Sigma Watch is free and independent. If it saves you time, keep it running. ☕ Buy me a coffee
SigmaWatch
CVE coverage

CVE-2026-55307

CVSS 4.4 no coverage
View on NVD →
In kdn_set_sysregs_prot of hwcrypto-kdn.c, there is a possible information disclosure due to a logic error in the code. This could lead to local information disclosure with System execution privileges needed. User interaction is not needed for exploitation.

Detection rules

No detection found — yet
None of Sigma, Elastic, Splunk ESCU, YARA, Microsoft Sentinel, Snort, or Suricata currently has a rule referencing CVE-2026-55307.