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CVE-2013-2094VulnerabilityAdded to KEV 09/15/2022

CVE-2013-2094: Linux Kernel Privilege Escalation Vulnerability

Affects Linux KernelSource CISA KEV

0

Exploited in the wild · KEV due 6 Oct 2022 · public exploit available (Exploit-DB) · 47% EPSS : apply the vendor's fix or mitigations to Linux Kernel now.

Data as of 10/24/2026, 22:15:59 UTC

CVSS 3.1 base score
8.4High
How severe the flaw is on the 0–10 CVSS scale.
Exploitation

Actively exploited – in CISA KEV since 09/15/2022

KEV deadline
10/06/2022 US federal agencies must patch by this date; a sensible deadline for everyone else.
EPSS
47.7% chance of exploitation in 30 days – higher than 98% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
Public exploits
3 Exploit-DB entriesPublic attack or detection tooling exists; see Public exploits below.
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

What to do

Public exploits and detection

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.

Weaknesses

  • CWE-189Numeric Errors (opens in a new tab)

    Category

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

    MITRE does not allow mapping vulnerabilities to this entry; it groups weaknesses rather than naming one.

References

Community reviews

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