Vulnerability in Linux Kernel
CVE-2023-2163
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.
EPSS: 0.002 (42.0th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 10.0 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N.
Affected products
- Linux Kernel — versions 0
Weakness classification (CWE)
Public proof-of-concept exploits
References
Frequently asked questions
- What is CVE-2023-2163?
- CVE-2023-2163 is a critical-severity vulnerability in Linux Kernel, classified under Incorrect Calculation. CVSS score: 10.0/10. Published 2023-09-20.
- How severe is CVE-2023-2163?
- Critical severity. CVSS v3 base score is 10.0 out of 10.
- Is CVE-2023-2163 known to be exploited?
- 17 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.