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CVE-2021-28971

Published: Mar 22, 2021Updated: Nov 21, 2024 Sources: CVE List NVD BDUCWE-755
5.5MEDIUM
NVD MITRE
EPSS Score
0.4%
Top 69.7%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available
Self-Check
OpenVAS

Description

In intel_pmu_drain_pebs_nhm in arch/x86/events/intel/ds.c in the Linux kernel through 5.11.8 on some Haswell CPUs, userspace applications (such as perf-fuzzer) can cause a system crash because the PEBS status in a PEBS record is mishandled, aka CID-d88d05a9e0b6.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:LAC:LPR:LUI:NS:UC:NI:NA:H
Exploitability
AV:LAttack Vector
Local
AC:LAttack Complexity
Low
PR:LPrivileges Required
Low
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:NConfidentiality
None
I:NIntegrity
None
A:HAvailability
High
Open in CVSS calculator →

Weaknesses

CWE-755

Affected Products

netapp
commercial·US
cloud backup
Hardware Firmware
solidfire baseboard management controller firmware
Hardware Firmware
aff a250 firmware
Hardware Firmware
aff 500f firmware
Hardware Firmware
Сообщество свободного программного обеспечения
oss-projectaka fsf
Debian GNU/LinuxOn-premOS
Operating Systems / linux-distro
LinuxOn-premOS
Operating Systems / linux-distro
Red Hat Inc.
commercial·USaka red hat
Red Hat Enterprise LinuxOn-premOS
Operating Systems / linux-distro
Canonical Ltd.
commercial·GBaka canonical
UbuntuOn-premOS
Operating Systems / linux-distro
ООО «РусБИТех-Астра»
commercial·RUaka rusbitech-astra
Astra Linux Special EditionOn-premOS
Operating Systems / linux-distro
Fedora Project
oss-project·USaka fedora
FedoraOn-premOS
Operating Systems / linux-distro
and 6 more affected products View all →

Exploitability

Official Patch Available
Is your org exposed to CVE-2021-28971?We can run the check for you — a free external exposure review, no install. Check my exposure

References

https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2021-28971.xml
access.redhat.com
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-28971
cve.mitre.org
https://git.kernel.org/linus/d88d05a9e0b6d9356e97129d4ff9942d765f46ea
git.kernel.org
and 35 more references View all →
News mentions
Could not load news mentions.

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