Medium severity5.5NVD Advisory· Published May 17, 2012· Updated Apr 29, 2026
CVE-2012-0879
CVE-2012-0879
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.
Affected products
9- cpe:2.3:o:canonical:ubuntu_linux:10.04:*:*:*:-:*:*:*
- cpe:2.3:o:debian:debian_linux:6.0:*:*:*:*:*:*:*
cpe:2.3:o:suse:linux_enterprise_desktop:11:sp1:*:*:*:*:*:*+ 1 more
- cpe:2.3:o:suse:linux_enterprise_desktop:11:sp1:*:*:*:*:*:*
- cpe:2.3:o:suse:linux_enterprise_desktop:11:sp2:*:*:*:*:*:*
- cpe:2.3:o:suse:linux_enterprise_high_availability_extension:11:sp1:*:*:*:*:*:*
cpe:2.3:o:suse:linux_enterprise_server:11:sp1:*:*:*:*:*:*+ 2 more
- cpe:2.3:o:suse:linux_enterprise_server:11:sp1:*:*:*:*:*:*
- cpe:2.3:o:suse:linux_enterprise_server:11:sp1:*:*:*:vmware:*:*
- cpe:2.3:o:suse:linux_enterprise_server:11:sp2:*:*:*:*:*:*
Patches
261cc74fbb87ahttps://github.com/torvalds/linuxvia nvd-ref
b69f2292063dhttps://github.com/torvalds/linuxvia nvd-ref
Vulnerability mechanics
Generated by null/stub on May 9, 2026. Inputs: CWE entries + fix-commit diffs from this CVE's patches. Citations validated against bundle.
References
16- bugzilla.redhat.com/show_bug.cginvdIssue TrackingPatchThird Party Advisory
- github.com/torvalds/linux/commit/61cc74fbb87af6aa551a06a370590c9bc07e29d9nvdPatchThird Party Advisory
- github.com/torvalds/linux/commit/b69f2292063d2caf37ca9aec7d63ded203701bf3nvdPatchThird Party Advisory
- lists.opensuse.org/opensuse-security-announce/2012-05/msg00013.htmlnvdMailing ListThird Party Advisory
- marc.infonvdMailing ListThird Party Advisory
- rhn.redhat.com/errata/RHSA-2012-0481.htmlnvdThird Party Advisory
- rhn.redhat.com/errata/RHSA-2012-0531.htmlnvdThird Party Advisory
- www.debian.org/security/2012/dsa-2469nvdThird Party Advisory
- www.openwall.com/lists/oss-security/2012/02/23/5nvdMailing ListThird Party Advisory
- www.securitytracker.com/idnvdThird Party AdvisoryVDB Entry
- www.ubuntu.com/usn/USN-1408-1nvdThird Party Advisory
- www.ubuntu.com/usn/USN-1410-1nvdThird Party Advisory
- www.ubuntu.com/usn/USN-1411-1nvdThird Party Advisory
- ftp.osuosl.org/pub/linux/kernel/v2.6/ChangeLog-2.6.33nvdBroken Link
- secunia.com/advisories/48545nvdNot Applicable
- secunia.com/advisories/48842nvdNot Applicable
News mentions
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