CVE-2013-4511

    Dashboard / Vulnerabilities / CVE-2013-4511

    CVE-2013-4511

    Published: 12 Nov 2013Last Modified: 10 Apr 2026

    Summary:

    Details: Multiple integer overflows in Alchemy LCD frame-buffer drivers in the Linux kernel before 3.12 allow local users to create a read-write memory mapping for the entirety of kernel memory, and consequently gain privileges, via crafted mmap operations, related to the (1) au1100fb_fb_mmap function in drivers/video/au1100fb.c and the (2) au1200fb_fb_mmap function in drivers/video/au1200fb.c.

    References: http://lists.opensuse.org/opensuse-security-announce/2014-02/msg00002.html, http://lists.opensuse.org/opensuse-security-announce/2014-02/msg00003.html, http://lists.opensuse.org/opensuse-updates/2014-02/msg00045.html, http://www.openwall.com/lists/oss-security/2013/11/04/22, http://www.ubuntu.com/usn/USN-2036-1, http://www.ubuntu.com/usn/USN-2037-1, http://www.ubuntu.com/usn/USN-2066-1, http://www.ubuntu.com/usn/USN-2067-1, http://www.ubuntu.com/usn/USN-2068-1, http://www.ubuntu.com/usn/USN-2069-1, http://www.ubuntu.com/usn/USN-2070-1, http://www.ubuntu.com/usn/USN-2071-1, http://www.ubuntu.com/usn/USN-2072-1, http://www.ubuntu.com/usn/USN-2073-1, http://www.ubuntu.com/usn/USN-2074-1, http://www.ubuntu.com/usn/USN-2075-1, http://www.ubuntu.com/usn/USN-2076-1, https://www.kernel.org/pub/linux/kernel/v3.x/patch-3.12.bz2, http://www.openwall.com/lists/oss-security/2013/11/04/22, https://github.com/torvalds/linux/commit/7314e613d5ff9f0934f7a0f74ed7973b903315d1, https://github.com/torvalds/linux/commit/7314e613d5ff9f0934f7a0f74ed7973b903315d1, https://www.kernel.org/pub/linux/kernel/v3.x/patch-3.12.bz2, http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=7314e613d5ff9f0934f7a0f74ed7973b903315d1

    Affected packages

    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