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Bug 809893 - VUL-1: CVE-2012-6541: kernel: net/dccp/ccids information leak in ccid3_hc_tx_getsockopt
VUL-1: CVE-2012-6541: kernel: net/dccp/ccids information leak in ccid3_hc_tx_...
Status: RESOLVED FIXED
Classification: Novell Products
Product: SUSE Security Incidents
Classification: Novell Products
Component: Incidents
unspecified
Other Other
: P4 - Low : Normal
: ---
Assigned To: Security Team bot
Security Team bot
maint:released:sle11-sp1:52298 maint:...
:
Depends on:
Blocks:
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Reported: 2013-03-18 08:31 UTC by Marcus Meissner
Modified: 2014-04-16 18:07 UTC (History)
2 users (show)

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

Attachments
fix for 11sp1-td tree (1.83 KB, patch)
2013-04-24 16:10 UTC, Michal Hocko 		Details | Diff
fix for sles10 (1.97 KB, patch)
2013-04-24 16:25 UTC, Michal Hocko 		Details | Diff
View All Add an attachment (proposed patch, testcase, etc.)

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Description Marcus Meissner 2013-03-18 08:31:01 UTC 
is public, via oss-sec

CVE-2012-6541

http://www.openwall.com/lists/oss-security/2013/03/05/13

The ccid3_hc_tx_getsockopt function in net/dccp/ccids/ccid3.c in the
Linux kernel before 3.6 does not initialize a certain structure, which
allows local users to obtain sensitive information from kernel stack
memory via a crafted application.

commit 7b07f8eb75aa3097cdfd4f6eac3da49db787381d
Author: Mathias Krause <minipli@googlemail.com>
Date:   Wed Aug 15 11:31:55 2012 +0000

    dccp: fix info leak via getsockopt(DCCP_SOCKOPT_CCID_TX_INFO)
    
    The CCID3 code fails to initialize the trailing padding bytes of struct
    tfrc_tx_info added for alignment on 64 bit architectures. It that for
    potentially leaks four bytes kernel stack via the getsockopt() syscall.
    Add an explicit memset(0) before filling the structure to avoid the
    info leak.
    
    Signed-off-by: Mathias Krause <minipli@googlemail.com>
    Cc: Gerrit Renker <gerrit@erg.abdn.ac.uk>
    Signed-off-by: David S. Miller <davem@davemloft.net>
Comment 1 Swamp Workflow Management 2013-03-18 23:00:36 UTC 
bugbot adjusting priority
Comment 2 Marcus Meissner 2013-03-19 15:29:36 UTC 
SLE11 SP2: patches.kernel.org/patch-3.0.43-44
Comment 3 Michal Hocko 2013-04-24 16:09:46 UTC 
SLE11-SP1 doesn't have http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=67b67e36 introduced in 2.6.37-rc1 (cleanup ;)) which has introduced the stack leak part.

I guess we still need to the alignment part. In order to do that I had to introduce the stack local variable as well for a copy. I will attach the patch here.
Comment 4 Michal Hocko 2013-04-24 16:10:14 UTC 
Created attachment 536712 [details]
fix for 11sp1-td tree
Comment 5 Michal Hocko 2013-04-24 16:25:57 UTC 
Created attachment 536714 [details]
fix for sles10

