7.8

CVE-2025-22047: x86/microcode/AMD: Fix __apply_microcode_amd()'s return value

Modified
AliasesUBUNTU-CVE-2025-22047DEBIAN-CVE-2025-22047
Published 16-04-2025Last modified 05-08-2026

Vulnerability summary

CVE-2025-22047 is a high (CVSS 7.8) vulnerability in linux. EPSS estimates a 0.21% chance of exploitation in the next 30 days, higher than 11.8% of scored vulnerabilities.

Priority
Routine

Not severe (CVSS 7.8, local access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
7.8/10
010
High · v3.1 (CVE.org)
EPSS score
0.21%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 31 · Related 29
MGASA-2025-0142MGASA-2025-0146SUSE-SU-2026:0447-1SUSE-SU-2026:0471-1SUSE-SU-2026:0472-1SUSE-SU-2026:0587-1

Timeline

  1. 16-04-2025
    PublishedVulnerability first disclosed.
  2. 05-08-2026
    Last modifiedVulnerability information updated.

Description

In 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).

CVSS metrics

4 scores · 4 sources · 1 version

EPSS trend

Probability

0.21%

Chance of exploitation in the next 30 days

Percentile

12%

Versus all other CVEs

30-day change

No change 0.00 pp

From 0.21% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

No weakness data has been published for this record.

Affected systems

Version check

Known conditions: local access, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.

Ubuntu108 products
  • linux< 6.8.0-86.87
  • linux-allwinner-5.19All versions (No fix recorded)
  • linux-aws< 6.8.0-1041.43
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
Linux2 products
  • linux≥ bef830144febedb7de86863ae99d8f53bed76e95, < 763f4d638f71cb45235395790a46e9f9e84227fd | ≥ 3e8653e399e7111a3e87d534ff4533b250ae574f, < ada88219d5315fc13f2910fe278c7112d8d68889 | ≥ c162ba4f45ab6ef3b7114af6fb419f1833f050c0, < d295c58fad1d5ab987a81f139dd21498732c4f13 | ≥ 50cef76d5cb0e199cda19f026842560f6eedc4f7, < 7f705a45f130a85fbf31c2abdc999c65644c8307 | ≥ 50cef76d5cb0e199cda19f026842560f6eedc4f7, < 31ab12df723543047c3fc19cb8f8c4498ec6267f | ≥ 6.6.81, < 6.6.87 | ≥ 6.12.18, < 6.12.23 | ≥ 6.13.6, < 6.13.11 | 6.14
  • linux_kernelEOL≥ 6.6.81, < 6.6.87 | ≥ 6.12.18, < 6.12.23 | ≥ 6.13.6, < 6.13.11 | 6.14 | 6.14:rc6 | 6.14:rc7 | 6.14.1
Debian1 product
  • linux< 6.12.25-1

3 vendors · 111 products

References

30 links
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