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CVE-2011-4621

Date: May 17, 2012

The Linux kernel before 2.6.37 does not properly implement a certain clock-update optimization, which allows local users to cause a denial of service (system hang) via an application that executes code in a loop.

Language: C

Severity Score

Related Resources (9)

http://ftp.osuosl.org/pub/linux/kernel/v2.6/ChangeLog-2.6.37
http://www.openwall.com/lists/oss-security/2011/12/21/6
https://bugzilla.redhat.com/show_bug.cgi?id=769711
https://nvd.nist.gov/vuln/detail/CVE-2011-4621
https://access.redhat.com/security/cve/CVE-2011-4621
https://github.com/torvalds/linux/commit/f26f9aff6aaf67e9a430d16c266f91b13a5bff64
https://people.canonical.com/~ubuntu-security/cve/CVE-2011-4621
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=f26f9aff6aaf67e9a430d16c266f91b13a5bff64
https://www.mend.io/vulnerability-database/CVE-2011-4621

Severity Score

Weakness Type (CWE)

Loop with Unreachable Exit Condition ('Infinite Loop')

CWE-835

CVSS v3.1

Base Score:
Attack Vector (AV): LOCAL
Attack Complexity (AC): LOW
Privileges Required (PR): LOW
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): LOCAL
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): COMPLETE
Additional information:

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