CVE-2011-2494

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: 2012-06-13 · updated 2026-06-16
Weakness: CWE-200

Description

kernel/taskstats.c in the Linux kernel before 3.1 allows local users to obtain sensitive I/O statistics by sending taskstats commands to a netlink socket, as demonstrated by discovering the length of another user's password.

Affected products

Linux kernel: through 3.0.34; 3.0.1, 3.0.2, 3.0.3, 3.0.4, 3.0.5, 3.0.6 (+27)

References

http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=1a51410abe7d0ee4b1d112780f46df87d3621043
http://lists.opensuse.org/opensuse-security-announce/2012-04/msg00021.html
http://secunia.com/advisories/48898
http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.1
http://www.openwall.com/lists/oss-security/2011/06/27/1
https://bugzilla.redhat.com/show_bug.cgi?id=716842
https://github.com/torvalds/linux/commit/1a51410abe7d0ee4b1d112780f46df87d3621043
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=1a51410abe7d0ee4b1d112780f46df87d3621043
http://lists.opensuse.org/opensuse-security-announce/2012-04/msg00021.html
http://secunia.com/advisories/48898
http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.1
http://www.openwall.com/lists/oss-security/2011/06/27/1

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