CVE Watch—

CVE-2013-2094

Linux Kernel Privilege Escalation Vulnerability

CVSS

—

No CVSS

EPSS

47.7%

p99

KEV

YES

Sep 15, 2022

Exploit Today

0-100

Published: — · Last modified: —

EPSS · 30d

47.7%EPSS · 30 days47.7%

2026-06-302026-07-16

KEV catalog record

Product

Linux / Kernel

Vulnerability

Linux Kernel Privilege Escalation Vulnerability

Added to KEV

Sep 15, 2022

Remediate by

Oct 6, 2022

Known ransomware use

Summary 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.

Required action

Apply updates per vendor instructions.

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

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