CVE-2011-2918

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.

CVSS v3 5.5 MEDIUM
CVSS v2.0 4.9 MEDIUM

5.5^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 1.8 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

4.9^/10

CVSS v2.0 : MEDIUM

Vector : AV:L/AC:L/Au:N/C:N/I:N/A:C

Exploitability : 3.9 / Impact : 6.9

Access Vector LOCAL

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact COMPLETE

References

Link	Resource
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=a8b0ca17b80e92faab46ee7179ba9e99ccb61233
http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.1	Mailing List Patch Vendor Advisory
http://www.openwall.com/lists/oss-security/2011/08/16/1	Mailing List Patch Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=730706	Issue Tracking Patch Third Party Advisory
https://github.com/torvalds/linux/commit/a8b0ca17b80e92faab46ee7179ba9e99ccb61233	Patch Third Party Advisory
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=a8b0ca17b80e92faab46ee7179ba9e99ccb61233
http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.1	Mailing List Patch Vendor Advisory
http://www.openwall.com/lists/oss-security/2011/08/16/1	Mailing List Patch Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=730706	Issue Tracking Patch Third Party Advisory
https://github.com/torvalds/linux/commit/a8b0ca17b80e92faab46ee7179ba9e99ccb61233	Patch Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

History

No history.

Information

Published : 2012-05-24 23:55

Updated : 2025-04-11 00:51

NVD link : CVE-2011-2918

Mitre link : CVE-2011-2918

CVE.ORG link : CVE-2011-2918

JSON object : View

Products Affected

linux

linux_kernel

CWE

CWE-400

Uncontrolled Resource Consumption

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