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CVE-2012-0879

Status Candidate

Overview

The I/O implementation for block devices in the Linux kernel before 2.6.33 does not properly handle the CLONE_IO feature, which allows local users to cause a denial of service (I/O instability) by starting multiple processes that share an I/O context.

Related Files

HP Security Bulletin HPSBGN02970
Posted Mar 11, 2014
Authored by HP | Site hp.com

HP Security Bulletin HPSBGN02970 - Potential vulnerabilities have been identified with HP Rapid Deployment Pack (RDP) or HP Insight Control Server Deployment. The vulnerabilities could be exploited remotely affecting confidentiality, integrity and availability. Revision 1 of this advisory.

tags | advisory, vulnerability
advisories | CVE-2010-4008, CVE-2010-4494, CVE-2011-2182, CVE-2011-2213, CVE-2011-2492, CVE-2011-2518, CVE-2011-2689, CVE-2011-2723, CVE-2011-3188, CVE-2011-4077, CVE-2011-4110, CVE-2012-0058, CVE-2012-0879, CVE-2012-1088, CVE-2012-1179, CVE-2012-2137, CVE-2012-2313, CVE-2012-2372, CVE-2012-2373, CVE-2012-2375, CVE-2012-2383, CVE-2012-2384, CVE-2013-6205, CVE-2013-6206
MD5 | c2d608f9e9d50c7f6de2082d32f781db
Debian Security Advisory 2469-1
Posted May 11, 2012
Authored by Debian | Site debian.org

Debian Linux Security Advisory 2469-1 - 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-2011-4086, CVE-2012-0879, CVE-2012-1601, CVE-2012-2123, CVE-2012-2133
MD5 | 3f1dcfb71fe565dd57795656e6ce3a4e
Red Hat Security Advisory 2012-0481-01
Posted Apr 17, 2012
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2012-0481-01 - The kernel packages contain the Linux kernel, the core of any Linux operating system. Numerous reference count leaks were found in the Linux kernel's block layer I/O context handling implementation. This could allow a local, unprivileged user to cause a denial of service. A flaw was found in the Linux kernel's cifs_lookup() implementation. POSIX open during lookup should only be supported for regular files. When non-regular files pipe or other special files) are opened on lookup, it could cause a denial of service.

tags | advisory, denial of service, kernel, local
systems | linux, redhat, osx
advisories | CVE-2012-0879, CVE-2012-1090, CVE-2012-1097
MD5 | 61e1fccbc6fda27da4682f62f4be5e78
Ubuntu Security Notice USN-1415-1
Posted Apr 4, 2012
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 1415-1 - Louis Rilling discovered a flaw in Linux kernel's clone command when CLONE_IO is specified. An unprivileged local user could exploit this to cause a denial of service.

tags | advisory, denial of service, kernel, local
systems | linux, ubuntu
advisories | CVE-2012-0879
MD5 | 962b0db835d7f7dfef4c1bac67844d53
Ubuntu Security Notice USN-1408-1
Posted Mar 28, 2012
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 1408-1 - Louis Rilling discovered a flaw in Linux kernel's clone command when CLONE_IO is specified. An unprivileged local user could exploit this to cause a denial of service.

tags | advisory, denial of service, kernel, local
systems | linux, ubuntu
advisories | CVE-2012-0879
MD5 | 7f3c19253ec21895d8991ebb72cbf7d1
Ubuntu Security Notice USN-1411-1
Posted Mar 28, 2012
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 1411-1 - Louis Rilling discovered a flaw in Linux kernel's clone command when CLONE_IO is specified. An unprivileged local user could exploit this to cause a denial of service.

tags | advisory, denial of service, kernel, local
systems | linux, ubuntu
advisories | CVE-2012-0879
MD5 | dd9f0ce5de16df6bd6e2e3808ef440d5
Ubuntu Security Notice USN-1410-1
Posted Mar 28, 2012
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 1410-1 - Louis Rilling discovered a flaw in Linux kernel's clone command when CLONE_IO is specified. An unprivileged local user could exploit this to cause a denial of service.

tags | advisory, denial of service, kernel, local
systems | linux, ubuntu
advisories | CVE-2012-0879
MD5 | 974ab6245f91e141a08d720cbc57e213
Ubuntu Security Notice USN-1389-1
Posted Mar 7, 2012
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 1389-1 - Paolo Bonzini discovered a flaw in Linux's handling of the SG_IO ioctl command. A local user, or user in a VM could exploit this flaw to bypass restrictions and gain read/write access to all data on the affected block device. Sasha Levin discovered a flaw in the permission checking for device assignments requested via the kvm ioctl in the Linux kernel. A local user could use this flaw to crash the system causing a denial of service. Various other issues were also addressed.

tags | advisory, denial of service, kernel, local
systems | linux, ubuntu
advisories | CVE-2011-4127, CVE-2011-4347, CVE-2011-4622, CVE-2012-0038, CVE-2012-0879, CVE-2011-4127, CVE-2011-4347, CVE-2011-4622, CVE-2012-0038, CVE-2012-0879
MD5 | 7524468bd6b3bc1f8036dba3bffd7cd1
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