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CVE-2011-2491

Date: March 1, 2013

The Network Lock Manager (NLM) protocol implementation in the NFS client functionality in the Linux kernel before 3.0 allows local users to cause a denial of service (system hang) via a LOCK_UN flock system call.

Language: C

Severity Score

Related Resources (10)

http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=0b760113a3a155269a3fba93a409c640031dd68f
https://people.canonical.com/~ubuntu-security/cve/CVE-2011-2491
http://ftp.osuosl.org/pub/linux/kernel/v3.0/ChangeLog-3.0
https://github.com/torvalds/linux/commit/0b760113a3a155269a3fba93a409c640031dd68f
https://nvd.nist.gov/vuln/detail/CVE-2011-2491
http://rhn.redhat.com/errata/RHSA-2011-1212.html
https://bugzilla.redhat.com/show_bug.cgi?id=709393
https://access.redhat.com/security/cve/CVE-2011-2491
http://www.openwall.com/lists/oss-security/2011/06/23/6
https://www.mend.io/vulnerability-database/CVE-2011-2491

Severity Score

Weakness Type (CWE)

Resource Management Errors

CWE-399

Uncontrolled Resource Consumption

CWE-400

CVSS v3.1

Base Score:
Attack Vector (AV): LOCAL
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
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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