CVE-2026-46291: crypto: caam - guard HMAC key hex dumps in hash_digest_key
Published Jun 8, 2026
·Updated
crypto: caam - guard HMAC key hex dumps in hashdigestkey
Affected Software
9 affected componentsFixes available
Linux Linux kernel (crypto/caam)
Microsoft azl3 kernel 6.6.139.1-1<6.6.141.1-1
6.6.141.1-1
Linux Linux kernel>=3.6<5.10.259
Linux Linux kernel>=5.11<5.15.210
Linux Linux kernel>=5.16<6.1.176
Linux Linux kernel>=6.2<6.6.140
Linux Linux kernel>=6.7<6.12.88
Linux Linux kernel>=6.13<6.18.30
Linux Linux kernel>=6.19<7.0.7
Remediation
Event History
Jun 8, 2026
CVE Published
via MITRE·03:46 PM
Data Sourced
via MITRE·03:46 PM
Description
Data Sourced
via NVD·05:16 PM
RemedyDescriptionSeverityAffected Software
Jun 10, 2026
Data Sourced
via Microsoft·08:04 AM
DescriptionSeverityWeaknessAffected Software
Frequently Asked Questions
1
What is the severity of CVE-2026-46291?
CVE-2026-46291 has a risk score of 34.
2
How do I fix CVE-2026-46291?
To fix CVE-2026-46291, ensure that your Linux kernel is updated to the latest version where the vulnerability is resolved.
3
What systems are affected by CVE-2026-46291?
CVE-2026-46291 affects systems running the Linux kernel with the crypto/caam module.
4
What type of vulnerability is CVE-2026-46291?
CVE-2026-46291 is a security vulnerability that involves the improper handling of HMAC key data.
5
What is the impact of CVE-2026-46291?
The impact of CVE-2026-46291 is the potential leakage of sensitive HMAC key bytes at runtime.