CVE-2012-1146

MEDIUM

Linux Kernel < 3.2.10 - NULL Pointer Dereference

Title source: rule

Description

The mem_cgroup_usage_unregister_event function in mm/memcontrol.c in the Linux kernel before 3.2.10 does not properly handle multiple events that are attached to the same eventfd, which allows local users to cause a denial of service (NULL pointer dereference and system crash) or possibly have unspecified other impact by registering memory threshold events.

References (10)

[Patch] http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=371528caec553785c37f73fa3926ea0de84f986f

[Mailing List, Third Party Advisory] http://lists.fedoraproject.org/pipermail/package-announce/2012-March/075781.html

[Mailing List, Third Party Advisory] http://lists.opensuse.org/opensuse-security-announce/2012-04/msg00021.html

[Broken Link] http://secunia.com/advisories/48898

[Broken Link] http://secunia.com/advisories/48964

[Mailing List, Patch, Vendor Advisory] http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.2.10

[Exploit, Mailing List, Patch, Third Party Advisory] http://www.openwall.com/lists/oss-security/2012/03/07/3

[Exploit, Issue Tracking, Patch, Third Party Advisory] https://bugzilla.redhat.com/show_bug.cgi?id=800813

[Third Party Advisory, VDB Entry] https://exchange.xforce.ibmcloud.com/vulnerabilities/73711

[Exploit, Patch, Third Party Advisory] https://github.com/torvalds/linux/commit/371528caec553785c37f73fa3926ea0de84f986f

Scores

CVSS v3 5.5

EPSS 0.0010

EPSS Percentile 26.8%

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-476

Status draft

Affected Products (6)

linux/linux_kernel < 3.2.10

fedoraproject/fedora

suse/linux_enterprise_desktop

suse/linux_enterprise_high_availability_extension

suse/linux_enterprise_server

suse/linux_enterprise_server

Timeline

Published May 17, 2012

Tracked Since Feb 18, 2026