CVE-2010-3432

Severity: high (CVSS 7.8 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 5.5% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2010-11-22 · updated 2026-06-16
Weakness: CWE-20

Description

The sctp_packet_config function in net/sctp/output.c in the Linux kernel before 2.6.35.6 performs extraneous initializations of packet data structures, which allows remote attackers to cause a denial of service (panic) via a certain sequence of SCTP traffic.

Affected products

Canonical Ubuntu Linux: 6.06, 8.04, 9.04, 9.10, 10.04, 10.10
Debian Linux: 5.0
Linux kernel: before 2.6.35.6 — fixed in 2.6.35.6
Opensuse: 11.3
SUSE Linux Enterprise Real Time Extension: 11-sp1

How to fix

Upgrade to a fixed version: Linux kernel 2.6.35.6. Check the vendor advisory for mitigations.

References

http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=4bdab43323b459900578b200a4b8cf9713ac8fab
http://lists.opensuse.org/opensuse-security-announce/2011-01/msg00000.html
http://lists.opensuse.org/opensuse-security-announce/2011-02/msg00000.html
http://marc.info/?l=linux-netdev&m=128453869227715&w=3
http://marc.info/?l=oss-security&m=128534569803598&w=2
http://marc.info/?l=oss-security&m=128537701808336&w=2
http://secunia.com/advisories/42400
http://secunia.com/advisories/42778
http://secunia.com/advisories/42789
http://secunia.com/advisories/46397
http://www.debian.org/security/2010/dsa-2126
http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.35.6

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