CVE-2023-2163
CriticalPublished
Incorrect Verifier Branch Pruning Logic Leads To Arbitrary Read/Write In Linux Kernel and Lateral Privilege Escalation
- Published
- Sep 20, 2023
- Updated
- Feb 27, 2025
- Assigning CNA
- Evidence observed
- Aug 8, 2026
Primary CVSS
10.0/ 10Critical
nvd · CVSS 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N3.6%
Low · next 30 days
- Percentile
- 89.4%
- Model date
- Oct 15, 2026
EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.
Summary
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.
Sources
- CVE-2023-2163Exploit
Responsible use
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