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    CVE-2012-2133

    Use-after-free vulnerability in the Linux kernel before 3.3.6, when huge pages are enabled, allows local users to cause a denial of service (system crash) or possibly gain privileges by interacting with a hugetlbfs filesystem, as demonstrated by a umount operation that triggers improper handling of quota data.

    Published:Mar 22, 2012
    Last Modified:Apr 11, 2025
    EPS:Jul 3, 2012
    EPSS Score:0.0008
    CVSS Score:4

    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

    Common Weakness Enumeration

    CWE-416 Use After Free

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

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    References

    http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=90481622d75715bfcb68501280a917dbfe516029
    http://lists.opensuse.org/opensuse-security-announce/2012-05/msg00013.html
    http://www.debian.org/security/2012/dsa-2469
    http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.3.6
    http://www.openwall.com/lists/oss-security/2012/04/24/12
    http://www.securityfocus.com/bid/53233
    https://bugzilla.redhat.com/show_bug.cgi?id=817430
    https://exchange.xforce.ibmcloud.com/vulnerabilities/75168
    https://github.com/torvalds/linux/commit/90481622d75715bfcb68501280a917dbfe516029
    http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=90481622d75715bfcb68501280a917dbfe516029
    http://lists.opensuse.org/opensuse-security-announce/2012-05/msg00013.html
    http://www.debian.org/security/2012/dsa-2469
    http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.3.6
    http://www.openwall.com/lists/oss-security/2012/04/24/12
    http://www.securityfocus.com/bid/53233
    https://bugzilla.redhat.com/show_bug.cgi?id=817430
    https://exchange.xforce.ibmcloud.com/vulnerabilities/75168
    https://github.com/torvalds/linux/commit/90481622d75715bfcb68501280a917dbfe516029

    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