Home/CVE/Potential floating point value injection in all supported CPU products, in conjunction with software vulnerabilities rel
CVE

CVE-2021-26314

Potential floating point value injection in all supported CPU products, in conjunction with software vulnerabilities rel

Potential floating point value injection in all supported CPU products, in conjunction with software vulnerabilities relating to speculative execution with incorrect floating point results, may cause the use of incorrect data from FPVI and may result in data leakage.

MEDIUM · CVSS 5.5 EPSS 0.00093
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-203Observable Discrepancy
CWE-208Observable Timing Discrepancy
▤

Affected Products & Versions

8
xenall versions
arm cortex-a72all versions
broadcom bcm2711all versions
intel core i7-10700kall versions
intel core i7-7700kall versions
intel core i9-9900kall versions
intel xeon silver 4214all versions
fedoraproject fedoraall versions
▣

Scoring & Timeline

5.5
MEDIUM · CVSS v3.1 · psirt@amd.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD09 Jun 2021 · 12:15 PM
CVSS VectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
🔗

References & Sources

5
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://www.openwall.com/lists/oss-security/2021/06/09/2Mailing ListThird Party Advisory
http://www.openwall.com/lists/oss-security/2021/06/10/1ExploitMailing ListThird Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/H36U6CNREC436W6GYO7QUMJIVEA35SCV/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SVA2NY26MMXOODUMYZN5DCU3FXMBMBOB/
https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1003Vendor Advisory
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