Incorrect verifier pruning in BPF in Linux Kernel >=5.4 leads to unsafe
code paths being incorrectly marked as safe, resulting in arbitrary read/write in
kernel memory, lateral privilege escalation, and container escape.
: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.
CVE-2023-2163 - High Severity Vulnerability
Vulnerable Library - linuxlinux-4.19.269
The Linux Kernel
Library home page: https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/?wsslib=linux
Found in base branch: master
Vulnerable Source Files (1)
Vulnerability Details
Incorrect verifier pruning in BPF in Linux Kernel >=5.4 leads to unsafe code paths being incorrectly marked as safe, resulting in arbitrary read/write in kernel memory, lateral privilege escalation, and container escape.
Publish Date: 2023-09-20
URL: CVE-2023-2163
CVSS 3 Score Details (8.8)
Base Score Metrics: - Exploitability Metrics: - Attack Vector: Local - Attack Complexity: Low - Privileges Required: Low - User Interaction: None - Scope: Changed - 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-2023-2163
Release Date: 2023-04-18
Fix Resolution: v5.4.242,v5.10.179,v5.15.109,v6.1.26,v6.2.13,v6.3,v6.3
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