Vulnerability · NVD published 2023-09-20
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.
- First PoC
- 689 days →First cited attacker
Signals
- Exploited in the wild
- Not on KEVNot in CISA's catalogue as of the last daily pull. Absence is not proof of safety.
- EPSS · 30-day forecast
- 4%Chance of exploitation in the next 30 days, 89th percentile of all CVEs. A forecast; KEV outranks it.
- CVSS · NVD · CRITICAL
- 10.0CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N
- Internet exposure
- not stated by sourcesNo exposure census on this CVE's dispatches.
Exploits
1 known · links onlyGitHub PoCs · by trust, then stars1
- letsr00t/CVE-2023-2163 ↗Trust ok 100
★ 1 · created 2024-11-27
Fake proof-of-concept repositories have been used to deliver malware to the researchers who run them. The trust verdict is our engine's heuristic over the repository (account age, what it ships, how its stars arrived); it is a reason to read the code first, not a finding about its author.
On the wire
0 dispatchesNo dispatch on our wire has named this CVE yet.
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