01 Record

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

UnratedPUBLISHEDCNA: redhat

CNA base scoreUnratedNo CNA CVSS vector

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02 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

03 Exploitation and scoring

Exploitation: Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision: Not assessed by CISA
EPSS probability: 0.52% probability of exploitation activity in the next 30 days.
EPSS percentile: Equal to or higher than the score of 43.9% of scored records. A rank, not a probability.
NVD base score: 5.5 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
NVD analysis status: Modified. NVD last modified this record on 2026-06-16.
Red Hat severity: Moderate. Red Hat's rating for its own products, not a CVSS rating.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published

2012-05-17 10:00Z14 YR AGO

Last updated

2024-08-06 18:45Z2 YR AGO

Reserved

2012-02-14

Assigning CNA

redhat

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

CWE-476NULL Pointer DereferenceBase

Data version

5.1

Document digest

f86f114061543f057cc06ddc254e60d5c1410b87f635a3ad732f0ac8e41f9a1a

05 Affected products

VendorProductVersionsPlatforms

fedoraprojectfedoraNot specified—

linuxlinux_kernelNot specified—

redhatenterprise_linuxNot specified—

redhatenterprise_mrgNot specified—

suselinux_enterprise_desktopNot specified—

suselinux_enterprise_high_availability_extensionNot specified—

suselinux_enterprise_serverNot specified—

06 References

lists.opensuse.orgSUSE-SU-2012:0554http://lists.opensuse.org/opensuse-security-announce/2012-04/msg00021.htmlvendor-advisoryx_refsource_SUSE
github.comhttps://github.com/torvalds/linux/commit/371528caec553785c37f73fa3926ea0de84f986fx_refsource_CONFIRM
secunia.com48898http://secunia.com/advisories/48898third-party-advisoryx_refsource_SECUNIA
www.openwall.com[oss-security] 20120307 Re: CVE request -- kernel: mm: memcg: unregistring of events attached to the same eventfd can lead to oopshttp://www.openwall.com/lists/oss-security/2012/03/07/3mailing-listx_refsource_MLIST
www.kernel.orghttp://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.2.10x_refsource_CONFIRM
secunia.com48964http://secunia.com/advisories/48964third-party-advisoryx_refsource_SECUNIA
exchange.xforce.ibmcloud.comkernel-memcg-dos(73711)https://exchange.xforce.ibmcloud.com/vulnerabilities/73711vdb-entryx_refsource_XF
git.kernel.orghttp://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=371528caec553785c37f73fa3926ea0de84f986fx_refsource_CONFIRM
lists.fedoraproject.orgFEDORA-2012-3712http://lists.fedoraproject.org/pipermail/package-announce/2012-March/075781.htmlvendor-advisoryx_refsource_FEDORA
bugzilla.redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=800813x_refsource_CONFIRM