CVE-2006-2446

Severity: medium (CVSS 5.4 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 3.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2006-08-15 · updated 2026-06-16

Description

Race condition between the kfree_skb and __skb_unlink functions in the socket buffer handling in Linux kernel 2.6.9, and possibly other versions, allows remote attackers to cause a denial of service (crash), as demonstrated using the TCP stress tests from the LTP test suite.

Affected products

Linux kernel: 2.6.9-2.6.20

References

http://secunia.com/advisories/21465
http://secunia.com/advisories/22082
http://secunia.com/advisories/22093
http://secunia.com/advisories/22417
http://support.avaya.com/elmodocs2/security/ASA-2006-200.htm
http://www.debian.org/security/2006/dsa-1183
http://www.debian.org/security/2006/dsa-1184
http://www.mandriva.com/security/advisories?name=MDKSA-2007:025
http://www.redhat.com/support/errata/RHSA-2006-0575.html
http://www.securityfocus.com/bid/19475
https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=192779
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9117

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