VulnerabilityAnalyzed
CVE-2013-2094
Linux Kernel Privilege Escalation Vulnerability
KEVHIGH 8.4EPSS 47.7%
Does this matter?
Known to be exploited in the wild (CISA KEV, CISA remediation deadline 6 October 2022). Treat as an emergency change: patch or isolate now, then hunt for prior compromise.
Description
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.
- CVSS 3.1
- 8.4 HIGHCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 47.71% probability · 99th percentile
- CISA KEV
- Listed 15 September 2022 · due 6 October 2022
- Weakness
- CWE-189
- Affected
- linux/linux kernel
- Source
- secalert@redhat.com
CISA notes
Apply updates per vendor instructions. https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=8176cced706b5e5d15887584150764894e94e02f; https://nvd.nist.gov/vuln/detail/CVE-2013-2094
References
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=8176cced706b5e5d15887584150764894e94e02fNot Applicable
- http://lists.centos.org/pipermail/centos-announce/2013-May/019729.htmlThird Party Advisory, VDB Entry
- http://lists.centos.org/pipermail/centos-announce/2013-May/019733.htmlThird Party Advisory, VDB Entry
- http://lists.opensuse.org/opensuse-security-announce/2013-05/msg00008.htmlThird Party Advisory, VDB Entry
- http://lists.opensuse.org/opensuse-security-announce/2013-05/msg00018.htmlThird Party Advisory, VDB Entry
- http://lists.opensuse.org/opensuse-security-announce/2013-06/msg00005.htmlThird Party Advisory, VDB Entry
- http://lists.opensuse.org/opensuse-security-announce/2013-06/msg00009.htmlThird Party Advisory, VDB Entry
- http://lists.opensuse.org/opensuse-security-announce/2013-06/msg00017.htmlThird Party Advisory, VDB Entry
- http://lkml.indiana.edu/hypermail/linux/kernel/1304.1/03652.htmlThird Party Advisory, VDB Entry
- http://lkml.indiana.edu/hypermail/linux/kernel/1304.1/03976.htmlThird Party Advisory, VDB Entry
- http://lkml.indiana.edu/hypermail/linux/kernel/1304.1/04302.htmlThird Party Advisory
- http://news.ycombinator.com/item?id=5703758Third Party Advisory
- http://packetstormsecurity.com/files/121616/semtex.cExploit, Third Party Advisory, VDB Entry
- http://rhn.redhat.com/errata/RHSA-2013-0830.htmlThird Party Advisory
- http://twitter.com/djrbliss/statuses/334301992648331267Patch
- http://www.exploit-db.com/exploits/33589Third Party Advisory, VDB Entry
- http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.8.9Not Applicable
- http://www.mandriva.com/security/advisories?name=MDVSA-2013:176Mailing List, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2013/05/14/6Mailing List, Third Party Advisory
- http://www.osvdb.org/93361Broken Link
- http://www.reddit.com/r/netsec/comments/1eb9iwThird Party Advisory
- http://www.ubuntu.com/usn/USN-1825-1Third Party Advisory
- http://www.ubuntu.com/usn/USN-1826-1Third Party Advisory
- http://www.ubuntu.com/usn/USN-1827-1Third Party Advisory
- http://www.ubuntu.com/usn/USN-1828-1Third Party Advisory
- http://www.ubuntu.com/usn/USN-1836-1Third Party Advisory
- http://www.ubuntu.com/usn/USN-1838-1Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=962792Issue Tracking
- https://github.com/torvalds/linux/commit/8176cced706b5e5d15887584150764894e94e02fThird Party Advisory
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=8176cced706b5e5d15887584150764894e94e02fNot Applicable
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.