x86/microcode/AMD: Fix __apply_microcode_amd()'s return value

Summary

CVECVE-2025-22047
StatePUBLISHED
AssignerLinux
Source PriorityCVE Program / NVD first with legacy fallback
Published2025-04-16 15:15:58 UTC
Updated2026-07-30 06:22:08 UTC
DescriptionIn the Linux kernel, the following vulnerability has been resolved: x86/microcode/AMD: Fix __apply_microcode_amd()'s return value When verify_sha256_digest() fails, __apply_microcode_amd() should propagate the failure by returning false (and not -1 which is promoted to true).

Risk And Classification

Primary CVSS: v3.1 5.5 MEDIUM from [email protected]

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

Problem Types: NVD-CWE-noinfo


VersionSourceTypeScoreSeverityVector
3.1[email protected]Primary5.5MEDIUMCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
3.1416baaa9-dc9f-4396-8d5f-8c081fb06d67Secondary7.8HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
3.1CNADECLARED7.8HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CVSS v3.1 Breakdown

Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High

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

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Linux Linux Kernel All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Linux Linux affected bef830144febedb7de86863ae99d8f53bed76e95 763f4d638f71cb45235395790a46e9f9e84227fd git Not specified
CNA Linux Linux affected 3e8653e399e7111a3e87d534ff4533b250ae574f ada88219d5315fc13f2910fe278c7112d8d68889 git Not specified
CNA Linux Linux affected c162ba4f45ab6ef3b7114af6fb419f1833f050c0 d295c58fad1d5ab987a81f139dd21498732c4f13 git Not specified
CNA Linux Linux affected 50cef76d5cb0e199cda19f026842560f6eedc4f7 7f705a45f130a85fbf31c2abdc999c65644c8307 git Not specified
CNA Linux Linux affected 50cef76d5cb0e199cda19f026842560f6eedc4f7 31ab12df723543047c3fc19cb8f8c4498ec6267f git Not specified
CNA Linux Linux affected 6.6.81 6.6.87 semver Not specified
CNA Linux Linux affected 6.12.18 6.12.23 semver Not specified
CNA Linux Linux affected 6.13.6 6.13.11 semver Not specified
CNA Linux Linux affected 6.14 Not specified
CNA Linux Linux unaffected 6.14 semver Not specified
CNA Linux Linux unaffected 6.6.87 6.6.* semver Not specified
CNA Linux Linux unaffected 6.12.23 6.12.* semver Not specified
CNA Linux Linux unaffected 6.13.11 6.13.* semver Not specified
CNA Linux Linux unaffected 6.14.2 6.14.* semver Not specified
CNA Linux Linux unaffected 6.15 * original_commit_for_fix Not specified

References

ReferenceSourceLinkTags
git.kernel.org/stable/c/763f4d638f71cb45235395790a46e9f9e84227fd 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/31ab12df723543047c3fc19cb8f8c4498ec6267f 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/d295c58fad1d5ab987a81f139dd21498732c4f13 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/7f705a45f130a85fbf31c2abdc999c65644c8307 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/ada88219d5315fc13f2910fe278c7112d8d68889 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

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