Vulnerability in Linux Kernel
CVE-2013-2094
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.4 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.477 (98.8th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 99th percentile — 98.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.477 · newest: 0.477 · change: 0.000
Affected products
Weakness classification (CWE)
CISA KEV (Known Exploited Vulnerabilities)
This CVE is on the CISA KEV catalog, added on . CISA KEV inclusion means CISA has confirmed in-the-wild exploitation; US federal agencies are required to remediate within a published due date.
BOD 22-01 due date: .
Required action: Apply updates per vendor instructions.
Public proof-of-concept exploits
References
- lists.opensuse.org/opensuse-security-announce/2013-05/msg00018.html (vendor-advisory, VDB Entry, Third Party Advisory)
- www.mandriva.com/security/advisories (vendor-advisory, Mailing List, Third Party Advisory)
- lkml.indiana.edu/hypermail/linux/kernel/1304.1/04302.html (mailing-list, Third Party Advisory)
- lkml.indiana.edu/hypermail/linux/kernel/1304.1/03652.html (mailing-list, VDB Entry, Third Party Advisory)
- lists.centos.org/pipermail/centos-announce/2013-May/019733.html (mailing-list, VDB Entry, Third Party Advisory)
- www.ubuntu.com/usn/USN-1826-1 (vendor-advisory, Third Party Advisory)
- lkml.indiana.edu/hypermail/linux/kernel/1304.1/03976.html (mailing-list, VDB Entry, Third Party Advisory)
- www.ubuntu.com/usn/USN-1838-1 (vendor-advisory, Third Party Advisory)
- bugzilla.redhat.com/show_bug.cgi (Issue Tracking)
- github.com/torvalds/linux/commit/8176cced706b5e5d15887584150764894e94e02f (Third Party Advisory)
Frequently asked questions
- What is CVE-2013-2094?
- CVE-2013-2094 is a high-severity vulnerability in Linux Kernel, classified under CWE-189. CVSS score: 8.4/10. Published 2013-05-14.
- How severe is CVE-2013-2094?
- High severity. CVSS v3 base score is 8.4 out of 10.
- Is CVE-2013-2094 known to be exploited?
- Yes. CVE-2013-2094 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2022-09-15), indicating it is being actively exploited. 102 public proof-of-concept repositories are indexed.