including the patch tags this time. Should be applicable to SLES10_SP4_BRANCH (I just do not have time to push it there).
Comment 6 Michal Hocko 2013-04-24 16:40:31 UTC 
pushed to SLES10-SP3-TD and SLE11-SP1-TD. SLES9-SP3-TD doesn't have the driver
Comment 7 Swamp Workflow Management 2013-04-26 18:37:17 UTC 
The SWAMPID for this issue is 52297.
This issue was rated as important.
Please submit fixed packages until 2013-05-03.
Also create a patchinfo file using this link:
https://swamp.suse.de/webswamp/wf/52297
Comment 8 Swamp Workflow Management 2013-05-02 14:05:33 UTC 
Update released for: kernel-default, kernel-default-base, kernel-default-debuginfo, kernel-default-debugsource, kernel-default-devel, kernel-default-devel-debuginfo, kernel-default-extra, kernel-source, kernel-source-debuginfo, kernel-source-vanilla, kernel-syms, kernel-trace, kernel-trace-base, kernel-trace-debuginfo, kernel-trace-debugsource, kernel-trace-devel, kernel-trace-devel-debuginfo, kernel-trace-extra, kernel-xen, kernel-xen-base, kernel-xen-debuginfo, kernel-xen-debugsource, kernel-xen-devel, kernel-xen-devel-debuginfo, kernel-xen-extra, xen-kmp-default, xen-kmp-trace
Products:
SLE-SERVER 11-SP1-TERADATA (x86_64)
Comment 9 Swamp Workflow Management 2013-05-16 09:14:48 UTC 
The SWAMPID for this issue is 52492.
This issue was rated as important.
Please submit fixed packages until 2013-05-23.
Also create a patchinfo file using this link:
https://swamp.suse.de/webswamp/wf/52492
Comment 10 Swamp Workflow Management 2013-05-22 16:05:23 UTC 
Update released for: kernel-debug, kernel-debug-debuginfo, kernel-default, kernel-default-debuginfo, kernel-kdump, kernel-kdump-debuginfo, kernel-smp, kernel-smp-debuginfo, kernel-source, kernel-source-debuginfo, kernel-syms, kernel-xen, kernel-xen-debuginfo
Products:
SLE-SERVER 10-SP3-TERADATA (x86_64)
Comment 11 Jeff Mahoney 2013-08-01 14:56:25 UTC 
Fix applied to 12.2 via 3.4.12.
Fix applied upstream in 3.6 so newer releases are unaffected.
Comment 12 Marcus Meissner 2013-10-04 16:26:05 UTC 
interesting stuff done, sles10 sp4 not required anymore
Comment 13 Swamp Workflow Management 2013-11-06 14:33:59 UTC 
The SWAMPID for this issue is 54954.
This issue was rated as moderate.
Please submit fixed packages until 2013-11-20.
When done, please reassign the bug to security-team@suse.de.
Patchinfo will be handled by security team.
Comment 14 Swamp Workflow Management 2013-12-06 23:52:04 UTC 
Update released for: kernel-default, kernel-default-debuginfo, kernel-source, kernel-syms
Products:
SLE-DEBUGINFO 10-SP3 (s390x)
SLE-SERVER 10-SP3-LTSS (s390x)
Comment 15 Swamp Workflow Management 2013-12-07 01:46:56 UTC 
Update released for: kernel-bigsmp, kernel-bigsmp-debuginfo, kernel-debug, kernel-debug-debuginfo, kernel-default, kernel-default-debuginfo, kernel-kdump, kernel-kdump-debuginfo, kernel-kdumppae, kernel-kdumppae-debuginfo, kernel-smp, kernel-smp-debuginfo, kernel-source, kernel-source-debuginfo, kernel-syms, kernel-syms-debuginfo, kernel-vmi, kernel-vmi-debuginfo, kernel-vmipae, kernel-vmipae-debuginfo, kernel-xen, kernel-xen-debuginfo, kernel-xenpae, kernel-xenpae-debuginfo
Products:
SLE-DEBUGINFO 10-SP3 (i386)
SLE-SERVER 10-SP3-LTSS (i386)
Comment 16 Swamp Workflow Management 2014-02-24 08:54:04 UTC 
