CVE-2025-71304 smack: /smack/doi: accept previously used values

In the Linux kernel, the following vulnerability has been resolved: smack: /smack/doi: accept previously used values Writing to /smack/doi a value that has ever been written there in the past disables networking for non-ambient labels. E.g. cat /smack/doi 3 netlabelctl -p cipso list Configured...

CVE-2025-71304

The CVE-2025-71304 entry describes a Linux kernel Smack issue where /smack/doi could accept values that were previously written, causing decommissioned DOIs to linger and the default domain map to be unavailable. This behavior can disable networking for non-ambient labels because existing CIPSO/D...