vulnerability
Red Hat: CVE-2023-2163: kernel: bpf: Incorrect verifier pruning leads to unsafe code paths being incorrectly marked as safe (Multiple Advisories)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 7 | (AV:L/AC:L/Au:M/C:C/I:C/A:C) | Sep 20, 2023 | Nov 29, 2023 | Mar 27, 2026 |
Severity
7
CVSS
(AV:L/AC:L/Au:M/C:C/I:C/A:C)
Published
Sep 20, 2023
Added
Nov 29, 2023
Modified
Mar 27, 2026
Description
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.
Solutions
redhat-upgrade-kernelredhat-upgrade-kernel-rt
References
Rapid7 Labs
2026 Global Threat Landscape Report
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