CVE-2021-38300

Updated: 2024-11-24 05:52:03.062108

Description:

arch/mips/net/bpf_jit.c in the Linux kernel before 5.4.10 can generate undesirable machine code when transforming unprivileged cBPF programs, allowing execution of arbitrary code within the kernel context. This occurs because conditional branches can exceed the 128 KB limit of the MIPS architecture.


Links NIST CIRCL RHEL Ubuntu

Severity

Severity Score
CVSS Version 2.x HIGH 7.2
CVSS Version 3.x HIGH 7.8

Status

OS name Project name Version Score Severity Status Errata Last updated

Statement

AlmaLinux 9.2 ESU kernel 5.14.0 7.8 HIGH Not Vulnerable 2024-01-19 13:10:08
CentOS 6 ELS kernel 2.6.32 7.8 HIGH Not Vulnerable 2022-04-06 12:47:34
CentOS 8.4 ELS kernel 4.18.0 7.8 HIGH Not Vulnerable 2022-04-06 12:47:34
CentOS 8.5 ELS kernel 4.18.0 7.8 HIGH Ignored 2022-04-06 12:47:34
CloudLinux 6 ELS kernel 2.6.32 7.8 HIGH Not Vulnerable 2022-04-06 12:47:34
Oracle Linux 6 ELS kernel 2.6.32 7.8 HIGH Not Vulnerable 2022-04-06 12:47:34
Ubuntu 16.04 ELS linux-hwe 4.15.0 7.8 HIGH Not Vulnerable 2022-10-04 14:02:42
Ubuntu 16.04 ELS linux 4.4.0 7.8 HIGH Not Vulnerable 2022-04-06 12:47:34
Ubuntu 18.04 ELS linux 4.15.0 7.8 HIGH Not Vulnerable 2023-08-28 21:18:49