CVE-2012-0879
MEDIUMCVSS 5.5/10EPSS 0.47%
Last modified
CVE-2012-0879 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. 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.. EPSS estimates a 0.47% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions | Update |
|---|---|---|---|
| Linux | Linux Kernel | < 2.6.33 | — |
| Canonical | Ubuntu Linux | 10.04 | — |
| Debian | Debian Linux | 6.0 | — |
| Suse | Linux Enterprise Desktop | 11 | Sp1 |
| Suse | Linux Enterprise High Availability Extension | 11 | Sp1 |
| Suse | Linux Enterprise Server | 11 | Sp1 |
References
- http://lists.opensuse.org/opensuse-security-announce/2012-05/msg00013.htmlMailing List, Third Party Advisory
- http://marc.info/?l=bugtraq&m=139447903326211&w=2Mailing List, Third 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 List, Third Party Advisory
- http://www.securitytracker.com/id?1027086Third Party Advisory, VDB 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
- https://bugzilla.redhat.com/show_bug.cgi?id=796829Issue Tracking, Patch, Third Party Advisory
- https://github.com/torvalds/linux/commit/61cc74fbb87af6aa551a06a370590c9bc07e29d9Patch, Third Party Advisory
- https://github.com/torvalds/linux/commit/b69f2292063d2caf37ca9aec7d63ded203701bf3Patch, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2012-05/msg00013.htmlMailing List, Third Party Advisory
- http://marc.info/?l=bugtraq&m=139447903326211&w=2Mailing List, Third 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 List, Third Party Advisory
- http://www.securitytracker.com/id?1027086Third Party Advisory, VDB 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
- https://bugzilla.redhat.com/show_bug.cgi?id=796829Issue Tracking, Patch, Third Party Advisory
- https://github.com/torvalds/linux/commit/61cc74fbb87af6aa551a06a370590c9bc07e29d9Patch, Third Party Advisory
- https://github.com/torvalds/linux/commit/b69f2292063d2caf37ca9aec7d63ded203701bf3Patch, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is 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.
How severe is CVE-2012-0879?
CVE-2012-0879 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 0.47% probability of exploitation in the next 30 days.
How do I fix CVE-2012-0879?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2012-0879?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST