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CVE-2012-2390

Status Candidate

Overview

Memory leak in mm/hugetlb.c in the Linux kernel before 3.4.2 allows local users to cause a denial of service (memory consumption or system crash) via invalid MAP_HUGETLB mmap operations.

Related Files

Red Hat Security Advisory 2012-1304-01
Posted Sep 26, 2012
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2012-1304-01 - The kernel packages contain the Linux kernel, the core of any Linux operating system. An integer overflow flaw was found in the i915_gem_do_execbuffer() function in the Intel i915 driver in the Linux kernel. A local, unprivileged user could use this flaw to cause a denial of service. This issue only affected 32-bit systems. A memory leak flaw was found in the way the Linux kernel's memory subsystem handled resource clean up in the mmap() failure path when the MAP_HUGETLB flag was set. A local, unprivileged user could use this flaw to cause a denial of service.

tags | advisory, denial of service, overflow, kernel, local, memory leak
systems | linux, redhat
advisories | CVE-2012-2313, CVE-2012-2384, CVE-2012-2390, CVE-2012-3430, CVE-2012-3552
MD5 | 2b9799604fcb5b2cc63c4a498c6f5882
Ubuntu Security Notice USN-1538-1
Posted Aug 15, 2012
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 1538-1 - An error was discovered in the Linux kernel's network TUN/TAP device implementation. A local user with access to the TUN/TAP interface (which is not available to unprivileged users until granted by a root user) could exploit this flaw to crash the system or potential gain administrative privileges. A flaw was found in the Linux kernel's Reliable Datagram Sockets (RDS) protocol implementation. A local, unprivileged user could use this flaw to cause a denial of service. Various other issues were also addressed.

tags | advisory, denial of service, kernel, local, root, protocol
systems | linux, ubuntu
advisories | CVE-2012-2136, CVE-2012-2372, CVE-2012-2390, CVE-2012-2136, CVE-2012-2372, CVE-2012-2390
MD5 | 5ef278ed216da2b6e05e17214919ad89
Ubuntu Security Notice USN-1535-1
Posted Aug 13, 2012
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 1535-1 - An error was discovered in the Linux kernel's network TUN/TAP device implementation. A local user with access to the TUN/TAP interface (which is not available to unprivileged users until granted by a root user) could exploit this flaw to crash the system or potential gain administrative privileges. An error was discovered in the Linux kernel's memory subsystem (hugetlb). An unprivileged local user could exploit this flaw to cause a denial of service (crash the system). Various other issues were also addressed.

tags | advisory, denial of service, kernel, local, root
systems | linux, ubuntu
advisories | CVE-2012-2136, CVE-2012-2390, CVE-2012-2136, CVE-2012-2390
MD5 | cf6d7fd3511ba46e569dc7497cd7b66b
Ubuntu Security Notice USN-1534-1
Posted Aug 13, 2012
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 1534-1 - An error was discovered in the Linux kernel's network TUN/TAP device implementation. A local user with access to the TUN/TAP interface (which is not available to unprivileged users until granted by a root user) could exploit this flaw to crash the system or potential gain administrative privileges. An error was discovered in the Linux kernel's memory subsystem (hugetlb). An unprivileged local user could exploit this flaw to cause a denial of service (crash the system). Various other issues were also addressed.

tags | advisory, denial of service, kernel, local, root
systems | linux, ubuntu
advisories | CVE-2012-2136, CVE-2012-2390, CVE-2012-2136, CVE-2012-2390
MD5 | b471f92c9127d7c31a949576671b66cb
Ubuntu Security Notice USN-1531-1
Posted Aug 13, 2012
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 1531-1 - An error was discovered in the Linux kernel's network TUN/TAP device implementation. A local user with access to the TUN/TAP interface (which is not available to unprivileged users until granted by a root user) could exploit this flaw to crash the system or potential gain administrative privileges. A flaw was found in the Linux kernel's Reliable Datagram Sockets (RDS) protocol implementation. A local, unprivileged user could use this flaw to cause a denial of service. Various other issues were also addressed.

tags | advisory, denial of service, kernel, local, root, protocol
systems | linux, ubuntu
advisories | CVE-2012-2136, CVE-2012-2372, CVE-2012-2390, CVE-2012-2136, CVE-2012-2372, CVE-2012-2390
MD5 | 8b4dae4786f2ee8fc7cd5d2a4d254774
Red Hat Security Advisory 2012-1150-01
Posted Aug 9, 2012
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2012-1150-01 - The kernel-rt packages contain the Linux kernel, the core of any Linux operating system. A memory leak flaw was found in the way the Linux kernel's memory subsystem handled resource clean up in the mmap() failure path when the MAP_HUGETLB flag was set. A local, unprivileged user could use this flaw to cause a denial of service. A flaw was found in the way the Linux kernel's Event Poll subsystem handled resource clean up when an ELOOP error code was returned. A local, unprivileged user could use this flaw to cause a denial of service.

tags | advisory, denial of service, kernel, local, memory leak
systems | linux, redhat
advisories | CVE-2012-2390, CVE-2012-3375
MD5 | dc6120a3346e7ea6cef0c53a34f7f4b5
Ubuntu Security Notice USN-1515-1
Posted Jul 23, 2012
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 1515-1 - An error was discovered in the Linux kernel's memory subsystem (hugetlb). An unprivileged local user could exploit this flaw to cause a denial of service (crash the system).

tags | advisory, denial of service, kernel, local
systems | linux, ubuntu
advisories | CVE-2012-2390
MD5 | 4c532373badc98dd1d6f13513bdf91ee
Ubuntu Security Notice USN-1508-1
Posted Jul 17, 2012
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 1508-1 - An error was discovered in the Linux kernel's memory subsystem (hugetlb). An unprivileged local user could exploit this flaw to cause a denial of service (crash the system).

tags | advisory, denial of service, kernel, local
systems | linux, ubuntu
advisories | CVE-2012-2390
MD5 | ee3719a2667aeb60f2e2c36a38d46063
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