CVE-2013-2094
Actively exploited. CVE-2013-2094 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2022-09-15) — exploitation has been observed in the wild, and US federal agencies are required to remediate it under BOD 22-01. Treat patching as urgent.
Public exploit code is available. Proof-of-concept or working exploit code for CVE-2013-2094 is indexed in Exploit-DB and GitHub PoC. Expect opportunistic scanning and exploitation attempts — prioritize remediation.
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.
CSIRTS triage
- What
- Linux kernel fails to check all 64 bits of attr.config, resulting in out-of-bounds access and privilege escalation.
- Who is affected
- Deployments of the affected Linux kernel versions are affected.
- Urgency
- Remediation is urgent due to active exploitation and critical severity.
- Action
- Update to the latest version of the Linux kernel.
AI-assisted analysis generated from the source advisory — verify against the original.
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Exploitation outlook
- Exploitation confirmedAlready exploited in the wild (CISA KEV) — the prediction phase is over. Patch now. Riskier than 99% of all EPSS-scored CVEs.
Exploit availability
Public exploit or proof-of-concept code for CVE-2013-2094 is indexed in these free datasets. Available exploit code raises real-world risk independent of the CVSS score.
- Exploit-DBA public exploit is published in the Exploit-DB archive.look it up ↗
- GitHub PoCPublic proof-of-concept repositories on GitHub reference this CVE.look it up ↗
Advisory coverage (1)
- criticalexploitedCVE-2013-2094: Linux Kernel Privilege Escalation Vulnerabilitycisa-kev · 2022-09-15
External references
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