vulnerability

Red Hat: CVE-2023-2163: kernel: bpf: Incorrect verifier pruning leads to unsafe code paths being incorrectly marked as safe (Multiple Advisories)

Severity
7
CVSS
(AV:L/AC:L/Au:M/C:C/I:C/A:C)
Published
Sep 20, 2023
Added
Nov 29, 2023
Modified
Aug 11, 2025

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

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