# CVE-2013-2094: Linux Kernel Privilege Escalation Vulnerability

- Exploited (CISA KEV): yes, added 2022-09-15
- Published: 2013-05-14
- CVSS: 8.4 HIGH (v3.1)
- EPSS: 47.7% (99th percentile)
- CWE: CWE-189

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.

## Edge WAF coverage (claimed by vendors, not measured)

| Vendor | Status | First rule | Days after publication |
|---|---|---|---|
| Cloudflare | Before feed history | — | — |
| AWS | Before feed history | — | — |
| Microsoft Azure | No public claim | — | — |
| Google Cloud | Before feed history | — | — |
| Fastly | Before feed history | — | — |
| F5 | Before feed history | — | — |
| Akamai | No public source | — | — |
| OWASP CRS | Before feed history | — | — |

"No public claim" means no vendor statement names this CVE; "Before feed history" means the CVE is older than the vendor feed. In both cases generic rules may still block it.

HTML: https://cve.vigilbase.com/cve/CVE-2013-2094 · JSON: https://cve.vigilbase.com/api/v1/cves/CVE-2013-2094