CVE-2025-21863
7.8
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Summary
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.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Linux | Linux | d3656344fea0339fb0365c8df4d2beba4e0089cd < 87e9eef43c758da267f6332678058a79764c7eba | affected |
| Linux | Linux | d3656344fea0339fb0365c8df4d2beba4e0089cd < 18eae8420081ef8e043ad455937bfb470ef08607 | affected |
| Linux | Linux | d3656344fea0339fb0365c8df4d2beba4e0089cd < d261ead565a080e3411b0dd04e6d58a52471cac8 | affected |
| Linux | Linux | d3656344fea0339fb0365c8df4d2beba4e0089cd < b9826e3b26ec031e9063f64a7c735449c43955e4 | affected |
| Linux | Linux | d3656344fea0339fb0365c8df4d2beba4e0089cd < 506b9b5e8c2d2a411ea8fe361333f5081c56d23a | affected |
| Linux | Linux | d3656344fea0339fb0365c8df4d2beba4e0089cd < fdbfd52bd8b85ed6783365ff54c82ab7067bd61b | affected |
| Linux | Linux | d3656344fea0339fb0365c8df4d2beba4e0089cd < 1e988c3fe1264708f4f92109203ac5b1d65de50b | affected |
| Linux | Linux | 5.6 | affected |
| Linux | Linux | 0 < 5.6 | unaffected |
| Linux | Linux | 5.10.259 <= 5.10.* | unaffected |
| Linux | Linux | 5.15.209 <= 5.15.* | unaffected |
| Linux | Linux | 6.1.175 <= 6.1.* | unaffected |
| Linux | Linux | 6.6.80 <= 6.6.* | unaffected |
| Linux | Linux | 6.12.17 <= 6.12.* | unaffected |
| Linux | Linux | 6.13.5 <= 6.13.* | unaffected |
| Linux | Linux | 6.14 <= * | unaffected |
Weaknesses
ADP Enrichment
CISA ADP Vulnrichment
- SSVC:
- Exploitation: none
- Automatable: no
- Technical Impact: total
References
- https://git.kernel.org/stable/c/87e9eef43c758da267f6332678058a79764c7eba
- https://git.kernel.org/stable/c/18eae8420081ef8e043ad455937bfb470ef08607
- https://git.kernel.org/stable/c/d261ead565a080e3411b0dd04e6d58a52471cac8
- https://git.kernel.org/stable/c/b9826e3b26ec031e9063f64a7c735449c43955e4
- https://git.kernel.org/stable/c/506b9b5e8c2d2a411ea8fe361333f5081c56d23a
- https://git.kernel.org/stable/c/fdbfd52bd8b85ed6783365ff54c82ab7067bd61b
- https://git.kernel.org/stable/c/1e988c3fe1264708f4f92109203ac5b1d65de50b
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