CVE-2012-0879

MEDIUM

Linux kernel <2.6.33 - DoS

Title source: llm

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.

References (18)

[Patch] http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=61cc74fbb87af6aa551a06a370590c9bc07e29d9

[Patch] http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=b69f2292063d2caf37ca9aec7d63ded203701bf3

[Broken Link] http://ftp.osuosl.org/pub/linux/kernel/v2.6/ChangeLog-2.6.33

[Mailing List, Third Party Advisory] http://lists.opensuse.org/opensuse-security-announce/2012-05/msg00013.html

[Mailing List, Third Party Advisory] http://marc.info/?l=bugtraq&m=139447903326211&w=2

[Third Party Advisory] http://rhn.redhat.com/errata/RHSA-2012-0481.html

[Third Party Advisory] http://rhn.redhat.com/errata/RHSA-2012-0531.html

[Not Applicable] http://secunia.com/advisories/48545

[Not Applicable] http://secunia.com/advisories/48842

[Third Party Advisory] http://www.debian.org/security/2012/dsa-2469

[Mailing List, Third Party Advisory] http://www.openwall.com/lists/oss-security/2012/02/23/5

[Third Party Advisory, VDB Entry] http://www.securitytracker.com/id?1027086

[Third Party Advisory] http://www.ubuntu.com/usn/USN-1408-1

[Third Party Advisory] http://www.ubuntu.com/usn/USN-1410-1

[Third Party Advisory] http://www.ubuntu.com/usn/USN-1411-1

[Issue Tracking, Patch, Third Party Advisory] https://bugzilla.redhat.com/show_bug.cgi?id=796829

[Patch, Third Party Advisory] https://github.com/torvalds/linux/commit/61cc74fbb87af6aa551a06a370590c9bc07e29d9

[Patch, Third Party Advisory] https://github.com/torvalds/linux/commit/b69f2292063d2caf37ca9aec7d63ded203701bf3

Scores

CVSS v3 5.5

EPSS 0.0006

EPSS Percentile 19.1%

Attack Vector LOCAL

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Classification

CWE

CWE-400

Status draft

Affected Products (9)

linux/linux_kernel < 2.6.33

canonical/ubuntu_linux

debian/debian_linux

suse/linux_enterprise_desktop

suse/linux_enterprise_desktop

suse/linux_enterprise_high_availability_extension

suse/linux_enterprise_server

suse/linux_enterprise_server

suse/linux_enterprise_server

Timeline

Published May 17, 2012

Tracked Since Feb 18, 2026