Known exploited vulnerability · Linux

CVE-2013-2094: Linux Kernel Privilege Escalation Vulnerability

highCVSS 3.1 8.4Exploited

The perfsweventinit 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 perfeventopen system call.

Published May 14, 2013 · Updated Jun 16, 2026

Required action

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Advisory details

From the National Vulnerability Database. This product uses the NVD API but is not endorsed or certified by the NVD.

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.

References

How this page is made: the data panel comes from the GitHub Advisory Database, CISA’s KEV catalog, the NVD and FIRST EPSS, and updates twice a day. No analysis has been written for this entry yet. Methodology

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