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CVE-2013-2094

High CVSS 8.4 Known exploited

Published 2013-05-14 · last changed 2026-06-16 · added to CISA KEV 2022-09-15

This one is being exploited in the wild.

CISA added CVE-2013-2094 to the Known Exploited Vulnerabilities catalog on 2022-09-15. Federal agencies are required to remediate it on a deadline. If you have affected machines, this is the class of finding that moves ahead of the rest of the queue.

The fix

We hold no Microsoft remediation data for CVE-2013-2094, which normally means it is not a Windows CVE. For non-Microsoft software the fix is the vendor's own updated release, and the affected versions are listed below.

What it is

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.

Sources

CVSS vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H