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CVE-2013-4129

Date: July 28, 2013

The bridge multicast implementation in the Linux kernel through 3.10.3 does not check whether a certain timer is armed before modifying the timeout value of that timer, which allows local users to cause a denial of service (BUG and system crash) via vectors involving the shutdown of a KVM virtual machine, related to net/bridge/br_mdb.c and net/bridge/br_multicast.c.

Language: C

Severity Score

Related Resources (8)

https://bugzilla.redhat.com/show_bug.cgi?id=984743
https://github.com/torvalds/linux/commit/c7e8e8a8f7a70b343ca1e0f90a31e35ab2d16de1
https://exchange.xforce.ibmcloud.com/vulnerabilities/85763
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=c7e8e8a8f7a70b343ca1e0f90a31e35ab2d16de1
https://nvd.nist.gov/vuln/detail/CVE-2013-4129
http://www.openwall.com/lists/oss-security/2013/07/16/1
http://www.securityfocus.com/bid/61193
https://www.mend.io/vulnerability-database/CVE-2013-4129

Severity Score

Weakness Type (CWE)

Improper Input Validation

CWE-20

CVSS v3.1

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

CVSS v2

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

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