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CVE-2012-6540

Status Candidate

Overview

The do_ip_vs_get_ctl function in net/netfilter/ipvs/ip_vs_ctl.c in the Linux kernel before 3.6 does not initialize a certain structure for IP_VS_SO_GET_TIMEOUT commands, 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
SHA-256 | f66b5875b109e5f665558463b3f9c59ae0cb8985c108bda014534f43c51d2b5f
Ubuntu Security Notice USN-1798-1
Posted Apr 9, 2013
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 1798-1 - Mathias Krause discovered several errors in the Linux kernel's xfrm_user implementation. A local attacker could exploit these flaws to examine parts of kernel memory. Mathias Krause discovered information leak in the Linux kernel's compat ioctl interface. A local user could exploit the flaw to examine parts of kernel stack memory Mathias Krause discovered an information leak in the Linux kernel's getsockopt for IP_VS_SO_GET_TIMEOUT. A local user could exploit this flaw to examine parts of kernel stack memory. Various other issues were also addressed.

tags | advisory, kernel, local
systems | linux, ubuntu
advisories | CVE-2012-6537, CVE-2012-6539, CVE-2012-6540, CVE-2013-0914, CVE-2013-1767, CVE-2013-1792, CVE-2012-6537, CVE-2012-6539, CVE-2012-6540, CVE-2013-0914, CVE-2013-1767, CVE-2013-1792
SHA-256 | 62a895abe2fd7846a0fb8d09dbb89b0673cb25110f32c82f9803069edbab6ee6
Ubuntu Security Notice USN-1792-1
Posted Apr 9, 2013
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 1792-1 - Mathias Krause discovered several errors in the Linux kernel's xfrm_user implementation. A local attacker could exploit these flaws to examine parts of kernel memory. Mathias Krause discovered information leak in the Linux kernel's compat ioctl interface. A local user could exploit the flaw to examine parts of kernel stack memory Mathias Krause discovered an information leak in the Linux kernel's getsockopt for IP_VS_SO_GET_TIMEOUT. A local user could exploit this flaw to examine parts of kernel stack memory. Various other issues were also addressed.

tags | advisory, kernel, local
systems | linux, ubuntu
advisories | CVE-2012-6537, CVE-2012-6539, CVE-2012-6540, CVE-2013-0914, CVE-2013-1767, CVE-2013-1792, CVE-2012-6537, CVE-2012-6539, CVE-2012-6540, CVE-2013-0914, CVE-2013-1767, CVE-2013-1792
SHA-256 | d7a913c64772f844a1de18b494ef0450b90eeee965bc44f89c95bec79e1c673b
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