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CVE-2014-3144

Status Candidate

Overview

The (1) BPF_S_ANC_NLATTR and (2) BPF_S_ANC_NLATTR_NEST extension implementations in the sk_run_filter function in net/core/filter.c in the Linux kernel through 3.14.3 do not check whether a certain length value is sufficiently large, which allows local users to cause a denial of service (integer underflow and system crash) via crafted BPF instructions. NOTE: the affected code was moved to the __skb_get_nlattr and __skb_get_nlattr_nest functions 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
MD5 | 406d9d95aa0c6d16ab6277500d72283d
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
MD5 | 0b79965eb0beab6d5643819677a1a532
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
MD5 | 1dd09d30573adadeb946c607087fc609
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
MD5 | 0c22064029bca9c5378ba086f1be7d40
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
MD5 | 511e7bed6e9a39ca49b13f35d58bbc2b
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
MD5 | c5ac813daa3d2a7c0efc73e710d16d61
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
MD5 | 7522864683e87425e4aa3030dcb1b7b9
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
MD5 | d00da09e7581a6bc1f4d880992cfaf1e
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
MD5 | 5d7b2bb997fbe86b1ff5bfa2716252db
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
MD5 | d127e5a547490afcefc9cba2b7daad60
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
MD5 | ee05cedcfe8ec9fc83e2d832e1f5e231
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
MD5 | 9cee9005c8e2d8aed34c997890530040
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
MD5 | 9ef919d3860b127b36fb980e52956d18
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
MD5 | d4173e7b22628d26c1c257c521cb1593
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
MD5 | 68b440d5672418363f12f32a38f958db
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