CVE-2011-2918

low-risk
Published 2012-05-24

The Performance Events subsystem in the Linux kernel before 3.1 does not properly handle event overflows associated with PERF_COUNT_SW_CPU_CLOCK events, which allows local users to cause a denial of service (system hang) via a crafted application.

Do I need to act?

-
0.12% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
!
1 public exploit available
17769
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
5
CVSS 5.5/10 Medium
LOCAL / LOW complexity

Affected Products (1)

Affected Vendors

Linux

References (10)

http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=...
Mailing List http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.1
Mailing List http://www.openwall.com/lists/oss-security/2011/08/16/1
Issue Tracking https://bugzilla.redhat.com/show_bug.cgi?id=730706
Patch https://github.com/torvalds/linux/commit/a8b0ca17b80e92faab46ee7179ba9e99ccb6123...
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=...
Mailing List http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.1
Mailing List http://www.openwall.com/lists/oss-security/2011/08/16/1
Issue Tracking https://bugzilla.redhat.com/show_bug.cgi?id=730706
Patch https://github.com/torvalds/linux/commit/a8b0ca17b80e92faab46ee7179ba9e99ccb6123...
23
/ 100
low-risk
Severity 18/34 · Moderate
Exploitability 0/34 · Minimal
Exposure 5/34 · Minimal