Linux Kernel Privilege Escalation Vulnerability (CVE-2013-2094)
Severity: high · Patch status: patched · Since 2022-09-15 · CVE-2013-2094
Linux kernel fails to check all 64 bits of attr.config passed by user space, resulting to out-of-bounds access of the perfsweventenabled array in swperfeventdestroy(). Explotation allows for privilege escalation. CISA added CVE-2013-2094 to its Known Exploited Vulnerabilities catalog on Sep 15, 2022, which means attackers are exploiting it in the wild.
What to do
- Apply updates per vendor instructions.
- US federal agencies must remediate by Oct 6, 2022 (BOD 22-01); treat that as the outer limit.
Sources
All live incidents on Threat Watch
