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CVE-2021-26314

AMD Speculative execution with Floating-Point Value Injection

Published: Jun 9, 2021Updated: Nov 21, 2024 Sources: CVE List NVDCWE-208
NVD MITRE
5.5CVSSMEDIUM
EPSS Score
0.6%
Top 55.7%
CISA KEV
Not in KEV
Exploits
1 Known
Remediation
Patch Available

Description

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.

CVSS Vector Breakdown

AV:LAC:LPR:LUI:NS:UC:HI:NA:N
Exploitability
AV:LAttack Vector
Local
AC:LAttack Complexity
Low
PR:LPrivileges Required
Low
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:NIntegrity
None
A:NAvailability
None
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Weaknesses

CWE-208CWE-203

Affected Products

xenxen
On-prem
Cloud & SaaS / virtualization
cortex-a72armOSS Libraries
bcm2711broadcom
Mixed
Cloud & SaaS / virtualization
core i7-10700kintelHardware Firmware
core i7-7700kintelHardware Firmware
xenoss-projectGBCloud & SaaSaka xapi, qemu
armoss-projectGBOSS Librariesaka arm ltd
broadcomcommercialUSCloud & SaaSaka broadcom inc
intelcommercialUSHardware Firmwareaka intel corp.
and 4 more affected products View all →

Attack Graph

Products CVE Techniques Tactics

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Exploitability

1 exploit source identified

Exploit details including PoC links, Metasploit modules, and scanner templates are available after registration.

View exploit details
Official Patch Available

MITRE ATT&CK

1 technique
Discovery
View detailed technique mapping

References

http://www.openwall.com/lists/oss-security/2021/06/09/2
openwall.com
http://www.openwall.com/lists/oss-security/2021/06/10/1
openwall.com
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/H36U6CNREC436W6GYO7QUMJIVEA35SCV/
lists.fedoraproject.org
and 2 more references View all →

Timeline

Published
Jun 9, 2021
Last Updated
Nov 21, 2024

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