CVE-2011-4127

N/A Unknown

Published: July 03, 2012 Modified: April 29, 2026

Description

The Linux kernel before 3.2.2 does not properly restrict SG_IO ioctl calls, which allows local users to bypass intended restrictions on disk read and write operations by sending a SCSI command to (1) a partition block device or (2) an LVM volume.

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References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory

http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=0bfc96cb77224736dfa35c3c555d37b3646ef35e

Source: secalert@redhat.com

http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=ec8013beddd717d1740cfefb1a9b900deef85462

Source: secalert@redhat.com

http://lists.opensuse.org/opensuse-security-announce/2012-04/msg00021.html

Source: secalert@redhat.com

http://lists.opensuse.org/opensuse-security-announce/2015-04/msg00020.html

Source: secalert@redhat.com

http://secunia.com/advisories/48898

Source: secalert@redhat.com

http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.2.2

Source: secalert@redhat.com

http://www.openwall.com/lists/oss-security/2011/12/22/5

Source: secalert@redhat.com

https://bugzilla.redhat.com/show_bug.cgi?id=752375

Source: secalert@redhat.com

https://github.com/torvalds/linux/commit/0bfc96cb77224736dfa35c3c555d37b3646ef35e

Source: secalert@redhat.com

Exploit Patch

https://github.com/torvalds/linux/commit/ec8013beddd717d1740cfefb1a9b900deef85462

Source: secalert@redhat.com

Exploit Patch

http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=0bfc96cb77224736dfa35c3c555d37b3646ef35e