Update released for: btrfs-kmp-default, btrfs-kmp-pae, btrfs-kmp-trace, btrfs-kmp-xen, cluster-network-kmp-default, cluster-network-kmp-pae, cluster-network-kmp-trace, cluster-network-kmp-xen, ext4dev-kmp-default, ext4dev-kmp-pae, ext4dev-kmp-trace, ext4dev-kmp-xen, gfs2-kmp-default, gfs2-kmp-pae, gfs2-kmp-trace, gfs2-kmp-xen, hyper-v-kmp-default, hyper-v-kmp-pae, hyper-v-kmp-trace, kernel-default, kernel-default-base, kernel-default-debuginfo, kernel-default-debugsource, kernel-default-devel, kernel-default-devel-debuginfo, kernel-default-extra, kernel-desktop-devel, kernel-ec2, kernel-ec2-base, kernel-ec2-debuginfo, kernel-ec2-debugsource, kernel-ec2-devel, kernel-ec2-devel-debuginfo, kernel-ec2-extra, kernel-pae, kernel-pae-base, kernel-pae-debuginfo, kernel-pae-debugsource, kernel-pae-devel, kernel-pae-devel-debuginfo, kernel-pae-extra, kernel-source, kernel-source-debuginfo, kernel-source-vanilla, kernel-syms, kernel-trace, kernel-trace-base, kernel-trace-debuginfo, kernel-trace-debugsource, kernel-trace-devel, kernel-trace-devel-debuginfo, kernel-trace-extra, kernel-xen, kernel-xen-base, kernel-xen-debuginfo, kernel-xen-debugsource, kernel-xen-devel, kernel-xen-devel-debuginfo, kernel-xen-extra, ocfs2-kmp-default, ocfs2-kmp-pae, ocfs2-kmp-trace, ocfs2-kmp-xen
Products:
SLE-DEBUGINFO 11-SP1 (i386)
SLE-SERVER 11-SP1-LTSS (i386)
Comment 17 Swamp Workflow Management 2014-02-24 09:10:02 UTC 
Update released for: btrfs-kmp-default, btrfs-kmp-trace, cluster-network-kmp-default, cluster-network-kmp-trace, ext4dev-kmp-default, ext4dev-kmp-trace, gfs2-kmp-default, gfs2-kmp-trace, kernel-default, kernel-default-base, kernel-default-debuginfo, kernel-default-debugsource, kernel-default-devel, kernel-default-devel-debuginfo, kernel-default-extra, kernel-default-man, kernel-source, kernel-source-debuginfo, kernel-source-vanilla, kernel-syms, kernel-trace, kernel-trace-base, kernel-trace-debuginfo, kernel-trace-debugsource, kernel-trace-devel, kernel-trace-devel-debuginfo, kernel-trace-extra, kernel-trace-man, ocfs2-kmp-default, ocfs2-kmp-trace
Products:
SLE-DEBUGINFO 11-SP1 (s390x)
SLE-SERVER 11-SP1-LTSS (s390x)
Comment 18 Swamp Workflow Management 2014-02-24 09:54:29 UTC 
Update released for: btrfs-kmp-default, btrfs-kmp-trace, btrfs-kmp-xen, cluster-network-kmp-default, cluster-network-kmp-trace, cluster-network-kmp-xen, ext4dev-kmp-default, ext4dev-kmp-trace, ext4dev-kmp-xen, gfs2-kmp-default, gfs2-kmp-trace, gfs2-kmp-xen, hyper-v-kmp-default, hyper-v-kmp-trace, kernel-default, kernel-default-base, kernel-default-debuginfo, kernel-default-debugsource, kernel-default-devel, kernel-default-devel-debuginfo, kernel-default-extra, kernel-desktop-devel, kernel-ec2, kernel-ec2-base, kernel-ec2-debuginfo, kernel-ec2-debugsource, kernel-ec2-devel, kernel-ec2-devel-debuginfo, kernel-ec2-extra, kernel-source, kernel-source-debuginfo, kernel-source-vanilla, kernel-syms, kernel-trace, kernel-trace-base, kernel-trace-debuginfo, kernel-trace-debugsource, kernel-trace-devel, kernel-trace-devel-debuginfo, kernel-trace-extra, kernel-xen, kernel-xen-base, kernel-xen-debuginfo, kernel-xen-debugsource, kernel-xen-devel, kernel-xen-devel-debuginfo, kernel-xen-extra, ocfs2-kmp-default, ocfs2-kmp-trace, ocfs2-kmp-xen
Products:
SLE-DEBUGINFO 11-SP1 (x86_64)
SLE-SERVER 11-SP1-LTSS (x86_64)
Comment 19 Swamp Workflow Management 2014-02-24 14:21:56 UTC 
SUSE-SU-2014:0287-1: An update that solves 84 vulnerabilities and has 41 fixes is now available.

