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CVE-2013-1819

Status Candidate

Overview

The _xfs_buf_find function in fs/xfs/xfs_buf.c in the Linux kernel before 3.7.6 does not validate block numbers, which allows local users to cause a denial of service (NULL pointer dereference and system crash) or possibly have unspecified other impact by leveraging the ability to mount an XFS filesystem containing a metadata inode with an invalid extent map.

Related Files

Ubuntu Security Notice USN-1969-1
Posted Sep 27, 2013
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 1969-1 - Vince Weaver discovered a flaw in the perf subsystem of the Linux kernel on ARM platforms. A local user could exploit this flaw to gain privileges or cause a denial of service (system crash). A failure to validate block numbers was discovered in the Linux kernel's implementation of the XFS filesystem. A local user can cause a denial of service (system crash) if they can mount, or cause to be mounted a corrupted or special crafted XFS filesystem. Various other issues were also addressed.

tags | advisory, denial of service, kernel, local
systems | linux, ubuntu
advisories | CVE-2013-4254, CVE-2013-1819, CVE-2013-1819, CVE-2013-4254
SHA-256 | 47ad35992bbbc67f1cad43435747f29f94d5e87efbbfdb5dbc82e51fb177331e
Ubuntu Security Notice USN-1970-1
Posted Sep 27, 2013
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 1970-1 - Vince Weaver discovered a flaw in the perf subsystem of the Linux kernel on ARM platforms. A local user could exploit this flaw to gain privileges or cause a denial of service (system crash). A failure to validate block numbers was discovered in the Linux kernel's implementation of the XFS filesystem. A local user can cause a denial of service (system crash) if they can mount, or cause to be mounted a corrupted or special crafted XFS filesystem. Various other issues were also addressed.

tags | advisory, denial of service, kernel, local
systems | linux, ubuntu
advisories | CVE-2013-4254, CVE-2013-1819, CVE-2013-2237, CVE-2013-1819, CVE-2013-2237, CVE-2013-4254
SHA-256 | 5e12e33f49f1f5bf8779cfbdf49aaa4a002bb629cab6b20abc2852352af78ec2
Ubuntu Security Notice USN-1968-1
Posted Sep 27, 2013
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 1968-1 - Vince Weaver discovered a flaw in the perf subsystem of the Linux kernel on ARM platforms. A local user could exploit this flaw to gain privileges or cause a denial of service (system crash). A failure to validate block numbers was discovered in the Linux kernel's implementation of the XFS filesystem. A local user can cause a denial of service (system crash) if they can mount, or cause to be mounted a corrupted or special crafted XFS filesystem. Various other issues were also addressed.

tags | advisory, denial of service, kernel, local
systems | linux, ubuntu
advisories | CVE-2013-4254, CVE-2013-1819, CVE-2013-1819, CVE-2013-4254
SHA-256 | c10a089319f695c9298e0218e80d367e4b8e7a42beb195bb76762a24d36b98d9
Ubuntu Security Notice USN-1975-1
Posted Sep 27, 2013
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 1975-1 - Vince Weaver discovered a flaw in the perf subsystem of the Linux kernel on ARM platforms. A local user could exploit this flaw to gain privileges or cause a denial of service (system crash). A failure to validate block numbers was discovered in the Linux kernel's implementation of the XFS filesystem. A local user can cause a denial of service (system crash) if they can mount, or cause to be mounted a corrupted or special crafted XFS filesystem. Various other issues were also addressed.

tags | advisory, denial of service, kernel, local
systems | linux, ubuntu
advisories | CVE-2013-4254, CVE-2013-1819, CVE-2013-1819, CVE-2013-4254
SHA-256 | 16189fdb29ef1621c06768231ec01452d6b65dbd6af49cfb6d4bd1119fec079f
Ubuntu Security Notice USN-1973-1
Posted Sep 27, 2013
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 1973-1 - Vince Weaver discovered a flaw in the perf subsystem of the Linux kernel on ARM platforms. A local user could exploit this flaw to gain privileges or cause a denial of service (system crash). A failure to validate block numbers was discovered in the Linux kernel's implementation of the XFS filesystem. A local user can cause a denial of service (system crash) if they can mount, or cause to be mounted a corrupted or special crafted XFS filesystem. Various other issues were also addressed.

tags | advisory, denial of service, kernel, local
systems | linux, ubuntu
advisories | CVE-2013-4254, CVE-2013-1819, CVE-2013-2237, CVE-2013-1819, CVE-2013-2237, CVE-2013-4254
SHA-256 | 63ed8f5b37475a48348edd4c032b51579f379e3d69cb52befecd1727d51a37f4
Ubuntu Security Notice USN-1972-1
Posted Sep 27, 2013
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 1972-1 - Vince Weaver discovered a flaw in the perf subsystem of the Linux kernel on ARM platforms. A local user could exploit this flaw to gain privileges or cause a denial of service (system crash). A failure to validate block numbers was discovered in the Linux kernel's implementation of the XFS filesystem. A local user can cause a denial of service (system crash) if they can mount, or cause to be mounted a corrupted or special crafted XFS filesystem. Various other issues were also addressed.

tags | advisory, denial of service, kernel, local
systems | linux, ubuntu
advisories | CVE-2013-4254, CVE-2013-1819, CVE-2013-2237, CVE-2013-1819, CVE-2013-2237, CVE-2013-4254
SHA-256 | 0f9fefdbe51478ae4584a337c802dbed9908e144c668effefb4cb60f45b7d502
Red Hat Security Advisory 2013-0829-01
Posted May 20, 2013
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2013-0829-01 - Security fixes: It was found that the kernel-rt update RHBA-2012:0044 introduced an integer conversion issue in the Linux kernel's Performance Events implementation. This led to a user-supplied index into the perf_swevent_enabled array not being validated properly, resulting in out-of-bounds kernel memory access. A local, unprivileged user could use this flaw to escalate their privileges. A public exploit for CVE-2013-2094 that affects Red Hat Enterprise MRG 2 is available. Refer to Red Hat Knowledge Solution 373743, linked to in the References, for further information and mitigation instructions for users who are unable to immediately apply this update.

tags | advisory, kernel, local
systems | linux, redhat
advisories | CVE-2013-0913, CVE-2013-0914, CVE-2013-1767, CVE-2013-1774, CVE-2013-1792, CVE-2013-1819, CVE-2013-1848, CVE-2013-1860, CVE-2013-1929, CVE-2013-1979, CVE-2013-2094, CVE-2013-2546, CVE-2013-2547, CVE-2013-2548, CVE-2013-2634, CVE-2013-2635, CVE-2013-3076, CVE-2013-3222, CVE-2013-3224, CVE-2013-3225, CVE-2013-3231
SHA-256 | 00fadee46a5e7a81db412e709a930a32fe89a5061478a9d3640649e6c28b0cc4
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