted BPF instructions. A remainder calculation error was discovered in the socket filter subsystem of the Linux kernel. A local user could exploit this flaw to cause a denial of service (system crash) via crafted BPF instructions. Various other issues were also addressed.

tags | advisory, denial of service, kernel, local
systems | linux, ubuntu
advisories | CVE-2014-1739, CVE-2014-3144, CVE-2014-3145
SHA-256 | 4fb5093864365c1809ce0fbfe91f7fb846b76d82177e2f2d13873e3cdaf599b2
Ubuntu Security Notice USN-2264-1
Posted Jun 27, 2014
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 2264-1 - Salva discovered an information leak in the Linux kernel's media-device driver. A local attacker could exploit this flaw to obtain sensitive information from kernel memory. A bounds check error was discovered in the socket filter subsystem of the Linux kernel. A local user could exploit this flaw to cause a denial of service (system crash) via crafted BPF instructions. A remainder calculation error was discovered in the socket filter subsystem of the Linux kernel. A local user could exploit this flaw to cause a denial of service (system crash) via crafted BPF instructions. Various other issues were also addressed.

tags | advisory, denial of service, kernel, local
systems | linux, ubuntu
advisories | CVE-2014-1739, CVE-2014-3144, CVE-2014-3145
SHA-256 | 920a2a06a3de9eacbb25f2d917e0dffafeaf7b29e48f7e24cae1845f7c2c673e
Red Hat Security Advisory 2014-0786-01
Posted Jun 25, 2014
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2014-0786-01 - The kernel packages contain the Linux kernel, the core of any Linux operating system. A flaw was found in the way the Linux kernel's futex subsystem handled the requeuing of certain Priority Inheritance futexes. A local, unprivileged user could use this flaw to escalate their privileges on the system. A use-after-free flaw was found in the way the ping_init_sock() function of the Linux kernel handled the group_info reference counter. A local, unprivileged user could use this flaw to crash the system or, potentially, escalate their privileges on the system.

tags | advisory, kernel, local
systems | linux, redhat
advisories | CVE-2014-0206, CVE-2014-1737, CVE-2014-1738, CVE-2014-2568, CVE-2014-2851, CVE-2014-3144, CVE-2014-3145, CVE-2014-3153
SHA-256 | a129a6ab0073091556499735a5f8f8e80ead78b268c608d9656be19c8bbccf5f
Ubuntu Security Notice USN-2252-1
Posted Jun 20, 2014
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 2252-1 - A bounds check error was discovered in the socket filter subsystem of the Linux kernel. A local user could exploit this flaw to cause a denial of service (system crash) via crafted BPF instructions. A remainder calculation error was discovered in the socket filter subsystem of the Linux kernel. A local user could exploit this flaw to cause a denial of service (system crash) via crafted BPF instructions.

tags | advisory, denial of service, kernel, local
systems | linux, ubuntu
advisories | CVE-2014-3144, CVE-2014-3145
SHA-256 | 0a89de935a50d06d0598ec1e19404e3c7fc51c91a4b62f5fe952a46d6118f724
Ubuntu Security Notice USN-2251-1
Posted Jun 20, 2014
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 2251-1 - A bounds check error was discovered in the socket filter subsystem of the Linux kernel. A local user could exploit this flaw to cause a denial of service (system crash) via crafted BPF instructions. A remainder calculation error was discovered in the socket filter subsystem of the Linux kernel. A local user could exploit this flaw to cause a denial of service (system crash) via crafted BPF instructions.

tags | advisory, denial of service, kernel, local
systems | linux, ubuntu
advisories | CVE-2014-3144, CVE-2014-3145
SHA-256 | 176d5822ccb535de1f90d669ac5c981cbc29a5fa73a8a6a8af87d1ef1a524c6b
Mandriva Linux Security Advisory 2014-124
Posted Jun 15, 2014
Authored by Mandriva | Site mandriva.com

Mandriva Linux Security Advisory 2014-124 - Multiple vulnerabilities has been found and corrected in the Linux kernel. The updated packages provides a solution for these security issues.

tags | advisory, kernel, vulnerability
systems | linux, mandriva
advisories | CVE-2012-2137, CVE-2013-2897, CVE-2014-0069, CVE-2014-0077, CVE-2014-0101, CVE-2014-0196, CVE-2014-1737, CVE-2014-1738, CVE-2014-1874, CVE-2014-2039, CVE-2014-2309, CVE-2014-2523, CVE-2014-2672, CVE-2014-2678, CVE-2014-2706, CVE-2014-2851, CVE-2014-3144, CVE-2014-3145, CVE-2014-3153, CVE-2014-3917
SHA-256 | 73e79f50856da66b94dc300dcf75b8e4967914b79209768459dcab2e0db44614
Debian Security Advisory 2949-1
Posted Jun 5, 2014
Authored by Debian | Site debian.org

Debian Linux Security Advisory 2949-1 - Several vulnerabilities have been discovered in the Linux kernel that may lead to a denial of service or privilege escalation.

tags | advisory, denial of service, kernel, vulnerability
systems | linux, debian
advisories | CVE-2014-3144, CVE-2014-3145, CVE-2014-3153
SHA-256 | 45405d468e8010f880354b2ce2dd7801de3e4c470ba76a2d1bd51a96f14afe54
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