4.7

CVE-2022-27672: amd 1st gen amd epyc™ processors

Modified
AliasesALPINE-CVE-2022-27672SUSE-SU-2023:0692-1UBUNTU-CVE-2022-27672
Published 14-02-2023Last modified 13-04-2026

Vulnerability summary

CVE-2022-27672 is a medium (CVSS 4.7) vulnerability in amd 1st gen amd epyc™ processors. EPSS estimates a 0.28% chance of exploitation in the next 30 days, higher than 20.9% of scored vulnerabilities.

Priority
Routine

Not severe (CVSS 4.7, local access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
4.7/10
010
Medium · v3.1 (NVD)
EPSS score
0.28%
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 22 · Related 18
MGASA-2023-0087MGASA-2023-0088RHSA-2023:7370RHSA-2023:7379USN-5978-1USN-6079-1

Timeline

  1. 14-02-2023
    PublishedVulnerability first disclosed.
  2. 13-04-2026
    Last modifiedVulnerability information updated.

Description

When SMT is enabled, certain AMD processors may speculatively execute instructions using a target from the sibling thread after an SMT mode switch potentially resulting in information disclosure.

CVSS metrics

5 scores · 4 sources · 2 versions

EPSS trend

Probability

0.28%

Chance of exploitation in the next 30 days

Percentile

21%

Versus all other CVEs

30-day change

No change 0.00 pp

From 0.28% 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.

Amd177 products
Ubuntu20 products
  • linux< 4.15.0-218.229 | < 5.4.0-156.173 | < 5.15.0-72.79
  • linux-allwinner-5.19< 5.19.0-1012.12~22.04.1
  • linux-aws< 4.15.0-1161.174 | < 5.4.0-1107.115 | < 5.15.0-1036.40
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
Debian2 products
  • linux< 6.1.12-1
  • xen< 4.17.0+46-gaaf74a532c-1
Alpine1 product
  • xen< 4.16.4-r0 | < 4.17.0-r2

4 vendors · 200 products · Showing 200 of 276

References

35 links
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