Debian/linux: high 7.8
In the Linux kernel, the following vulnerability has been resolved: io_uring: prevent opcode speculation sqe->opcode is used for different tables, make sure we santitise it against speculations.
Action: Upgrade linux to 6.12.17-1 or later.
Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 6.12.17-1 | - |
Fixed versions
| 6.12.17-1 |
Sources
- osv: DEBIAN-CVE-2025-21863#Debian:14/linux
- https://security-tracker.debian.org/tracker/CVE-2025-21863
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