AMD Speculative Code Store Bypass (AMD All supported processors)

CVE-2021-26313
MEDIUM 5.5

At a glance

Source
NVD
EPSS
EPSS 0.33 % · percentile 26 ()
State
PUBLISHED
Published
Updated
Assigner
AMD
NVD status
Modified

Description

Potential speculative code store bypass in all supported CPU products, in conjunction with software vulnerabilities relating to speculative execution of overwritten instructions, may cause an incorrect speculation and could result in data leakage.

Weaknesses (CWE)

  • CWE-208 — Observable Timing Discrepancy
  • CWE-203 — Observable Discrepancy

References

Scores

VersionScoreVectorScored by
CVSS 3.1MEDIUM 5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:NNVD · nvd@nist.gov (Primary)
CVSS 2.0LOW 2.1AV:L/AC:L/Au:N/C:P/I:N/A:NNVD · nvd@nist.gov (Primary)

European references

CERT-FR advisories

Affected configurations (NVD CPE)

Affected products

ProductVersions
AMD · All supported processorsaffected unspecified < undefined

Sources

SourceLicence
CVE List (CVEProject cvelistV5)CVE Program Terms of Use
EPSS (FIRST.org)FIRST — attribution requested
ENISA EUVDENISA — reproduction authorised, source acknowledged
CERT-FR (ANSSI)Licence Ouverte / Etalab 2.0
NVD (NIST) via fkie-cad/nvd-json-data-feedsPublic domain — this product uses data from the NVD API but is not endorsed or certified by the NVD