CVE-2013-2094
Published 2013-05-14 · Updated 2026-06-16 · Source secalert@redhat.com
Summary
CVE-2013-2094 is a high-severity (CVSS 8.4) vulnerability in Linux Kernel. CISA added it to the Known Exploited Vulnerabilities catalog on September 15, 2022, which means exploitation in the wild has been confirmed; US federal agencies had to remediate it by October 6, 2022. CISA does not currently list it as used in ransomware campaigns. Linux has 32 vulnerabilities in the KEV catalog, 2 of them linked to ransomware.
All 32 known-exploited Linux vulnerabilities →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 vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CISA Known-Exploited Vulnerability
Product: Linux — Kernel
Name: Linux Kernel Privilege Escalation Vulnerability
Date added: 2022-09-15 · Due: 2022-10-06
Required action: Apply updates per vendor instructions.
References
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=8176cced706b5e5d15887584150764894e94e02f
- 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

