Is there a public exploit for CVE-2026-99238?

No public exploit for CVE-2026-99238 was found in Exploit-DB, Metasploit, Nuclei templates or public proof-of-concept repositories. That is an absence of evidence rather than proof that none exists.

How severe is CVE-2026-99238?

CVE-2026-99238 scores CVSS 7.8 (v3.1), rated high.

What does CVE-2026-99238 affect?

CVE-2026-99238 affects Linux Linux.

7.8 High

In the Linux kernel, the following vulnerability has been resolved: tracing: Hold tracetypeslock when updating modules in persistent…

CVE-2026-99238

In the Linux kernel, the following vulnerability has been resolved: tracing: Hold tracetypeslock when updating modules in persistent instances tracemodulerecord() walks ftracetracearrays from the module notifier without tracetypeslock. A concurrent rmdir of an instance removes it from the list and frees it under that lock, so a module load or unload can walk into a freed tracearray.

Assessment

CVSS: 7.8 (v3.1)
Severity: High
Known exploited: Not listed in CISA KEV
Exploit availability: Nothing found in Exploit-DB, Metasploit, Nuclei or public PoC repositories
Published: 2 November 2026
Last updated: 3 November 2026
Affected: Linux · Linux
Assigner: Linux

CVSS vectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

At the source

EUVD (ENISA)

References

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