CVE-2021-38300 (High) detected in linux-stable-rtv4.1.33

[mend-bolt-for-github[bot]]

CVE-2021-38300 - High Severity Vulnerability

Vulnerable Library - linux-stable-rtv4.1.33

Julia Cartwright's fork of linux-stable-rt.git

Library home page: https://git.kernel.org/pub/scm/linux/kernel/git/julia/linux-stable-rt.git

Found in HEAD commit: 63ac601c421ad3f087ec68a99300cc5058d1cc54

Found in base branch: master

Vulnerable Source Files (2)

/arch/mips/net/bpf_jit.c /arch/mips/net/bpf_jit.c

Vulnerability Details

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.

Publish Date: 2021-09-20

URL: CVE-2021-38300

CVSS 3 Score Details (7.8)

Base Score Metrics: - Exploitability Metrics: - Attack Vector: Local - Attack Complexity: Low - Privileges Required: Low - User Interaction: None - Scope: Unchanged - Impact Metrics: - Confidentiality Impact: High - Integrity Impact: High - Availability Impact: High

For more information on CVSS3 Scores, click here.

Suggested Fix

Type: Upgrade version

Origin: https://www.linuxkernelcves.com/cves/CVE-2021-38300

Release Date: 2021-09-20

Fix Resolution: v4.14.251,v4.19.211,v5.4.153,v5.10.71,v5.14.10,v5.15-rc4

---

Step up your Open Source Security Game with Mend here

[mend-bolt-for-github[bot]]

:heavy_check_mark: This issue was automatically closed by Mend because the vulnerable library in the specific branch(es) was either marked as ignored or it is no longer part of the Mend inventory.