low
2.1
CWE
200
Advisory Published
CVE Published
Updated

CVE-2011-2494: Infoleak

First published: Mon Jun 27 2011(Updated: )

kernel/taskstats.c in the Linux kernel before 3.1 allows local users to obtain sensitive I/O statistics by sending taskstats commands to a netlink socket, as demonstrated by discovering the length of another user's password.

Credit: secalert@redhat.com

Affected SoftwareAffected VersionHow to fix
debian/linux-2.6
Linux kernel=3.0.25
Linux kernel=3.0.22
Linux kernel=3.0.5
Linux kernel=3.0.18
Linux kernel=3.0.6
Linux kernel=3.0.11
Linux kernel=3.0.32
Linux kernel=3.0.19
Linux kernel=3.0.4
Linux kernel=3.0.27
Linux kernel=3.0.23
Linux kernel=3.0.8
Linux kernel=3.0.33
Linux kernel=3.0.28
Linux kernel=3.0.13
Linux kernel=3.0.10
Linux kernel=3.0.1
Linux kernel=3.0.17
Linux kernel=3.0.16
Linux kernel=3.0.21
Linux kernel=3.0.7
Linux kernel=3.0.20
Linux kernel=3.0.24
Linux kernel=3.0.15
Linux kernel=3.0.2
Linux kernel<=3.0.34
Linux kernel=3.0.12
Linux kernel=3.0.3
Linux kernel=3.0.9
Linux kernel=3.0.26
Linux kernel=3.0.30
Linux kernel=3.0.31
Linux kernel=3.0.29
Linux kernel=3.0.14
Linux Kernel<=3.0.34
Linux Kernel=3.0.1
Linux Kernel=3.0.2
Linux Kernel=3.0.3
Linux Kernel=3.0.4
Linux Kernel=3.0.5
Linux Kernel=3.0.6
Linux Kernel=3.0.7
Linux Kernel=3.0.8
Linux Kernel=3.0.9
Linux Kernel=3.0.10
Linux Kernel=3.0.11
Linux Kernel=3.0.12
Linux Kernel=3.0.13
Linux Kernel=3.0.14
Linux Kernel=3.0.15
Linux Kernel=3.0.16
Linux Kernel=3.0.17
Linux Kernel=3.0.18
Linux Kernel=3.0.19
Linux Kernel=3.0.20
Linux Kernel=3.0.21
Linux Kernel=3.0.22
Linux Kernel=3.0.23
Linux Kernel=3.0.24
Linux Kernel=3.0.25
Linux Kernel=3.0.26
Linux Kernel=3.0.27
Linux Kernel=3.0.28
Linux Kernel=3.0.29
Linux Kernel=3.0.30
Linux Kernel=3.0.31
Linux Kernel=3.0.32
Linux Kernel=3.0.33

Remedy

https://github.com/torvalds/linux/commit/1a51410abe7d0ee4b1d112780f46df87d3621043

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Reference Links

Frequently Asked Questions

  • What is the severity of CVE-2011-2494?

    CVE-2011-2494 has a moderate severity rating as it allows local users to obtain sensitive information.

  • How do I fix CVE-2011-2494?

    To fix CVE-2011-2494, upgrade your Linux kernel to version 3.1 or later.

  • Who is affected by CVE-2011-2494?

    CVE-2011-2494 affects local users of versions of the Linux kernel prior to 3.1.

  • What type of information can be disclosed due to CVE-2011-2494?

    CVE-2011-2494 can be exploited to disclose sensitive I/O statistics, including potentially discovering user passwords.

  • When was CVE-2011-2494 discovered?

    CVE-2011-2494 was discovered and reported in June 2011.

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