All vulnerabilities
CVE-2013-2094

Linux Kernel Privilege Escalation Vulnerability

Linux KernelOperating systems
Open in ThreatlineRecord JSON
CVSS
8.4High
ExploitationExploited in the wildAdded to KEV 15 Sep 2022CISA KEV
Exploit odds (EPSS)47.7%Chance of exploitation activity in the next 30 days, higher than 98% of CVEs. Scored 23 Oct 2026FIRST EPSS
Fixed inNone listedNo source names a fixed version. Check the vendor advisory below
Federal deadline6 Oct 2022Remediation due date for US federal agenciesCISA KEV
CISA required actionApply updates per vendor instructions. CISA KEV

What fixes it

No source in this snapshot names a fixed version. The vendor advisories under References are the place to check.

Timeline

  1. 14 May 2013Exploit code publicExploit-DB
  2. 14 May 2013, 20:00 UTCPublishedCVE List
  3. 15 Sep 2022Added to CISA KEVCISA KEV

Public exploit code and templates 3

  • Local exploitLinux Kernel 2.6.32 < 3.x (CentOS 5/6) - 'PERF_EVENTS' Local Privilege Escalation (1) 14 May 2013Exploit-DB
  • Local exploitLinux Kernel 3.2.0-23/3.5.0-23 (Ubuntu 12.04/12.04.1/12.04.2 x64) - 'perf_swevent_init' Local Privilege Escalation (3) 31 May 2014Exploit-DB
  • Local exploitLinux Kernel < 3.8.9 (x86-64) - 'perf_swevent_init' Local Privilege Escalation (2) 11 Jun 2013Exploit-DB

Listed so defenders can prioritize. Threatline links to the source and does not host exploit code.

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.

Text from CVE List

Affected versions 1

  • n/aaffected: n/aCVE List

References 5