CVE-2013-2094

Advisory lineage Upstream: 0 Downstream: 8
Analyzed
Published: 14 May 2013, 20:00
Last modified:22 Oct 2025, 00:05

Vulnerability Summary

Overall Risk (default)
high
57/100
CVSS Score
8.4 HIGH
v3.1 (cve.org)
EPSS Score
65.85% CRITICAL
66% probability +1.32%
KEV
Listed
CISA
1 listing
Ransomware
No reports
Public exploits
4 found
Dark Web
Not detected

Timeline

14 May 2013, 20:00
Published
Vulnerability first disclosed
15 Sept 2022, 00:00
Added to CISA KEV
Linux Kernel Privilege Escalation Vulnerability
06 Oct 2022, 00:00
CISA Remediation Due
Apply updates per vendor instructions.
22 Oct 2025, 00:05
Last Modified
Vulnerability information updated

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 Metrics

  • v3.1•HIGH•Score: 8.4CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
  • v2.0•HIGH•Score: 7.2AV:L/AC:L/Au:N/C:C/I:C/A:C

EPSS Trends

Current EPSS score: 65.85%• Percentile: 99%

Techniques & Countermeasures

  • CWE-189•Numeric Errors

    Weaknesses in this category are related to improper calculation or conversion of numbers.

Affected Systems

  • linux•linux_kernel

    < 3.0.75 | ≥ 3.1, < 3.2.45 | ≥ 3.3, < 3.4.42 | ≥ 3.5, < 3.8.9

References (30)