Description
fs/proc/base.c in the Linux kernel before 2.6.39.4 does not properly restrict access to /proc/#####/io files, which allows local users to obtain sensitive I/O statistics by polling a file, as demonstrated by discovering the length of another user's password.
Metrics
CVSS 2.0 2.1/10
AV:L/AC:L/Au:N/C:P/I:N/A:NWeakness enumeration
Affected software
| Vendor | Product | Versions |
|---|---|---|
| n/a | n/a | n/a |
References
- http://ftp.osuosl.org/pub/linux/kernel/v2.6/ChangeLog-2.6.39.4
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=1d1221f375c94ef961ba8574ac4f85c8870ddd51
- http://rhn.redhat.com/errata/RHSA-2011-1212.html
- http://www.openwall.com/lists/oss-security/2011/06/27/1
- https://bugzilla.redhat.com/show_bug.cgi?id=716825
- https://github.com/torvalds/linux/commit/1d1221f375c94ef961ba8574ac4f85c8870ddd51Exploit, Patch
- http://ftp.osuosl.org/pub/linux/kernel/v2.6/ChangeLog-2.6.39.4
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=1d1221f375c94ef961ba8574ac4f85c8870ddd51
- http://rhn.redhat.com/errata/RHSA-2011-1212.html
- http://www.openwall.com/lists/oss-security/2011/06/27/1
- https://bugzilla.redhat.com/show_bug.cgi?id=716825
- https://github.com/torvalds/linux/commit/1d1221f375c94ef961ba8574ac4f85c8870ddd51Exploit, Patch
Timeline
- Published
- Jun 13, 2012
- Last modified
- Jun 16, 2026
- NVD status
- Modified