Vulnerability Description
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.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | <= 2.6.37.6 |
References
- 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=
- http://www.openwall.com/lists/oss-security/2011/03/03/2
- https://bugzilla.redhat.com/show_bug.cgi?id=680345
- https://github.com/torvalds/linux/commit/6094628bfd94323fc1cea05ec2c6affd98c18f7ExploitPatch
- 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=
- http://www.openwall.com/lists/oss-security/2011/03/03/2
- https://bugzilla.redhat.com/show_bug.cgi?id=680345
- https://github.com/torvalds/linux/commit/6094628bfd94323fc1cea05ec2c6affd98c18f7ExploitPatch
FAQ
What is CVE-2011-1023?
CVE-2011-1023 is a vulnerability with a CVSS score of 4.9 (MEDIUM). 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 syste...
How severe is CVE-2011-1023?
CVE-2011-1023 has been rated MEDIUM with a CVSS base score of 4.9/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2011-1023?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel.