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    CVE-2012-0044

    Integer overflow in the drm_mode_dirtyfb_ioctl function in drivers/gpu/drm/drm_crtc.c in the Direct Rendering Manager (DRM) subsystem in the Linux kernel before 3.1.5 allows local users to gain privileges or cause a denial of service (memory corruption) via a crafted ioctl call.

    Published:Nov 23, 2011
    Last Modified:Apr 11, 2025
    EPS:May 17, 2012
    EPSS Score:0.00091
    CVSS Score:7.8

    Affected Products

    Vendor
    Canonical
    Product
    Ubuntu Linux
    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-190 Integer Overflow or Wraparound

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-92 Forced Integer Overflow

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    References

    http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=a5cd335165e31db9dbab636fd29895d41da55dd2
    http://rhn.redhat.com/errata/RHSA-2012-0743.html
    http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.1.5
    http://www.openwall.com/lists/oss-security/2012/01/12/1
    http://www.securityfocus.com/bid/51371
    http://www.ubuntu.com/usn/USN-1555-1
    http://www.ubuntu.com/usn/USN-1556-1
    https://bugzilla.redhat.com/show_bug.cgi?id=772894
    https://github.com/torvalds/linux/commit/a5cd335165e31db9dbab636fd29895d41da55dd2
    http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=a5cd335165e31db9dbab636fd29895d41da55dd2
    http://rhn.redhat.com/errata/RHSA-2012-0743.html
    http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.1.5
    http://www.openwall.com/lists/oss-security/2012/01/12/1
    http://www.securityfocus.com/bid/51371
    http://www.ubuntu.com/usn/USN-1555-1
    http://www.ubuntu.com/usn/USN-1556-1
    https://bugzilla.redhat.com/show_bug.cgi?id=772894
    https://github.com/torvalds/linux/commit/a5cd335165e31db9dbab636fd29895d41da55dd2

    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