Debian/linux: high 7.8
In the Linux kernel, the following vulnerability has been resolved: keys: Fix UAF in key_put() Once a key's reference count has been reduced to 0, the garbage collector thread may destroy it at any ti
Action: Upgrade linux to 6.12.21-1 or later.
Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 6.12.21-1 | - |
Fixed versions
| 6.12.21-1 |
Sources
- osv: DEBIAN-CVE-2025-21893#Debian:14/linux
- https://security-tracker.debian.org/tracker/CVE-2025-21893
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