PT-2012-1503 · Linux+1 · Linux Kernel+1

Eugene Teo · Published 2011-05-19 · Updated 2023-02-13 · CVE-2011-1023

Positive Technologies (AI Summary)

CVSS v2.0

4.9

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 2.6.38

Description The issue is related to the Reliable Datagram Sockets (RDS) subsystem in the Linux kernel, which does not properly handle congestion map updates. This can be exploited by local users to cause a denial of service, resulting in a system crash. The exploitation vectors involve either a loopback transmit operation or an InfiniBand transmit operation.

Recommendations For Linux kernel versions prior to 2.6.38, update to version 2.6.38 or later to resolve the issue.

Exploit

Fix

Related Identifiers

CVE-2011-1023

RHSA-2011:0542

RHSA-2011_0542

Affected Products

Linux Kernel

Red Hat

References · 8

• 🔥 https://github.com/torvalds/linux/commit/6094628bfd94323fc1cea05ec2c6affd98c18f7f · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2011-1023 · Security Note
• https://linux.oracle.com/errata/ELSA-2011-2016.html · Vendor Advisory
• https://linux.oracle.com/errata/ELSA-2011-0542.html · Vendor Advisory
• http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=6094628bfd94323fc1cea05ec2c6affd98c18f7f · Note
• http://ftp.osuosl.org/pub/linux/kernel/v2.6/ChangeLog-2.6.38 · Note
• http://openwall.com/lists/oss-security/2011/03/03/2 · Note
• https://bugzilla.redhat.com/show_bug.cgi?id=680345 · Note