Description
The sisfb_ioctl function in drivers/video/sis/sis_main.c in the Linux kernel before 2.6.36-rc6 does not properly initialize a certain structure member, which allows local users to obtain potentially sensitive information from kernel stack memory via an FBIOGET_VBLANK ioctl call.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
n/a n/a
n/aaffected
References
- http://www.openwall.com/lists/oss-security/2010/09/25/2 ↗
- http://secunia.com/advisories/42778 ↗
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=fd02db9de73faebc51240619c7c7f99bee9f65c7 ↗
- http://www.securityfocus.com/bid/43810 ↗
- http://secunia.com/advisories/42801 ↗
- http://lists.opensuse.org/opensuse-security-announce/2011-01/msg00001.html ↗
- http://www.openwall.com/lists/oss-security/2010/10/06/6 ↗
- http://lists.opensuse.org/opensuse-security-announce/2011-01/msg00000.html ↗
- http://lists.opensuse.org/opensuse-security-announce/2011-02/msg00000.html ↗
- http://lists.opensuse.org/opensuse-security-announce/2010-12/msg00004.html ↗
- http://www.vupen.com/english/advisories/2011/0298 ↗
- http://www.mandriva.com/security/advisories?name=MDVSA-2011:051 ↗
- http://www.openwall.com/lists/oss-security/2010/10/07/1 ↗
- https://bugzilla.redhat.com/show_bug.cgi?id=648665 ↗
- http://www.vupen.com/english/advisories/2011/0012 ↗
- http://www.openwall.com/lists/oss-security/2010/10/25/3 ↗
- http://www.kernel.org/pub/linux/kernel/v2.6/testing/v2.6.36/ChangeLog-2.6.36-rc6 ↗
- http://www.debian.org/security/2010/dsa-2126 ↗