FKIE_CVE-2011-2495

Vulnerability from fkie_nvd - Published: 2012-06-13 10:24 - Updated: 2025-04-11 00:51
Severity ?
Summary
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
secalert@redhat.comhttp://ftp.osuosl.org/pub/linux/kernel/v2.6/ChangeLog-2.6.39.4
secalert@redhat.comhttp://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=1d1221f375c94ef961ba8574ac4f85c8870ddd51
secalert@redhat.comhttp://rhn.redhat.com/errata/RHSA-2011-1212.html
secalert@redhat.comhttp://www.openwall.com/lists/oss-security/2011/06/27/1
secalert@redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=716825
secalert@redhat.comhttps://github.com/torvalds/linux/commit/1d1221f375c94ef961ba8574ac4f85c8870ddd51Exploit, Patch
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/1d1221f375c94ef961ba8574ac4f85c8870ddd51Exploit, Patch
Impacted products
Vendor Product Version
linux linux_kernel *
linux linux_kernel 2.6.39
linux linux_kernel 2.6.39
linux linux_kernel 2.6.39
linux linux_kernel 2.6.39
linux linux_kernel 2.6.39
linux linux_kernel 2.6.39
linux linux_kernel 2.6.39
linux linux_kernel 2.6.39
linux linux_kernel 2.6.39.1
linux linux_kernel 2.6.39.2
To clipboard 

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      "value": "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\u0027s password."
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  "lastModified": "2025-04-11T00:51:21.963",
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  • Confirmed: The vulnerability has been validated from an analyst's perspective.
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Detection rules are retrieved from Rulezet.