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CVE-2011-2495

CVE-2011-2495

EPSS 0.5%
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.
Affected products
n/a · n/a

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References
http://ftp.osuosl.org/pub/linux/kernel/v2.6/ChangeLog-2.6.39.4http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=1d1221f375c94ef961ba8574ac4f85c8870ddd51http://rhn.redhat.com/errata/RHSA-2011-1212.htmlhttps://bugzilla.redhat.com/show_bug.cgi?id=716825https://github.com/torvalds/linux/commit/1d1221f375c94ef961ba8574ac4f85c8870ddd51http://www.openwall.com/lists/oss-security/2011/06/27/1