CVE-2013-2094

    Dashboard / Vulnerabilities / CVE-2013-2094

    CVE-2013-2094

    Published: 14 May 2013Last Modified: 10 Apr 2026

    Summary:

    Details: The perf_swevent_init function in kernel/events/core.c in the Linux kernel before 3.8.9 uses an incorrect integer data type, which allows local users to gain privileges via a crafted perf_event_open system call.

    References: http://lists.centos.org/pipermail/centos-announce/2013-May/019729.html, http://lists.centos.org/pipermail/centos-announce/2013-May/019733.html, http://lists.opensuse.org/opensuse-security-announce/2013-05/msg00008.html, http://lists.opensuse.org/opensuse-security-announce/2013-05/msg00018.html, http://lists.opensuse.org/opensuse-security-announce/2013-06/msg00005.html, http://lists.opensuse.org/opensuse-security-announce/2013-06/msg00009.html, http://lists.opensuse.org/opensuse-security-announce/2013-06/msg00017.html, http://lkml.indiana.edu/hypermail/linux/kernel/1304.1/03652.html, http://lkml.indiana.edu/hypermail/linux/kernel/1304.1/03976.html, http://lkml.indiana.edu/hypermail/linux/kernel/1304.1/04302.html, http://news.ycombinator.com/item?id=5703758, http://packetstormsecurity.com/files/121616/semtex.c, http://rhn.redhat.com/errata/RHSA-2013-0830.html, http://www.exploit-db.com/exploits/33589, http://www.mandriva.com/security/advisories?name=MDVSA-2013:176, http://www.openwall.com/lists/oss-security/2013/05/14/6, http://www.reddit.com/r/netsec/comments/1eb9iw, http://www.ubuntu.com/usn/USN-1825-1, http://www.ubuntu.com/usn/USN-1826-1, http://www.ubuntu.com/usn/USN-1827-1, http://www.ubuntu.com/usn/USN-1828-1, http://www.ubuntu.com/usn/USN-1836-1, http://www.ubuntu.com/usn/USN-1838-1, https://github.com/torvalds/linux/commit/8176cced706b5e5d15887584150764894e94e02f, http://www.mandriva.com/security/advisories?name=MDVSA-2013:176, http://www.openwall.com/lists/oss-security/2013/05/14/6, http://packetstormsecurity.com/files/121616/semtex.c, http://twitter.com/djrbliss/statuses/334301992648331267, https://bugzilla.redhat.com/show_bug.cgi?id=962792, http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=8176cced706b5e5d15887584150764894e94e02f, http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.8.9, http://www.osvdb.org/93361

    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