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CVE-2012-6546

Status Candidate

Overview

The ATM implementation in the Linux kernel before 3.6 does not initialize certain structures, which allows local users to obtain sensitive information from kernel stack memory via a crafted application.

Related Files

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
MD5 | 69ed02210da6379f74ba3e864f1a5078
Ubuntu Security Notice USN-1808-1
Posted Apr 25, 2013
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 1808-1 - Mathias Krause discovered an information leak in the Linux kernel's getsockname implementation for Logical Link Layer (llc) sockets. A local user could exploit this flaw to examine some of the kernel's stack memory. Mathias Krause discovered information leaks in the Linux kernel's Bluetooth Logical Link Control and Adaptation Protocol (L2CAP) implementation. A local user could exploit these flaws to examine some of the kernel's stack memory. Various other issues were also addressed.

tags | advisory, kernel, local, protocol
systems | linux, ubuntu
advisories | CVE-2012-6542, CVE-2012-6544, CVE-2012-6545, CVE-2012-6546, CVE-2012-6548, CVE-2013-0228, CVE-2013-0349, CVE-2013-1774, CVE-2013-1796, CVE-2012-6542, CVE-2012-6544, CVE-2012-6545, CVE-2012-6546, CVE-2012-6548, CVE-2013-0228, CVE-2013-0349, CVE-2013-1774, CVE-2013-1796
MD5 | 68ea26cb76b7b153db4f5cee5ce01041
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
MD5 | 861bf7771bcdc61200bc5921ce8c9555
Ubuntu Security Notice USN-1805-1
Posted Apr 19, 2013
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 1805-1 - Mathias Krause discovered an information leak in the Linux kernel's getsockname implementation for Logical Link Layer (llc) sockets. A local user could exploit this flaw to examine some of the kernel's stack memory. Mathias Krause discovered information leaks in the Linux kernel's Bluetooth Logical Link Control and Adaptation Protocol (L2CAP) implementation. A local user could exploit these flaws to examine some of the kernel's stack memory. Various other issues were also addressed.

tags | advisory, kernel, local, protocol
systems | linux, ubuntu
advisories | CVE-2012-6542, CVE-2012-6544, CVE-2012-6545, CVE-2012-6546, CVE-2012-6548, CVE-2013-0228, CVE-2013-0349, CVE-2013-1774, CVE-2013-1796, CVE-2012-6542, CVE-2012-6544, CVE-2012-6545, CVE-2012-6546, CVE-2012-6548, CVE-2013-0228, CVE-2013-0349, CVE-2013-1774, CVE-2013-1796
MD5 | 9dde7480b2593ff7a4057b7bbaa64c81
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
MD5 | 334add4616b04f64adc7092d668ab47b
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