Category: security (moderate)
Bug References: 714906,715250,735347,744955,745640,748896,752544,754898,760596,761774,762099,762366,763463,763654,767610,767612,768668,769644,769896,770695,771706,771992,772849,773320,773383,773577,773640,773831,774523,775182,776024,776144,776885,777473,780004,780008,780572,782178,785016,786013,787573,787576,789648,789831,795354,797175,798050,800280,801178,802642,803320,804154,804653,805226,805227,805945,806138,806976,806977,806980,807320,808358,808827,809889,809891,809892,809893,809894,809898,809899,809900,809901,809902,809903,810045,810473,811354,812364,813276,813735,814363,814716,815352,815745,816668,817377,818337,818371,820338,822575,822579,823260,823267,823618,824159,824295,825227,826707,827416,827749,827750,828012,828119,833820,835094,835481,835839,840226,840858,845028,847652,847672,848321,849021,851095,851103,852558,852559,853050,853051,853052,856917,858869,858870,858872
CVE References: CVE-2011-1083,CVE-2011-3593,CVE-2012-1601,CVE-2012-2137,CVE-2012-2372,CVE-2012-2745,CVE-2012-3375,CVE-2012-3412,CVE-2012-3430,CVE-2012-3511,CVE-2012-4444,CVE-2012-4530,CVE-2012-4565,CVE-2012-6537,CVE-2012-6538,CVE-2012-6539,CVE-2012-6540,CVE-2012-6541,CVE-2012-6542,CVE-2012-6544,CVE-2012-6545,CVE-2012-6546,CVE-2012-6547,CVE-2012-6548,CVE-2012-6549,CVE-2013-0160,CVE-2013-0216,CVE-2013-0231,CVE-2013-0268,CVE-2013-0310,CVE-2013-0343,CVE-2013-0349,CVE-2013-0871,CVE-2013-0914,CVE-2013-1767,CVE-2013-1773,CVE-2013-1774,CVE-2013-1792,CVE-2013-1796,CVE-2013-1797,CVE-2013-1798,CVE-2013-1827,CVE-2013-1928,CVE-2013-1943,CVE-2013-2015,CVE-2013-2141,CVE-2013-2147,CVE-2013-2164,CVE-2013-2232,CVE-2013-2234,CVE-2013-2237,CVE-2013-2634,CVE-2013-2851,CVE-2013-2852,CVE-2013-2888,CVE-2013-2889,CVE-2013-2892,CVE-2013-2893,CVE-2013-2897,CVE-2013-2929,CVE-2013-3222,CVE-2013-3223,CVE-2013-3224,CVE-2013-3225,CVE-2013-3228,CVE-2013-3229,CVE-2013-3231,CVE-2013-3232,CVE-2013-3234,CVE-2013-3235,CVE-2013-4345,CVE-2013-4470,CVE-2013-4483,CVE-2013-4511,CVE-2013-4587,CVE-2013-4588,CVE-2013-4591,CVE-2013-6367,CVE-2013-6368,CVE-2013-6378,CVE-2013-6383,CVE-2014-1444,CVE-2014-1445,CVE-2014-1446
Sources used:
SUSE Linux Enterprise Server 11 SP1 LTSS (src):    btrfs-0-0.3.151, ext4dev-0-7.9.118, hyper-v-0-0.18.37, kernel-default-2.6.32.59-0.9.1, kernel-ec2-2.6.32.59-0.9.1, kernel-pae-2.6.32.59-0.9.1, kernel-source-2.6.32.59-0.9.1, kernel-syms-2.6.32.59-0.9.1, kernel-trace-2.6.32.59-0.9.1, kernel-xen-2.6.32.59-0.9.1
SLE 11 SERVER Unsupported Extras (src):    kernel-default-2.6.32.59-0.9.1, kernel-pae-2.6.32.59-0.9.1, kernel-xen-2.6.32.59-0.9.1
Comment 20 Swamp Workflow Management 2014-02-24 14:40:38 UTC 
Update released for: kernel-default-extra, kernel-xen-extra
Products:
SLE-SERVER 11-EXTRA (x86_64)
Comment 21 Swamp Workflow Management 2014-02-24 15:11:03 UTC 
Update released for: kernel-default-extra, kernel-pae-extra, kernel-xen-extra
Products:
SLE-SERVER 11-EXTRA (i386)
Comment 22 Swamp Workflow Management 2014-02-24 16:12:28 UTC 
Update released for: kernel-default-extra
Products:
SLE-SERVER 11-EXTRA (s390x)
Comment 23 Swamp Workflow Management 2014-04-16 12:48:23 UTC 
Update released for: kernel-default, kernel-default-debuginfo, kernel-source, kernel-syms
Products:
SLE-DEBUGINFO 10-SP4 (s390x)
SLE-SERVER 10-SP4-LTSS (s390x)
Comment 24 Swamp Workflow Management 2014-04-16 13:19:24 UTC 
Update released for: kernel-bigsmp, kernel-bigsmp-debuginfo, kernel-debug, kernel-debug-debuginfo, kernel-default, kernel-default-debuginfo, kernel-kdump, kernel-kdump-debuginfo, kernel-kdumppae, kernel-kdumppae-debuginfo, kernel-smp, kernel-smp-debuginfo, kernel-source, kernel-source-debuginfo, kernel-syms, kernel-syms-debuginfo, kernel-vmi, kernel-vmi-debuginfo, kernel-vmipae, kernel-vmipae-debuginfo, kernel-xen, kernel-xen-debuginfo, kernel-xenpae, kernel-xenpae-debuginfo
Products:
SLE-DEBUGINFO 10-SP4 (i386)
SLE-SERVER 10-SP4-LTSS (i386)
Comment 25 Swamp Workflow Management 2014-04-16 13:59:13 UTC 
Update released for: kernel-debug, kernel-debug-debuginfo, kernel-default, kernel-default-debuginfo, kernel-kdump, kernel-kdump-debuginfo, kernel-smp, kernel-smp-debuginfo, kernel-source, kernel-source-debuginfo, kernel-syms, kernel-xen, kernel-xen-debuginfo
Products:
SLE-DEBUGINFO 10-SP4 (x86_64)
SLE-SERVER 10-SP4-LTSS (x86_64)
Comment 26 Swamp Workflow Management 2014-04-16 18:07:52 UTC 
SUSE-SU-2014:0536-1: An update that solves 42 vulnerabilities and has 8 fixes is now available.

