CVE-2021-28971

CVE Details

Release Date:

2021-03-22

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.

See more information about CVE-2021-28971 from MITRE CVE dictionary and NIST NVD

CVSS v3.0 metrics

NOTE: The following CVSS v3.0 metrics and score provided are preliminary and subject to review.

Base Score:	5.5	Base Metrics:	AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Access Vector:	Local network	Attack Complexity:	Low
Privileges Required:	Low	User Interaction:	None
Scope:	Unchanged	Confidentiality Impact:	None
Integrity Impact:	None	Availability Impact:	High

Errata information

Platform	Errata	Release Date
Oracle Linux version 7 (kernel-uek)	ELSA-2021-9220	2021-05-10
Oracle Linux version 7 (kernel-uek)	ELSA-2021-9222	2021-05-10
Oracle Linux version 7 (kernel-uek-container)	ELSA-2021-9221	2021-06-01
Oracle Linux version 7 (kernel-uek-container)	ELSA-2021-9223	2021-05-10
Oracle Linux version 8 (kernel)	ELSA-2021-4356	2021-11-16
Oracle Linux version 8 (kernel-uek)	ELSA-2021-9220	2021-05-10
Oracle Linux version 8 (kernel-uek-container)	ELSA-2021-9221	2021-06-01

This page is generated automatically and has not been checked for errors or omissions. For clarification or corrections please contact the Oracle Linux ULN team