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CVE-2021-26401

Published: Mar 11, 2022Updated: Nov 21, 2024 Sources: CVE List NVD BDU csafNVD-CWE-noinfo
NVD MITRE
5.6CVSSMEDIUM
EPSS Score
0.3%
Top 80.1%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

Description

LFENCE/JMP (mitigation V2-2) may not sufficiently mitigate CVE-2017-5715 on some AMD CPUs.

CVSS Vector Breakdown

AV:LAC:HPR:LUI:NS:CC:HI:NA:N
Exploitability
AV:LAttack Vector
Local
AC:HAttack Complexity
High
PR:LPrivileges Required
Low
UI:NUser Interaction
None
Scope
S:CScope
Changed
Impact
C:HConfidentiality
High
I:NIntegrity
None
A:NAvailability
None
Open in CVSS calculator →

Weaknesses

NVD-CWE-noinfo

Affected Products

Red Hat Enterprise LinuxRed Hat Inc.
On-premOS
Operating Systems / linux-distro
Debian GNU/LinuxСообщество свободного программного обеспечения
On-premOS
Operating Systems / linux-distro
UbuntuCanonical Ltd.
On-premOS
Operating Systems / linux-distro
Astra Linux Special EditionООО «РусБИТех-Астра»
On-premOS
Operating Systems / linux-distro
1st Gen AMD EPYCAdvanced Micro Devices Inc.Hardware Firmware
red hat inc.commercialUSOperating Systemsaka red hat
сообщество свободного программного обеспеченияoss-projectOperating Systemsaka сообщество свободного программного обеспечения, fsf
canonical ltd.commercialGBOperating Systemsaka canonical
ооо «русбитех-астра»commercialRUOperating Systemsaka rusbitech-astra
advanced micro devices inc.commercialUSHardware Firmwareaka amd
and 146 more affected products View all →

Exploitability

Official Patch Available

References

http://www.openwall.com/lists/oss-security/2022/03/18/2
openwall.com
https://access.redhat.com/security/cve/CVE-2021-26401
access.redhat.com
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-26401
cve.mitre.org
and 79 more references View all →

Timeline

Published
Mar 11, 2022
Last Updated
Nov 21, 2024

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