Category: security (important)
Bug References: 702014,703156,790920,798050,805226,806219,808827,809889,809891,809892,809893,809894,809898,809899,809900,809901,809903,811354,816668,820338,822722,823267,824295,825052,826102,826551,827362,827749,827750,827855,827983,828119,830344,831058,832603,835839,842239,843430,845028,847672,848321,849765,850241,851095,852558,853501,857597,858869,858870,858872
CVE References: CVE-2011-2492,CVE-2011-2494,CVE-2012-6537,CVE-2012-6539,CVE-2012-6540,CVE-2012-6541,CVE-2012-6542,CVE-2012-6544,CVE-2012-6545,CVE-2012-6546,CVE-2012-6547,CVE-2012-6549,CVE-2013-0343,CVE-2013-0914,CVE-2013-1827,CVE-2013-2141,CVE-2013-2164,CVE-2013-2206,CVE-2013-2232,CVE-2013-2234,CVE-2013-2237,CVE-2013-2888,CVE-2013-2893,CVE-2013-2897,CVE-2013-3222,CVE-2013-3223,CVE-2013-3224,CVE-2013-3228,CVE-2013-3229,CVE-2013-3231,CVE-2013-3232,CVE-2013-3234,CVE-2013-3235,CVE-2013-4162,CVE-2013-4387,CVE-2013-4470,CVE-2013-4483,CVE-2013-4588,CVE-2013-6383,CVE-2014-1444,CVE-2014-1445,CVE-2014-1446
Sources used:
SUSE Linux Enterprise Server 10 SP4 LTSS (src):    kernel-bigsmp-2.6.16.60-0.105.1, kernel-debug-2.6.16.60-0.105.1, kernel-default-2.6.16.60-0.105.1, kernel-kdump-2.6.16.60-0.105.1, kernel-kdumppae-2.6.16.60-0.105.1, kernel-smp-2.6.16.60-0.105.1, kernel-source-2.6.16.60-0.105.1, kernel-syms-2.6.16.60-0.105.1, kernel-vmi-2.6.16.60-0.105.1, kernel-vmipae-2.6.16.60-0.105.1, kernel-xen-2.6.16.60-0.105.1, kernel-xenpae-2.6.16.60-0.105.1
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