Description

The blk_rq_map_user_iov function in block/blk-map.c in the Linux kernel before 2.6.36.2 allows local users to cause a denial of service (panic) via a zero-length I/O request in a device ioctl to a SCSI device.

References

http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=9284bcf4e335e5f18a8bc7b26461c33ab60d0689

http://lists.opensuse.org/opensuse-security-announce/2011-01/msg00000.html

http://lists.opensuse.org/opensuse-security-announce/2011-01/msg00001.html

http://lists.opensuse.org/opensuse-security-announce/2011-01/msg00004.html

http://lists.opensuse.org/opensuse-security-announce/2011-02/msg00000.html

http://openwall.com/lists/oss-security/2010/11/10/18

http://openwall.com/lists/oss-security/2010/11/12/2

http://openwall.com/lists/oss-security/2010/11/29/1

http://secunia.com/advisories/42778

http://secunia.com/advisories/42801

http://secunia.com/advisories/42890

http://secunia.com/advisories/42932

http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.36.2

http://www.mandriva.com/security/advisories?name=MDVSA-2011:029

http://www.redhat.com/support/errata/RHSA-2011-0007.html

http://www.securityfocus.com/bid/44793

http://www.vupen.com/english/advisories/2011/0012

http://www.vupen.com/english/advisories/2011/0124

http://www.vupen.com/english/advisories/2011/0298

https://bugzilla.redhat.com/show_bug.cgi?id=652957

Details

Risk Information

CVSS v2