CVE-2010-4342

Severity: high (CVSS 7.1 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 3.5% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2010-12-30 · updated 2026-06-16
Weakness: CWE-476

Description

The aun_incoming function in net/econet/af_econet.c in the Linux kernel before 2.6.37-rc6, when Econet is enabled, allows remote attackers to cause a denial of service (NULL pointer dereference and OOPS) by sending an Acorn Universal Networking (AUN) packet over UDP.

Affected products

Linux kernel: before 2.6.37; 2.6.37, 2.6.37-rc1, 2.6.37-rc2, 2.6.37-rc3, 2.6.37-rc4, 2.6.37-rc5 — fixed in 2.6.37
SUSE Linux Enterprise Server: 9

How to fix

Upgrade to a fixed version: Linux kernel 2.6.37. Check the vendor advisory for mitigations.

References

http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=4e085e76cbe558b79b54cbab772f61185879bc64
http://lists.opensuse.org/opensuse-security-announce/2011-02/msg00002.html
http://marc.info/?l=linux-netdev&m=129185496013580&w=2
http://marc.info/?l=linux-netdev&m=129186011218615&w=2
http://openwall.com/lists/oss-security/2010/12/09/1
http://openwall.com/lists/oss-security/2010/12/09/2
http://secunia.com/advisories/43291
http://www.kernel.org/pub/linux/kernel/v2.6/testing/ChangeLog-2.6.37-rc6
http://www.securityfocus.com/bid/45321
http://www.vupen.com/english/advisories/2011/0375
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=4e085e76cbe558b79b54cbab772f61185879bc64
http://lists.opensuse.org/opensuse-security-announce/2011-02/msg00002.html

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