CVE-2011-2909

Severity: medium (CVSS 4.9 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: 2014-02-15 · updated 2026-06-16
Weakness: CWE-200

Description

The do_devinfo_ioctl function in drivers/staging/comedi/comedi_fops.c in the Linux kernel before 3.1 allows local users to obtain sensitive information from kernel memory via a copy of a short string.

Affected products

Linux kernel: through 3.0.44; 3.0-rc1, 3.0-rc2, 3.0-rc3, 3.0-rc4, 3.0-rc5, 3.0-rc6 (+44)

References

http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=819cbb120eaec7e014e5abd029260db1ca8c5735
http://www.openwall.com/lists/oss-security/2011/08/12/1
https://github.com/torvalds/linux/commit/819cbb120eaec7e014e5abd029260db1ca8c5735
https://www.kernel.org/pub/linux/kernel/v3.x/patch-3.1.bz2
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=819cbb120eaec7e014e5abd029260db1ca8c5735
http://www.openwall.com/lists/oss-security/2011/08/12/1
https://github.com/torvalds/linux/commit/819cbb120eaec7e014e5abd029260db1ca8c5735
https://www.kernel.org/pub/linux/kernel/v3.x/patch-3.1.bz2

Get alerted when CVE-2011-2909 or the next vulnerability affects your stack