Bug 1083213 (CVE-2014-2673) - CVE-2014-2673 kernel: powerpc: tm: crash when forking inside a transaction
Summary: CVE-2014-2673 kernel: powerpc: tm: crash when forking inside a transaction
Keywords:
Status: CLOSED ERRATA
Alias: CVE-2014-2673
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: 1083214 1083215 1083217
Blocks: 1083261
TreeView+ depends on / blocked
 
Reported: 2014-04-01 17:23 UTC by Petr Matousek
Modified: 2021-02-17 06:43 UTC (History)
32 users (show)

Fixed In Version:
Doc Type: Bug Fix
Doc Text:
A flaw was found in the way the Linux kernel performed forking inside of a transaction. A local, unprivileged user on a PowerPC system that supports transactional memory could use this flaw to crash the system.
Clone Of:
Environment:
Last Closed: 2014-08-06 17:40:04 UTC
Embargoed:


Attachments (Terms of Use)


Links
System ID Private Priority Status Summary Last Updated
Red Hat Product Errata RHSA-2014:1023 0 normal SHIPPED_LIVE Important: kernel security and bug fix update 2014-08-06 21:10:29 UTC

Description Petr Matousek 2014-04-01 17:23:11 UTC
A flaw was found in the way forking inside a transaction was handled in the Linux kernel.

Unprivileged local user on a POWERPC system supporting transactional memory could use this flaw to crash the system.

Upstream fix:
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=621b5060e823301d0cba4cb52a7ee3491922d291

References:
http://seclists.org/oss-sec/2014/q1/701

Comment 2 Petr Matousek 2014-04-01 17:26:50 UTC
Statement:

This issue does not affect Red Hat Enterprise Linux 5 and 6 because we do not provide support for Transactional Memory on Power PC architecture.

This issue does not affect Red Hat Enterprise MRG 2 because we do not support Power PC architecture.

Comment 3 Petr Matousek 2014-04-01 17:27:46 UTC
Created kernel tracking bugs for this issue:

Affects: fedora-all [bug 1083217]

Comment 4 Martin Prpič 2014-08-05 12:08:38 UTC
IssueDescription:

A flaw was found in the way the Linux kernel performed forking inside of a transaction. A local, unprivileged user on a PowerPC system that supports transactional memory could use this flaw to crash the system.

Comment 5 errata-xmlrpc 2014-08-06 17:10:42 UTC
This issue has been addressed in following products:

  Red Hat Enterprise Linux 7

Via RHSA-2014:1023 https://rhn.redhat.com/errata/RHSA-2014-1023.html


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