Vulnerability Monitor

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CVE-2012-0879

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.

Published

2012-05-17T11:00:36.850

Last Modified

2025-04-11T00:51:21.963

Status

Deferred

Source

[email protected]

Severity

CVSSv3.1: 5.5 (MEDIUM)

CVSSv2 Vector

AV:L/AC:L/Au:N/C:N/I:N/A:C

Access Vector: LOCAL
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: NONE
Integrity Impact: NONE
Availability Impact: COMPLETE

Exploitability Score

3.9

Impact Score

6.9

Weaknesses

Type: Primary
CWE-400

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Operating System	linux	linux_kernel	< 2.6.33	Yes
Operating System	canonical	ubuntu_linux	10.04	Yes
Operating System	debian	debian_linux	6.0	Yes
Operating System	suse	linux_enterprise_desktop	11	Yes
Operating System	suse	linux_enterprise_desktop	11	Yes
Operating System	suse	linux_enterprise_high_availability_extension	11	Yes
Operating System	suse	linux_enterprise_server	11	Yes
Operating System	suse	linux_enterprise_server	11	Yes
Operating System	suse	linux_enterprise_server	11	Yes

References

http://ftp.osuosl.org/pub/linux/kernel/v2.6/ChangeLog-2.6.33 Broken Link ([email protected])
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=61cc74fbb87af6aa551a06a370590c9bc07e29d9 ([email protected])
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=b69f2292063d2caf37ca9aec7d63ded203701bf3 ([email protected])
http://lists.opensuse.org/opensuse-security-announce/2012-05/msg00013.html Mailing List, Third Party Advisory ([email protected])
http://marc.info/?l=bugtraq&m=139447903326211&w=2 Mailing List, Third Party Advisory ([email protected])
http://rhn.redhat.com/errata/RHSA-2012-0481.html Third Party Advisory ([email protected])
http://rhn.redhat.com/errata/RHSA-2012-0531.html Third Party Advisory ([email protected])
http://secunia.com/advisories/48545 Not Applicable ([email protected])
http://secunia.com/advisories/48842 Not Applicable ([email protected])
http://www.debian.org/security/2012/dsa-2469 Third Party Advisory ([email protected])
http://www.openwall.com/lists/oss-security/2012/02/23/5 Mailing List, Third Party Advisory ([email protected])
http://www.securitytracker.com/id?1027086 Third Party Advisory, VDB Entry ([email protected])
http://www.ubuntu.com/usn/USN-1408-1 Third Party Advisory ([email protected])
http://www.ubuntu.com/usn/USN-1410-1 Third Party Advisory ([email protected])
http://www.ubuntu.com/usn/USN-1411-1 Third Party Advisory ([email protected])
https://bugzilla.redhat.com/show_bug.cgi?id=796829 Issue Tracking, Patch, Third Party Advisory ([email protected])
https://github.com/torvalds/linux/commit/61cc74fbb87af6aa551a06a370590c9bc07e29d9 Patch, Third Party Advisory ([email protected])
https://github.com/torvalds/linux/commit/b69f2292063d2caf37ca9aec7d63ded203701bf3 Patch, Third Party Advisory ([email protected])
http://ftp.osuosl.org/pub/linux/kernel/v2.6/ChangeLog-2.6.33 Broken Link (af854a3a-2127-422b-91ae-364da2661108)
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=61cc74fbb87af6aa551a06a370590c9bc07e29d9 (af854a3a-2127-422b-91ae-364da2661108)
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=b69f2292063d2caf37ca9aec7d63ded203701bf3 (af854a3a-2127-422b-91ae-364da2661108)
http://lists.opensuse.org/opensuse-security-announce/2012-05/msg00013.html Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://marc.info/?l=bugtraq&m=139447903326211&w=2 Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://rhn.redhat.com/errata/RHSA-2012-0481.html Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://rhn.redhat.com/errata/RHSA-2012-0531.html Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://secunia.com/advisories/48545 Not Applicable (af854a3a-2127-422b-91ae-364da2661108)
http://secunia.com/advisories/48842 Not Applicable (af854a3a-2127-422b-91ae-364da2661108)
http://www.debian.org/security/2012/dsa-2469 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.openwall.com/lists/oss-security/2012/02/23/5 Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.securitytracker.com/id?1027086 Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
http://www.ubuntu.com/usn/USN-1408-1 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.ubuntu.com/usn/USN-1410-1 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.ubuntu.com/usn/USN-1411-1 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://bugzilla.redhat.com/show_bug.cgi?id=796829 Issue Tracking, Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://github.com/torvalds/linux/commit/61cc74fbb87af6aa551a06a370590c9bc07e29d9 Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://github.com/torvalds/linux/commit/b69f2292063d2caf37ca9aec7d63ded203701bf3 Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)