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Satheesh575555 / linux-4.1.15_CVE-2023-28772

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CVE-2021-46908 (Medium) detected in linuxlinux-4.6 #901

Open mend-bolt-for-github[bot] opened 7 months ago

mend-bolt-for-github[bot] commented 7 months ago

CVE-2021-46908 - Medium Severity Vulnerability

Vulnerable Library - linuxlinux-4.6

The Linux Kernel

Library home page: https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/?wsslib=linux

Found in HEAD commit: 63ac601c421ad3f087ec68a99300cc5058d1cc54

Found in base branch: master

Vulnerable Source Files (2)

/kernel/bpf/verifier.c /kernel/bpf/verifier.c

Vulnerability Details

In the Linux kernel, the following vulnerability has been resolved: bpf: Use correct permission flag for mixed signed bounds arithmetic We forbid adding unknown scalars with mixed signed bounds due to the spectre v1 masking mitigation. Hence this also needs bypass_spec_v1 flag instead of allow_ptr_leaks.

Publish Date: 2024-02-27

URL: CVE-2021-46908

CVSS 3 Score Details (5.5)

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

For more information on CVSS3 Scores, click here.

Suggested Fix

Type: Upgrade version

Origin: https://www.linuxkernelcves.com/cves/CVE-2021-46908

Release Date: 2024-02-27

Fix Resolution: v5.10.32,v5.11.16

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