CVE-2012-3511

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    CVE-2012-3511

    Published: 4 Oct 2012Last Modified: 10 Apr 2026

    Summary:

    Details: Multiple race conditions in the madvise_remove function in mm/madvise.c in the Linux kernel before 3.4.5 allow local users to cause a denial of service (use-after-free and system crash) via vectors involving a (1) munmap or (2) close system call.

    References: http://secunia.com/advisories/50633, http://secunia.com/advisories/50732, http://secunia.com/advisories/55055, http://www.ubuntu.com/usn/USN-1567-1, http://www.ubuntu.com/usn/USN-1572-1, http://www.ubuntu.com/usn/USN-1577-1, https://github.com/torvalds/linux/commit/9ab4233dd08036fe34a89c7dc6f47a8bf2eb29eb, http://www.openwall.com/lists/oss-security/2012/08/20/13, https://bugzilla.redhat.com/show_bug.cgi?id=849734, http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=9ab4233dd08036fe34a89c7dc6f47a8bf2eb29eb, http://ubuntu.com/usn/usn-1529-1, http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.4.5, http://www.securityfocus.com/bid/55151

    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