CVE-2012-1146
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…
Does this matter?
Lower severity and a low EPSS score (0.52%). Track it; it rarely justifies an emergency change on its own.
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.
- CVSS 3.1
- 5.5 MEDIUMCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 0.52% probability · 43th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-476
- Affected
- linux/linux kernel · fedoraproject/fedora · suse/linux enterprise desktop · suse/linux enterprise high availability extension · suse/linux enterprise server
- Source
- secalert@redhat.com
References
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=371528caec553785c37f73fa3926ea0de84f986f
- http://lists.fedoraproject.org/pipermail/package-announce/2012-March/075781.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2012-04/msg00021.htmlMailing List, Third Party Advisory
- http://secunia.com/advisories/48898Broken Link
- http://secunia.com/advisories/48964Broken Link
- http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.2.10Mailing List, Patch, Vendor Advisory
- http://www.openwall.com/lists/oss-security/2012/03/07/3Exploit, Mailing List, Patch, Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=800813Exploit, Issue Tracking, Patch, Third Party Advisory
- https://exchange.xforce.ibmcloud.com/vulnerabilities/73711Third Party Advisory, VDB Entry
- https://github.com/torvalds/linux/commit/371528caec553785c37f73fa3926ea0de84f986fExploit, Patch, Third Party Advisory
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=371528caec553785c37f73fa3926ea0de84f986f
- http://lists.fedoraproject.org/pipermail/package-announce/2012-March/075781.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2012-04/msg00021.htmlMailing List, Third Party Advisory
- http://secunia.com/advisories/48898Broken Link
- http://secunia.com/advisories/48964Broken Link
- http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.2.10Mailing List, Patch, Vendor Advisory
- http://www.openwall.com/lists/oss-security/2012/03/07/3Exploit, Mailing List, Patch, Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=800813Exploit, Issue Tracking, Patch, Third Party Advisory
- https://exchange.xforce.ibmcloud.com/vulnerabilities/73711Third Party Advisory, VDB Entry
- https://github.com/torvalds/linux/commit/371528caec553785c37f73fa3926ea0de84f986fExploit, Patch, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.