Vulnerability Intelligence Report
Incorrect Verifier Branch Pruning Logic Leads To Arbitrary Read/Write In Linux Kernel and Lateral Privilege Escalation
CVE-2023-2163
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.
No Active Exploit Signals
CVSS Base Score
10.0
CRITICAL
Exploitability:3.9
Impact Score:5.8
EPSS Probability:3.55%
Executive Threat Verdict
Evaluating...
Evaluating Threat Landscape...
Assessing known weaponization, exploitation telemetry, and federal advisories.
Attack Surface
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Authentication
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Weaponization
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SSVC Action
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Weaknesses (CWE)
CWE-682 ↗CWE-682 Incorrect Calculation
Affected Products & Versions
| Vendor | Product | Affected Versions |
|---|---|---|
| Linux | Linux Kernel | 0 < 5.4 (unaffected), 0 < 71b547f561247897a0a14f3082730156c0533fed (affected) |
Threat Intelligence Signals
EPSS Score
3.546%
Identity & Timeline
| Status | PUBLISHED |
| Assigning Authority | Google LLC · Vendor · USA |
| Reserved | 2023-04-18T18:22:35 |
| Published | 2023-09-20T05:02:38 |
| Last Updated | 2025-02-27T20:49:30 |
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