CVE-2010-3875

Severity: low (CVSS 2.1 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: 2011-01-03 · updated 2026-06-16
Weakness: CWE-200

Description

The ax25_getname function in net/ax25/af_ax25.c in the Linux kernel before 2.6.37-rc2 does not initialize a certain structure, which allows local users to obtain potentially sensitive information from kernel stack memory by reading a copy of this structure.

Affected products

Debian Linux: 5.0
Linux kernel: before 2.6.37; 2.6.37, 2.6.37-rc1 — fixed in 2.6.37

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=fe10ae53384e48c51996941b7720ee16995cbcb7
http://marc.info/?l=linux-netdev&m=128854507120898&w=2
http://openwall.com/lists/oss-security/2010/11/02/7
http://openwall.com/lists/oss-security/2010/11/04/5
http://www.debian.org/security/2010/dsa-2126
http://www.kernel.org/pub/linux/kernel/v2.6/testing/ChangeLog-2.6.37-rc2
http://www.mandriva.com/security/advisories?name=MDVSA-2011:029
http://www.mandriva.com/security/advisories?name=MDVSA-2011:051
http://www.securityfocus.com/bid/44630
https://bugzilla.redhat.com/show_bug.cgi?id=649713
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=fe10ae53384e48c51996941b7720ee16995cbcb7
http://marc.info/?l=linux-netdev&m=128854507120898&w=2

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