DEBIAN-CVE-2025-21863

DEBIAN-CVE-2025-21863 PUBLISHED CVSS 7.800000190734863 HIGH

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.

Risk Scores

CVSS v3.1

7.800000190734863

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected Products

Vendor	Product	Versions
Debian:12	linux	6.17.10-1, 6.17.7-1, 0
Debian:11	linux	, 6.16.8-1,
Debian:14	linux	0, 0
Debian:13	linux	0, 0

Timeline

Mar 12, 2025 CVE Published
Apr 28, 2026 CVE Updated

References

https://security-tracker.debian.org/tracker/CVE-2025-21863 advisory

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