CVE-2023-2163

Incorrect Verifier Branch Pruning Logic Leads To Arbitrary Read/Write In Linux Kernel and Lateral Privilege Escalation

State
Published
Severity
10.0 Critical
Published
Sep 20, 2023
Updated
Feb 27, 2025
Reserved
Apr 18, 2023

Read the record on cve.org

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.

Scores

CVSSScoreVectorSource
3.110.0 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:NGoogle

Weaknesses

Affected Products

ProductVersions
Linux KernelLinux
  • before 5.4Not affected
  • before 71b547f561247897a0a14f3082730156c0533fedAffected

References

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