CVE-2021-38300 (High) detected in kernelv4.19.76

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

CVE-2021-38300 - High Severity Vulnerability

Vulnerable Library - kernelv4.19.76

Our patched kernel sources. This repository is generated from https://github.com/openSUSE/kernel-source

Library home page: https://github.com/openSUSE/kernel.git

Found in HEAD commit: 4a5823a588471162126abafa79773b2570697c6d

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

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[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.

[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.

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

:information_source: This issue was automatically re-opened by Mend because the vulnerable library in the specific branch(es) has been detected in the Mend inventory.