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 2013-05-14 20:55:02
Updated 2025-02-04 20:15:32
Source Red Hat, Inc.
View at NVD,   CVE.org

Products affected by CVE-2013-2094

Threat overview for CVE-2013-2094

Top countries where our scanners detected CVE-2013-2094
Top open port discovered on systems with this issue 49152
IPs affected by CVE-2013-2094 3,745
Threat actors abusing to this issue? Yes
Find out if you* are affected by CVE-2013-2094!
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CVE-2013-2094 is in the CISA Known Exploited Vulnerabilities Catalog

CISA vulnerability name:
Linux Kernel Privilege Escalation Vulnerability
CISA required action:
Apply updates per vendor instructions.
CISA description:
Linux kernel fails to check all 64 bits of attr.config passed by user space, resulting to out-of-bounds access of the perf_swevent_enabled array in sw_perf_event_destroy(). Explotation allows for privilege escalation.
Notes:
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=8176cced706b5e5d15887584150764894e94e02f; https://nvd.nist.gov/vuln/detail/CVE-2013-2094
Added on 2022-09-15 Action due date 2022-10-06

Exploit prediction scoring system (EPSS) score for CVE-2013-2094

0.15%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 52 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2013-2094

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
7.2
HIGH AV:L/AC:L/Au:N/C:C/I:C/A:C
3.9
10.0
NIST
8.4
HIGH CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
2.5
5.9
134c704f-9b21-4f2e-91b3-4a467353bcc0 2025-02-04

CWE ids for CVE-2013-2094

  • Assigned by: nvd@nist.gov (Primary)

References for CVE-2013-2094

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