Bug 1083270 (CVE-2013-7348) - CVE-2013-7348 kernel: aio: double free in ioctx_alloc
Summary: CVE-2013-7348 kernel: aio: double free in ioctx_alloc
Keywords:
Status: CLOSED NOTABUG
Alias: CVE-2013-7348
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 1083271
Blocks: 1083273
TreeView+ depends on / blocked
 
Reported: 2014-04-01 19:21 UTC by Petr Matousek
Modified: 2021-02-17 06:42 UTC (History)
31 users (show)

Fixed In Version:
Doc Type: Bug Fix
Doc Text:
Clone Of:
Environment:
Last Closed: 2014-04-01 19:22:25 UTC
Embargoed:

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Description Petr Matousek 2014-04-01 19:21:19 UTC 
ioctx_alloc() calls aio_setup_ring() to allocate a ring. If aio_setup_ring() fails to do so it would call aio_free_ring() before returning, but ioctx_alloc() would call aio_free_ring() again causing a double free of the ring. 

Upstream fix:
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=d558023207e008a4476a3b7bb8706b2a2bf5d84f

References:
http://seclists.org/oss-sec/2014/q1/711
Comment 1 Petr Matousek 2014-04-01 19:22:25 UTC 
Statement:

Not vulnerable.

This issued does not affect Red Hat Enterprise Linux 5, 6 and Red Hat Enterprise MRG 2.
Comment 2 Petr Matousek 2014-04-01 19:22:59 UTC 
Created kernel tracking bugs for this issue:

Affects: fedora-all [bug 1083271]
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