Vulnerability Report

CVE-2012-0879

Title: Canonical Ubuntu Linux Denial of Service (DoS)

DoS

Proof Of Concept

No public PoC currently indexed for CVE-2012-0879.

CWE Category CWE-400
Published Date May 17, 2012
Modified Date Apr 29, 2026
Exploit Status Not Found
Score 5.5 CVSS v3.1
Exploit Probability (EPSS)
0.04%

Vulnerability Summary

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.

Impacted Vendors

L
linux 1
D
debian 1
U
ubuntu 2
C
canonical 1
S
suse 3

Reference Links

http://ftp.osuosl.org/pub/linux/kernel/v2.6/ChangeLog-2.6.33 http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=61cc74fbb87af6aa551a06a370590c9bc07e29d9 http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=b69f2292063d2caf37ca9aec7d63ded203701bf3 http://lists.opensuse.org/opensuse-security-announce/2012-05/msg00013.html http://marc.info/?l=bugtraq&m=139447903326211&w=2 http://rhn.redhat.com/errata/RHSA-2012-0481.html http://rhn.redhat.com/errata/RHSA-2012-0531.html http://secunia.com/advisories/48545 http://secunia.com/advisories/48842 http://www.debian.org/security/2012/dsa-2469 http://www.openwall.com/lists/oss-security/2012/02/23/5 http://www.securitytracker.com/id?1027086 http://www.ubuntu.com/usn/USN-1408-1 http://www.ubuntu.com/usn/USN-1410-1 http://www.ubuntu.com/usn/USN-1411-1 https://bugzilla.redhat.com/show_bug.cgi?id=796829 https://github.com/torvalds/linux/commit/61cc74fbb87af6aa551a06a370590c9bc07e29d9 https://github.com/torvalds/linux/commit/b69f2292063d2caf37ca9aec7d63ded203701bf3 http://ftp.osuosl.org/pub/linux/kernel/v2.6/ChangeLog-2.6.33 http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=61cc74fbb87af6aa551a06a370590c9bc07e29d9 http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=b69f2292063d2caf37ca9aec7d63ded203701bf3 http://lists.opensuse.org/opensuse-security-announce/2012-05/msg00013.html http://marc.info/?l=bugtraq&m=139447903326211&w=2 http://rhn.redhat.com/errata/RHSA-2012-0481.html http://rhn.redhat.com/errata/RHSA-2012-0531.html http://secunia.com/advisories/48545 http://secunia.com/advisories/48842 http://www.debian.org/security/2012/dsa-2469 http://www.openwall.com/lists/oss-security/2012/02/23/5 http://www.securitytracker.com/id?1027086 http://www.ubuntu.com/usn/USN-1408-1 http://www.ubuntu.com/usn/USN-1410-1 http://www.ubuntu.com/usn/USN-1411-1 https://bugzilla.redhat.com/show_bug.cgi?id=796829 https://github.com/torvalds/linux/commit/61cc74fbb87af6aa551a06a370590c9bc07e29d9 https://github.com/torvalds/linux/commit/b69f2292063d2caf37ca9aec7d63ded203701bf3
CVSS v3.1
Source Entity [email protected]
Severity MEDIUM
5.5
Attack Vector
LOCAL
Complexity
LOW
Privileges
N/A
Interaction
NONE
Confidentiality
N/A
Integrity
N/A
Availability
N/A
Scope
UNCHANGED
RAW VECTOR CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CVSS v2.0
Source Entity [email protected]
Severity MEDIUM
4.9
Access Vector
N/A
Authentication
N/A
RAW VECTOR AV:L/AC:L/Au:N/C:N/I:N/A:C

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2012-0879 Exploits & PoCs (Proof Of Concept)

No public PoCs found in our database for this CVE.

MODIFIED

Vulnerability data updated via NVD.

MODIFIED

Vulnerability data or affected products updated.

PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector LOCAL
Complexity LOW
Privileges N/A
Interaction NONE
CVSS Vector String CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Affected Stack

No specific products linked.