Bug 753341 - (CVE-2011-4132) CVE-2011-4132 kernel: jbd/jbd2: invalid value of first log block leads to oops
CVE-2011-4132 kernel: jbd/jbd2: invalid value of first log block leads to oops
Status: CLOSED ERRATA
Product: Security Response
Classification: Other
Component: vulnerability (Show other bugs)
unspecified
All Linux
medium Severity medium
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Assigned To: Red Hat Product Security
impact=moderate,public=20111101,repor...
: Security
Depends On: 693981 706810 753343 753344 753345 753346 761379
Blocks: 753351
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Reported: 2011-11-11 17:23 EST by Petr Matousek
Modified: 2015-02-16 10:51 EST (History)
27 users (show)

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Doc Type: Bug Fix
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Last Closed: 2013-04-11 13:36:59 EDT
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RHEL 7.3 requirements from Atomic Host:
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Description Petr Matousek 2011-11-11 17:23:06 EST
A flaw was found in the way Linux kernel's Journaling Block Device (JBD) handled invalid log first block value. An attacker able to mount malicious ext3 or ext4 image could use this flaw to crash the system.

Upstream commit:
8762202dd0d6e46854f786bdb6fb3780a1625efe
Comment 3 Petr Matousek 2011-11-11 17:34:36 EST
Created kernel tracking bugs for this issue

Affects: fedora-all [bug 753346]
Comment 5 Petr Matousek 2011-11-11 17:44:29 EST
Statement:

This issue affects the Linux kernel as shipped with Red Hat Enterprise Linux 4,
5, 6, and Red Hat Enterprise MRG. This has been addressed in Red Hat Enterprise Linux 5, 6, and Red Hat Enterprise MRG via https://rhn.redhat.com/errata/RHSA-2012-0007.html, https://rhn.redhat.com/errata/RHSA-2012-0350.html, and https://rhn.redhat.com/errata/RHSA-2012-0010.html. Red Hat
Enterprise Linux 4 is now in Production 3 of the maintenance life-cycle,
https://access.redhat.com/support/policy/updates/errata/, therefore the fix for
this issue is not currently planned to be included in the future updates.
Comment 7 Fedora Update System 2011-11-28 19:22:03 EST
kernel-2.6.35.14-106.fc14 has been pushed to the Fedora 14 stable repository.  If problems still persist, please make note of it in this bug report.
Comment 9 errata-xmlrpc 2012-01-10 15:09:21 EST
This issue has been addressed in following products:

  Red Hat Enterprise Linux 5

Via RHSA-2012:0007 https://rhn.redhat.com/errata/RHSA-2012-0007.html
Comment 10 errata-xmlrpc 2012-01-10 15:16:59 EST
This issue has been addressed in following products:

  MRG for RHEL-6 v.2

Via RHSA-2012:0010 https://rhn.redhat.com/errata/RHSA-2012-0010.html
Comment 11 errata-xmlrpc 2012-02-23 15:23:31 EST
This issue has been addressed in following products:

  MRG for RHEL-6 v.2

Via RHSA-2012:0333 https://rhn.redhat.com/errata/RHSA-2012-0333.html
Comment 12 errata-xmlrpc 2012-03-06 13:44:49 EST
This issue has been addressed in following products:

  Red Hat Enterprise Linux 6

Via RHSA-2012:0350 https://rhn.redhat.com/errata/RHSA-2012-0350.html

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