High severity · published May 14, 2013
CVE-2013-2094
Linux Kernel Privilege Escalation Vulnerability
In wildKEV
8.4
CVSS
47.7%
EPSS
Yes
On KEV
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
Attack vector
Local
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)47.7% · higher than 99% of CVEs
Exploited in the wildYes
CISA KEVListed Sep 15, 2022
Federal remediation dueOct 6, 2022
Ransomware campaign useNot known
Affected products
Which versions
KE
Kernel · Linux
before 3.0.75; 3.1 before 3.2.45; 3.3 before 3.4.42; 3.5 before 3.8.9 · source: NVD, KEV
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2013-2094
CVE.org
https://www.cve.org/CVERecord?id=CVE-2013-2094
CISA KEV catalogue
https://www.cisa.gov/known-exploited-vulnerabilities-catalog
vendor-advisory
http://lists.opensuse.org/opensuse-security-announce/2013-05/msg00018.html
vendor-advisory
http://www.mandriva.com/security/advisories?name=MDVSA-2013:176
mailing-list
http://lkml.indiana.edu/hypermail/linux/kernel/1304.1/04302.html
mailing-list
http://lkml.indiana.edu/hypermail/linux/kernel/1304.1/03652.html
mailing-list
http://lists.centos.org/pipermail/centos-announce/2013-May/019733.html
vendor-advisory
http://www.ubuntu.com/usn/USN-1826-1
More from Kernel
9.8
CVE-2025-39682
tls: fix handling of zero-length records on the rx_list
8.8
CVE-2026-53266
netfilter: bridge: make ebt_snat ARP rewrite writable
8.8
CVE-2013-6282
Linux Kernel Improper Input Validation Vulnerability
8.4
CVE-2022-0185
Linux Kernel Heap-Based Buffer Overflow Vulnerability
7.8
CVE-2026-53362
ipv6: account for fraggap on the paged allocation path