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Bug 956707 - (CVE-2015-8324) VUL-0: CVE-2015-8324: kernel: Null pointer dereference when mounting ext4
(CVE-2015-8324)
VUL-0: CVE-2015-8324: kernel: Null pointer dereference when mounting ext4
Status: RESOLVED FIXED
Classification: Novell Products
Product: SUSE Security Incidents
Classification: Novell Products
Component: Incidents
unspecified
Other Other
: P3 - Medium : Minor
: ---
Assigned To: Security Team bot
Security Team bot
https://smash.suse.de/issue/159056/
CVSSv2:SUSE:CVE-2015-8324:2.1:(AV:L/A...
:
Depends on:
Blocks:
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Reported: 2015-11-25 14:40 UTC by Alexander Bergmann
Modified: 2016-09-01 14:21 UTC (History)
5 users (show)

See Also:
Found By: Security Response Team
Services Priority:
Business Priority:
Blocker: ---
Marketing QA Status: ---
IT Deployment: ---

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Description Alexander Bergmann 2015-11-25 14:40:46 UTC 
rh#1267261

It was reported that there are some exit points in ext4_fill_super which result in destruction of workqueue which is not yet initialized, leading to kernel NULL pointer dereference.

Oops report can be found in product bug:

https://bugzilla.redhat.com/show_bug.cgi?id=1266862

References:
https://bugzilla.redhat.com/show_bug.cgi?id=1267261
http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2015-8324
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-8324
Comment 1 Swamp Workflow Management 2015-11-25 23:00:43 UTC 
bugbot adjusting priority
Comment 3 Jan Kara 2015-11-27 10:41:49 UTC 
So we already had the second patch in all our SLE11 branches. I have added the first patch to all the branches as well. All is done from my side, reassigning to the security team.
Comment 4 Marcus Meissner 2016-03-22 16:15:21 UTC 
released, tracked under bug 956709
Comment 5 Swamp Workflow Management 2016-05-03 17:15:00 UTC 
SUSE-SU-2016:1203-1: An update that solves 41 vulnerabilities and has 49 fixes is now available.

Category: security (important)
Bug References: 758040,781018,879378,879381,904035,924919,934787,935123,937444,939955,940017,940413,940913,940946,941514,942082,946122,947128,948330,949298,949752,949936,950750,950998,951392,952976,954628,955308,955354,955654,955673,956375,956514,956707,956708,956709,956852,956949,957988,957990,958463,958886,958906,958912,958951,959190,959312,959399,959705,960857,961500,961509,961512,961516,961518,963276,963765,963767,963998,964201,965319,965923,966437,966693,967863,967972,967973,967974,967975,968010,968011,968012,968013,968141,968670,969307,970504,970892,970909,970911,970948,970956,970958,970970,971124,971125,971360,973570,974646,975945
CVE References: CVE-2013-7446,CVE-2015-7509,CVE-2015-7515,CVE-2015-7550,CVE-2015-7566,CVE-2015-7799,CVE-2015-8215,CVE-2015-8539,CVE-2015-8543,CVE-2015-8550,CVE-2015-8551,CVE-2015-8552,CVE-2015-8569,CVE-2015-8575,CVE-2015-8767,CVE-2015-8785,CVE-2015-8812,CVE-2015-8816,CVE-2016-0723,CVE-2016-2069,CVE-2016-2143,CVE-2016-2184,CVE-2016-2185,CVE-2016-2186,CVE-2016-2188,CVE-2016-2384,CVE-2016-2543,CVE-2016-2544,CVE-2016-2545,CVE-2016-2546,CVE-2016-2547,CVE-2016-2548,CVE-2016-2549,CVE-2016-2782,CVE-2016-2847,CVE-2016-3137,CVE-2016-3138,CVE-2016-3139,CVE-2016-3140,CVE-2016-3156,CVE-2016-3955
Sources used:
SUSE OpenStack Cloud 5 (src):    kernel-bigsmp-3.0.101-0.47.79.1, kernel-default-3.0.101-0.47.79.1, kernel-ec2-3.0.101-0.47.79.1, kernel-source-3.0.101-0.47.79.1, kernel-syms-3.0.101-0.47.79.1, kernel-trace-3.0.101-0.47.79.1, kernel-xen-3.0.101-0.47.79.1
SUSE Manager Proxy 2.1 (src):    kernel-bigsmp-3.0.101-0.47.79.1, kernel-default-3.0.101-0.47.79.1, kernel-ec2-3.0.101-0.47.79.1, kernel-source-3.0.101-0.47.79.1, kernel-syms-3.0.101-0.47.79.1, kernel-trace-3.0.101-0.47.79.1, kernel-xen-3.0.101-0.47.79.1
SUSE Manager 2.1 (src):    kernel-bigsmp-3.0.101-0.47.79.1, kernel-default-3.0.101-0.47.79.1, kernel-ec2-3.0.101-0.47.79.1, kernel-source-3.0.101-0.47.79.1, kernel-syms-3.0.101-0.47.79.1, kernel-trace-3.0.101-0.47.79.1, kernel-xen-3.0.101-0.47.79.1
SUSE Linux Enterprise Server 11-SP3-LTSS (src):    kernel-bigsmp-3.0.101-0.47.79.1, kernel-default-3.0.101-0.47.79.1, kernel-ec2-3.0.101-0.47.79.1, kernel-pae-3.0.101-0.47.79.1, kernel-source-3.0.101-0.47.79.1, kernel-syms-3.0.101-0.47.79.1, kernel-trace-3.0.101-0.47.79.1, kernel-xen-3.0.101-0.47.79.1
SUSE Linux Enterprise Server 11-EXTRA (src):    kernel-bigsmp-3.0.101-0.47.79.1, kernel-default-3.0.101-0.47.79.1, kernel-pae-3.0.101-0.47.79.1, kernel-ppc64-3.0.101-0.47.79.1, kernel-trace-3.0.101-0.47.79.1, kernel-xen-3.0.101-0.47.79.1
SUSE Linux Enterprise Debuginfo 11-SP3 (src):    kernel-bigsmp-3.0.101-0.47.79.1, kernel-default-3.0.101-0.47.79.1, kernel-ec2-3.0.101-0.47.79.1, kernel-pae-3.0.101-0.47.79.1, kernel-trace-3.0.101-0.47.79.1, kernel-xen-3.0.101-0.47.79.1
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