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CVE-2013-1826

Status Candidate

Overview

The xfrm_state_netlink function in net/xfrm/xfrm_user.c in the Linux kernel before 3.5.7 does not properly handle error conditions in dump_one_state function calls, which allows local users to gain privileges or cause a denial of service (NULL pointer dereference and system crash) by leveraging the CAP_NET_ADMIN capability.

Related Files

Ubuntu Security Notice USN-1829-1
Posted May 16, 2013
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 1829-1 - Mathias Krause discovered an information leak in the Linux kernel's ISO 9660 CDROM file system driver. A local user could exploit this flaw to examine some of the kernel's heap memory. Mathias Krause discovered a flaw in xfrm_user in the Linux kernel. A local attacker with NET_ADMIN capability could potentially exploit this flaw to escalate privileges. A buffer overflow was discovered in the Linux Kernel's USB subsystem for devices reporting the cdc-wdm class. A specially crafted USB device when plugged-in could cause a denial of service (system crash) or possibly execute arbitrary code. Various other issues were also addressed.

tags | advisory, denial of service, overflow, arbitrary, kernel, local
systems | linux, ubuntu
advisories | CVE-2012-6549, CVE-2013-1826, CVE-2013-1860, CVE-2013-1928, CVE-2013-2634, CVE-2012-6549, CVE-2013-1826, CVE-2013-1860, CVE-2013-1928, CVE-2013-2634
SHA-256 | 30065b53ddbc5e3d5f60eb0248680ae22ae7dea007129944316fa5c56d25a3b9
Debian Security Advisory 2668-1
Posted May 15, 2013
Authored by Debian | Site debian.org

Debian Linux Security Advisory 2668-1 - Several vulnerabilities have been discovered in the Linux kernel that may lead to a denial of service, information leak or privilege escalation.

tags | advisory, denial of service, kernel, vulnerability
systems | linux, debian
advisories | CVE-2012-2121, CVE-2012-3552, CVE-2012-4461, CVE-2012-4508, CVE-2012-6537, CVE-2012-6539, CVE-2012-6540, CVE-2012-6542, CVE-2012-6544, CVE-2012-6545, CVE-2012-6546, CVE-2012-6548, CVE-2012-6549, CVE-2013-0349, CVE-2013-0914, CVE-2013-1767, CVE-2013-1773, CVE-2013-1774, CVE-2013-1792, CVE-2013-1796, CVE-2013-1798, CVE-2013-1826, CVE-2013-1860, CVE-2013-1928, CVE-2013-1929, CVE-2013-2015, CVE-2013-2634, CVE-2013-3222
SHA-256 | f66b5875b109e5f665558463b3f9c59ae0cb8985c108bda014534f43c51d2b5f
Ubuntu Security Notice USN-1824-1
Posted May 15, 2013
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 1824-1 - Mathias Krause discovered an information leak in the Linux kernel's ISO 9660 CDROM file system driver. A local user could exploit this flaw to examine some of the kernel's heap memory. Mathias Krause discovered a flaw in xfrm_user in the Linux kernel. A local attacker with NET_ADMIN capability could potentially exploit this flaw to escalate privileges. A buffer overflow was discovered in the Linux Kernel's USB subsystem for devices reporting the cdc-wdm class. A specially crafted USB device when plugged-in could cause a denial of service (system crash) or possibly execute arbitrary code. Various other issues were also addressed.

tags | advisory, denial of service, overflow, arbitrary, kernel, local
systems | linux, ubuntu
advisories | CVE-2012-6549, CVE-2013-1826, CVE-2013-1860, CVE-2013-1928, CVE-2013-2634, CVE-2012-6549, CVE-2013-1826, CVE-2013-1860, CVE-2013-1928, CVE-2013-2634
SHA-256 | 61cfd0da9e862caf667f2f7231d0b4d0ff7b68b7c6ba016808af14830d2d8422
Red Hat Security Advisory 2013-0744-01
Posted Apr 23, 2013
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2013-0744-01 - Updated kernel packages that fix multiple security issues and several bugs are now available for Red Hat Enterprise Linux 6. An integer overflow flaw, leading to a heap-based buffer overflow, was found in the way the Intel i915 driver in the Linux kernel handled the allocation of the buffer used for relocation copies. A local user with console access could use this flaw to cause a denial of service or escalate their privileges. A buffer overflow flaw was found in the way UTF-8 characters were converted to UTF-16 in the utf8s_to_utf16s() function of the Linux kernel's FAT file system implementation. A local user able to mount a FAT file system with the "utf8=1" option could use this flaw to crash the system or, potentially, to escalate their privileges.

tags | advisory, denial of service, overflow, kernel, local
systems | linux, redhat
advisories | CVE-2012-6537, CVE-2012-6546, CVE-2012-6547, CVE-2013-0349, CVE-2013-0913, CVE-2013-1767, CVE-2013-1773, CVE-2013-1774, CVE-2013-1792, CVE-2013-1796, CVE-2013-1797, CVE-2013-1798, CVE-2013-1826, CVE-2013-1827
SHA-256 | cbd907594e654e3d3d2b243dd52c44128cb2ec5866fbf646e4281d98046c891d
Red Hat Security Advisory 2013-0747-01
Posted Apr 16, 2013
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2013-0747-01 - The kernel packages contain the Linux kernel, the core of any Linux operating system. A flaw was found in the Xen netback driver implementation in the Linux kernel. A privileged guest user with access to a para-virtualized network device could use this flaw to cause a long loop in netback, leading to a denial of service that could potentially affect the entire system.

tags | advisory, denial of service, kernel
systems | linux, redhat
advisories | CVE-2012-6537, CVE-2012-6542, CVE-2012-6546, CVE-2012-6547, CVE-2013-0216, CVE-2013-0231, CVE-2013-1826
SHA-256 | 9e0aa536e0da762edf8c498c10bb83405607592006ca6d9a7c71cb4b1a98321e
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