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    CVE-2012-4508

    Race condition in fs/ext4/extents.c in the Linux kernel before 3.4.16 allows local users to obtain sensitive information from a deleted file by reading an extent that was not properly marked as uninitialized.

    Published:Oct 23, 2012
    Last Modified:Apr 11, 2025
    EPS:Dec 21, 2012
    EPSS Score:0.00058
    CVSS Score:1.9

    Affected Products

    Vendor
    Linux
    Product
    Linux Kernel
    Vendor
    Redhat
    Product
    Enterprise Linux
    Vendor
    Redhat
    Product
    Enterprise Mrg
    Vendor
    Redhat
    Product
    Rhel Eus

    Exploits

    No exploit reference

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    References

    http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=dee1f973ca341c266229faa5a1a5bb268bed3531
    http://lists.fedoraproject.org/pipermail/package-announce/2012-November/091110.html
    http://rhn.redhat.com/errata/RHSA-2012-1540.html
    http://rhn.redhat.com/errata/RHSA-2013-0496.html
    http://rhn.redhat.com/errata/RHSA-2013-1519.html
    http://rhn.redhat.com/errata/RHSA-2013-1783.html
    http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.4.16
    http://www.openwall.com/lists/oss-security/2012/10/25/1
    http://www.ubuntu.com/usn/USN-1645-1
    http://www.ubuntu.com/usn/USN-1899-1
    http://www.ubuntu.com/usn/USN-1900-1
    https://bugzilla.redhat.com/show_bug.cgi?id=869904
    https://github.com/torvalds/linux/commit/dee1f973ca341c266229faa5a1a5bb268bed3531
    https://www.suse.com/support/update/announcement/2012/suse-su-20121679-1.html
    http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=dee1f973ca341c266229faa5a1a5bb268bed3531
    http://lists.fedoraproject.org/pipermail/package-announce/2012-November/091110.html
    http://rhn.redhat.com/errata/RHSA-2012-1540.html
    http://rhn.redhat.com/errata/RHSA-2013-0496.html
    http://rhn.redhat.com/errata/RHSA-2013-1519.html
    http://rhn.redhat.com/errata/RHSA-2013-1783.html
    http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.4.16
    http://www.openwall.com/lists/oss-security/2012/10/25/1
    http://www.ubuntu.com/usn/USN-1645-1
    http://www.ubuntu.com/usn/USN-1899-1
    http://www.ubuntu.com/usn/USN-1900-1
    https://bugzilla.redhat.com/show_bug.cgi?id=869904
    https://github.com/torvalds/linux/commit/dee1f973ca341c266229faa5a1a5bb268bed3531
    https://www.suse.com/support/update/announcement/2012/suse-su-20121679-1.html

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High