Cyber Resilience

CVE-2023-2163

Critical

Published: 20 September 2023

Published
20 September 2023
Modified
21 November 2024
KEV Added
—
Patch
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CVSS Score v3.1 10.0 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N
EPSS Score 0.0020 42.0th percentile
Risk Priority 20 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2023-2163 is a critical-severity Incorrect Calculation (CWE-682) vulnerability in Linux Linux Kernel. Its CVSS base score is 10.0 (Critical).

Operationally, ranked at the 42.0th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

EU & UK References

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.

CWE(s)
CWE-682

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

linux
linux kernel
5.3 — 5.4.242 · 5.5 — 5.10.179 · 5.11 — 5.15.109

Mitigating Controls

No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.

References