CVE-2013-2094

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 v3.1

8.4 HIGHCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS v2.0

7.2 HIGHAV:L/AC:L/Au:N/C:C/I:C/A:C

EPSS

47.71% chance of exploitation in the next 30 days, 99th percentile

CISA KEV

added 2022-09-15

Published

2013-05-14

Updated

2025-10-22

Proof-of-concept exploits (7)

• http://packetstormsecurity.com/files/121616/semtex.c
• http://www.exploit-db.com/exploits/33589
• Pashkela/CVE-2013-20944★ · 2013-06-16
• hiikezoe/libperf_event_exploit17★ · 2013-06-20
• realtalk/cve-2013-209491★ · 2013-05-21
• timhsutw/cve-2013-20943★ · 2015-03-29
• vnik5287/CVE-2013-20941★ · 2019-07-23

ExploitDB entries (3)

• https://www.exploit-db.com/exploits/33589
• https://www.exploit-db.com/exploits/26131
• https://www.exploit-db.com/exploits/25444

Exploit collections (1)

• helloexp/0day/tree/master/98-Linux%E6%8F%90%E6%9D%83/2013/CVE-2013-2094

References

• CVE Record
• NVD entry

Related

• CVE-2011-1485
• CVE-2013-2596
• CVE-2014-4014
• CVE-2014-4699
• CVE-2016-6187
• CVE-2017-16995