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Re: CVE request: Linux kernel: xfs: _xfs_buf_find NULL pointer dereference


From: Kurt Seifried <kseifried () redhat com>
Date: Tue, 05 Mar 2013 03:36:29 -0700

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On 03/05/2013 03:08 AM, P J P wrote:
Hello,

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: ------------- ->
https://git.kernel.org/linus/eb178619f930fa2ba2348de332a1ff1c66a31424

 Reference: ---------- ->
https://bugzilla.redhat.com/show_bug.cgi?id=918009

Thank you. -- Prasad J Pandit / Red Hat Security Response Team DB7A
84C5 D3F9 7CD1 B5EB  C939 D048 7860 3655 602B

Please use CVE-2013-1819 for this issue.

- -- 
Kurt Seifried Red Hat Security Response Team (SRT)
PGP: 0x5E267993 A90B F995 7350 148F 66BF 7554 160D 4553 5E26 7993

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