CVE-2011-2495

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.

🔗 References (12)

• secalert@redhathttp://ftp.osuosl.org/pub/linux/kernel/v2.6/ChangeLog-2.6.39.4
• secalert@redhathttp://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=1d1221f375c94ef961ba8574ac4f85c8870ddd51
• secalert@redhathttp://rhn.redhat.com/errata/RHSA-2011-1212.html
• secalert@redhathttp://www.openwall.com/lists/oss-security/2011/06/27/1
• secalert@redhathttps://bugzilla.redhat.com/show_bug.cgi?id=716825
• secalert@redhathttps://github.com/torvalds/linux/commit/1d1221f375c94ef961ba8574ac4f85c8870ddd51
• af854a3a-2127-422b-91ae-364da2661108http://ftp.osuosl.org/pub/linux/kernel/v2.6/ChangeLog-2.6.39.4
• af854a3a-2127-422b-91ae-364da2661108http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=1d1221f375c94ef961ba8574ac4f85c8870ddd51
• af854a3a-2127-422b-91ae-364da2661108http://rhn.redhat.com/errata/RHSA-2011-1212.html
• af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2011/06/27/1
• af854a3a-2127-422b-91ae-364da2661108https://bugzilla.redhat.com/show_bug.cgi?id=716825
• af854a3a-2127-422b-91ae-364da2661108https://github.com/torvalds/linux/commit/1d1221f375c94ef961ba8574ac4f85c8870ddd51