CVE-2023-2163criticalobserved exploitationCWE-682

CVE-2023-2163: critical vulnerability in Linux Kernel

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

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70Vexday Risk Score

Prioritize patching. It exploitation observed by VulnCheck and has a public proof of concept.

ssvc Actcvss 10epss 3.6%
from disclosure to weapon434 days
Published on NVDSep 20
1st PoC+434d
VulnCheck+714d
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.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N
Affected products
Linux · Linux Kernel
⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.
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