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Bug 460402 (CVE-2013-1819) - Kernel : xfs: _xfs_buf_find oops on blocks beyond the filesystem end (CVE-2013-1819)
Summary: Kernel : xfs: _xfs_buf_find oops on blocks beyond the filesystem end (CVE-201...
Alias: CVE-2013-1819
Product: Gentoo Security
Classification: Unclassified
Component: Kernel (show other bugs)
Hardware: All Linux
: Normal normal (vote)
Assignee: Gentoo Kernel Security
Depends on:
Reported: 2013-03-05 13:02 UTC by Agostino Sarubbo
Modified: 2018-04-04 19:14 UTC (History)
1 user (show)

See Also:
Package list:
Runtime testing required: ---


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Description Agostino Sarubbo gentoo-dev 2013-03-05 13:02:55 UTC
From $URL :

Linux kernel built with support for XFS file system is vulnerable to a NULL
pointer dereference flaw. This occurs while accessing blocks beyond the end
of the file system, possibly on a corrupted device.

A user able to mount the file system could use this flaw to crash the kernel, resulting in DoS.

Upstream fix:
Comment 1 Christopher Díaz Riveros (RETIRED) gentoo-dev Security 2018-04-04 19:14:39 UTC
There are no longer any 2.x or <3.7.6 kernels available in the repository with
the exception of sys-kernel/xbox-sources which is unsupported by security.