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CVE-2011-1023

Date: June 21, 2012

The Reliable Datagram Sockets (RDS) subsystem in the Linux kernel before 2.6.38 does not properly handle congestion map updates, which allows local users to cause a denial of service (BUG_ON and system crash) via vectors involving (1) a loopback (aka loop) transmit operation or (2) an InfiniBand (aka ib) transmit operation.

Language: C

Severity Score

Related Resources (9)

https://nvd.nist.gov/vuln/detail/CVE-2011-1023
http://www.openwall.com/lists/oss-security/2011/03/03/2
https://github.com/torvalds/linux/commit/6094628bfd94323fc1cea05ec2c6affd98c18f7f
http://ftp.osuosl.org/pub/linux/kernel/v2.6/ChangeLog-2.6.38
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=6094628bfd94323fc1cea05ec2c6affd98c18f7f
https://bugzilla.redhat.com/show_bug.cgi?id=680345
https://access.redhat.com/security/cve/CVE-2011-1023
https://people.canonical.com/~ubuntu-security/cve/CVE-2011-1023
https://www.mend.io/vulnerability-database/CVE-2011-1023

Severity Score

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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