CVE-2010-3859

Severity: medium (CVSS 6.9 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2010-12-29 · updated 2026-06-16
Weakness: CWE-787

Description

Multiple integer signedness errors in the TIPC implementation in the Linux kernel before 2.6.36.2 allow local users to gain privileges via a crafted sendmsg call that triggers a heap-based buffer overflow, related to the tipc_msg_build function in net/tipc/msg.c and the verify_iovec function in net/core/iovec.c.

Affected products

Debian Linux: 5.0
Linux kernel: before 2.6.36.2 — fixed in 2.6.36.2

How to fix

Upgrade to a fixed version: Linux kernel 2.6.36.2. Check the vendor advisory for mitigations.

References

http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=253eacc070b114c2ec1f81b067d2fed7305467b0
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=8acfe468b0384e834a303f08ebc4953d72fb690a
http://marc.info/?l=linux-netdev&m=128770476511716&w=2
http://secunia.com/advisories/42789
http://secunia.com/advisories/42963
http://secunia.com/advisories/46397
http://www.debian.org/security/2010/dsa-2126
http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.36.2
http://www.mandriva.com/security/advisories?name=MDVSA-2011:029
http://www.openwall.com/lists/oss-security/2010/10/22/2
http://www.openwall.com/lists/oss-security/2010/10/22/5
http://www.redhat.com/support/errata/RHSA-2011-0004.html

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