Vulnerability CVE-2013-1928
Published: 2013-04-29

Description:
The do_video_set_spu_palette function in fs/compat_ioctl.c in the Linux kernel before 3.6.5 on unspecified architectures lacks a certain error check, which might allow local users to obtain sensitive information from kernel stack memory via a crafted VIDEO_SET_SPU_PALETTE ioctl call on a /dev/dvb device.

See advisories in our WLB2 database:
Topic
Author
Date
Med.
Linux Kernel fs/compat_ioctl.c VIDEO_SET_SPU_PALETTE missing error check
Marcus
06.04.2013

Type:

CWE-200

 (Information Exposure)

CVSS2 => (AV:L/AC:M/Au:N/C:C/I:N/A:N)

CVSS Base Score
Impact Subscore
Exploitability Subscore
4.7/10
6.9/10
3.4/10
Exploit range
Attack complexity
Authentication
Local
Medium
No required
Confidentiality impact
Integrity impact
Availability impact
Complete
None
None
Affected software
Redhat -> Enterprise linux 
Linux -> Linux kernel 

 References:
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=12176503366885edd542389eed3aaf94be163fdb
http://lists.opensuse.org/opensuse-security-announce/2013-05/msg00018.html
http://lists.opensuse.org/opensuse-security-announce/2013-06/msg00000.html
http://rhn.redhat.com/errata/RHSA-2013-1645.html
http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.6.5
http://www.openwall.com/lists/oss-security/2013/04/06/2
http://www.openwall.com/lists/oss-security/2013/04/09/6
http://www.ubuntu.com/usn/USN-1829-1
https://bugzilla.redhat.com/show_bug.cgi?id=949567
https://github.com/torvalds/linux/commit/12176503366885edd542389eed3aaf94be163fdb
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