CVE-2012-0879

Impact

The I/O implementation for block devices in the Linux kernel before 2.6.33 does not properly handle the CLONE_IO feature, which allows local users to cause a denial of service (I/O instability) by starting multiple processes that share an I/O context.

Affected products

Weakness classification

References

• NVD record
• CVE.org record
• http://ftp.osuosl.org/pub/linux/kernel/v2.6/ChangeLog-2.6.33
• http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=61cc74fbb87af6aa551a06a370590c9bc07e29d9
• http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=b69f2292063d2caf37ca9aec7d63ded203701bf3
• http://lists.opensuse.org/opensuse-security-announce/2012-05/msg00013.html
• http://marc.info/?l=bugtraq&m=139447903326211&w=2
• http://rhn.redhat.com/errata/RHSA-2012-0481.html
• http://rhn.redhat.com/errata/RHSA-2012-0531.html
• http://secunia.com/advisories/48545
• http://secunia.com/advisories/48842
• http://www.debian.org/security/2012/dsa-2469
• http://www.openwall.com/lists/oss-security/2012/02/23/5
• http://www.securitytracker.com/id?1027086
• http://www.ubuntu.com/usn/USN-1408-1
• http://www.ubuntu.com/usn/USN-1410-1
• http://www.ubuntu.com/usn/USN-1411-1
• https://bugzilla.redhat.com/show_bug.cgi?id=796829
• https://github.com/torvalds/linux/commit/61cc74fbb87af6aa551a06a370590c9bc07e29d9
• https://github.com/torvalds/linux/commit/b69f2292063d2caf37ca9aec7d63ded203701bf3
• http://ftp.osuosl.org/pub/linux/kernel/v2.6/ChangeLog-2.6.33
• http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=61cc74fbb87af6aa551a06a370590c9bc07e29d9
• http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=b69f2292063d2caf37ca9aec7d63ded203701bf3
• http://lists.opensuse.org/opensuse-security-announce/2012-05/msg00013.html
• http://marc.info/?l=bugtraq&m=139447903326211&w=2
• http://rhn.redhat.com/errata/RHSA-2012-0481.html
• http://rhn.redhat.com/errata/RHSA-2012-0531.html