CVE-2021-29154

CVE Details

Release Date:

2021-04-08

Description

BPF JIT compilers in the Linux kernel through 5.11.12 have incorrect computation of branch displacements, allowing them to execute arbitrary code within the kernel context. This affects arch/x86/net/bpf_jit_comp.c and arch/x86/net/bpf_jit_comp32.c.

See more information about CVE-2021-29154 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:	7.8	Base Metrics:	AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Access Vector:	Local network	Attack Complexity:	Low
Privileges Required:	Low	User Interaction:	None
Scope:	Unchanged	Confidentiality Impact:	High
Integrity Impact:	High	Availability Impact:	High

Errata information

Platform	Errata	Release Date
Oracle Linux version 7 (kernel)	ELSA-2021-3327	2021-08-31
Oracle Linux version 7 (kernel-uek)	ELSA-2021-9222	2021-05-10
Oracle Linux version 7 (kernel-uek)	ELSA-2021-9306	2021-06-15
Oracle Linux version 7 (kernel-uek-container)	ELSA-2021-9223	2021-05-10
Oracle Linux version 7 (kernel-uek-container)	ELSA-2021-9307	2021-06-15
Oracle Linux version 8 (kernel)	ELSA-2022-1988	2022-05-17
Oracle Linux version 8 (kernel-uek)	ELSA-2021-9306	2021-06-15
Oracle Linux version 8 (kernel-uek-container)	ELSA-2021-9307	2021-06-15

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