Vulnerability Description
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.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | < 2.6.33 |
| Canonical | Ubuntu Linux | 10.04 |
| Debian | Debian Linux | 6.0 |
| Suse | Linux Enterprise Desktop | 11 |
| Suse | Linux Enterprise High Availability Extension | 11 |
| Suse | Linux Enterprise Server | 11 |
Related Weaknesses (CWE)
References
- http://ftp.osuosl.org/pub/linux/kernel/v2.6/ChangeLog-2.6.33Broken Link
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=
- http://lists.opensuse.org/opensuse-security-announce/2012-05/msg00013.htmlMailing ListThird Party Advisory
- http://marc.info/?l=bugtraq&m=139447903326211&w=2Mailing ListThird Party Advisory
- http://rhn.redhat.com/errata/RHSA-2012-0481.htmlThird Party Advisory
- http://rhn.redhat.com/errata/RHSA-2012-0531.htmlThird Party Advisory
- http://secunia.com/advisories/48545Not Applicable
- http://secunia.com/advisories/48842Not Applicable
- http://www.debian.org/security/2012/dsa-2469Third Party Advisory
- http://www.openwall.com/lists/oss-security/2012/02/23/5Mailing ListThird Party Advisory
- http://www.securitytracker.com/id?1027086Third Party AdvisoryVDB Entry
- http://www.ubuntu.com/usn/USN-1408-1Third Party Advisory
- http://www.ubuntu.com/usn/USN-1410-1Third Party Advisory
- http://www.ubuntu.com/usn/USN-1411-1Third Party Advisory
FAQ
What is CVE-2012-0879?
CVE-2012-0879 is a vulnerability with a CVSS score of 5.5 (MEDIUM). 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 sta...
How severe is CVE-2012-0879?
CVE-2012-0879 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2012-0879?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel, Canonical Ubuntu Linux, Debian Debian Linux, Suse Linux Enterprise Desktop, Suse Linux Enterprise High Availability Extension.