# CVE-2013-2094

## Summary

- **CVE ID:** CVE-2013-2094
- **Severity:** HIGH
- **CVSS Score:** 8.4 (CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)
- **CWE:** N/A
- **Published:** May 14, 2013
- **Last Modified:** Sep 16, 2026

## 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.

## Affected Products

- n/a — n/a (n/a)

## References

- [CNA](http://lists.opensuse.org/opensuse-security-announce/2013-05/msg00018.html)
- [CNA](http://www.mandriva.com/security/advisories?name=MDVSA-2013:176)
- [CNA](http://lkml.indiana.edu/hypermail/linux/kernel/1304.1/04302.html)
- [CNA](http://lkml.indiana.edu/hypermail/linux/kernel/1304.1/03652.html)
- [CNA](http://lists.centos.org/pipermail/centos-announce/2013-May/019733.html)
- [CNA](http://www.ubuntu.com/usn/USN-1826-1)
- [CNA](http://lkml.indiana.edu/hypermail/linux/kernel/1304.1/03976.html)
- [CNA](http://www.ubuntu.com/usn/USN-1838-1)
- [CNA](https://bugzilla.redhat.com/show_bug.cgi?id=962792)
- [CNA](https://github.com/torvalds/linux/commit/8176cced706b5e5d15887584150764894e94e02f)
- [CNA](http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.8.9)
- [CNA](http://www.ubuntu.com/usn/USN-1828-1)
- [CNA](http://lists.centos.org/pipermail/centos-announce/2013-May/019729.html)
- [CNA](http://www.ubuntu.com/usn/USN-1827-1)
- [CNA](http://www.ubuntu.com/usn/USN-1836-1)
- [CNA](http://www.osvdb.org/93361)
- [CNA](http://www.exploit-db.com/exploits/33589)
- [CNA](http://rhn.redhat.com/errata/RHSA-2013-0830.html)
- [CNA](http://news.ycombinator.com/item?id=5703758)
- [CNA](http://www.openwall.com/lists/oss-security/2013/05/14/6)
- [CNA](http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=8176cced706b5e5d15887584150764894e94e02f)
- [CNA](http://lists.opensuse.org/opensuse-security-announce/2013-05/msg00008.html)
- [CNA](http://packetstormsecurity.com/files/121616/semtex.c)
- [CNA](http://lists.opensuse.org/opensuse-security-announce/2013-06/msg00005.html)
- [CNA](http://twitter.com/djrbliss/statuses/334301992648331267)
- [CNA](http://www.reddit.com/r/netsec/comments/1eb9iw)
- [CNA](http://lists.opensuse.org/opensuse-security-announce/2013-06/msg00017.html)
- [CNA](http://www.ubuntu.com/usn/USN-1825-1)
- [CNA](http://lists.opensuse.org/opensuse-security-announce/2013-06/msg00009.html)
- [CISA-ADP](https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2013-2094)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 58.45%
- **EPSS Percentile:** 98.2

## Known Exploited Vulnerabilities (KEV)

- **Date Added:** Sep 15, 2022
- **Due Date:** Oct 6, 2022

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-17._