Linux Kernel: Linux Kernel Improper Check for Unusual or Exceptional Conditions Vulnerability
Medium · CISA Known Exploited Vulnerabilities ·
What happened
Linux kernel TLS receive path flaw (CVE-2025-39682) in CISA KEV lets zero-length records bypass recvmsg handling, risking incorrect processing of later TLS records.
What to do now
Patch Linux kernels to vendor-supported versions now; if EoL/EoS, migrate to supported OS/kernel. Review CISA BOD 26-04 and vendor advisory, prioritize internet-exposed assets, and apply mitigations; verify with vendor advisory.
Original source
AI-assisted analysis, sources cited. Verify with the vendor advisory before acting.