CVE-2026-46291
In the Linux kernel, the following vulnerability has been resolved: crypto: caam - guard HMAC key hex dumps in hash_digest_key Use print_hex_dump_devel() for dumping sensitive HMAC key bytes in hash_digest_key() to avoid leaking secrets at runtime when CONFIG_DYNAMIC_DEBUG is enabled.
Affected versions
Linux kernel versions
3.6
and later are affected. Fixed in
6.6.140,
6.12.88,
6.18.30,
7.0.7,
7.1-rc1
and their respective stable series.
References
The following references provide additional information about CVE-2026-46291 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.
-
PatchKernel patch commithttps://git.kernel.org/stable/c/177730a273b18e195263ed953853273e901b5064
-
PatchKernel patch commithttps://git.kernel.org/stable/c/2adbfca7452eeac45117b8e803288a2767f7075f
-
PatchKernel patch commithttps://git.kernel.org/stable/c/5cffe3c136891aa4d579bf5c079a68f7cb371b0c
Frequently asked questions
-
What is CVE-2026-46291?
CVE-2026-46291 is a unscored severity Linux kernel vulnerability . It affects Linux kernel versions from 3.6 onward and has been patched in 6.6.140, 6.12.88, 6.18.30 and others. CVE-2026-46291 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
-
Is there a patch available for CVE-2026-46291?
Yes — CVE-2026-46291 has been patched. Fixed versions include 6.6.140, 6.12.88, 6.18.30 and others. If you are running Linux kernel 3.6 or later up to the fix versions, apply the relevant patch for your kernel branch.
-
Is CVE-2026-46291 actively exploited?
No — CVE-2026-46291 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.