CVE-2024-47728
CSIRTS triage
- What
- Zero initialization of former ARG_PTR_TO_LONGINT arguments is missing in the eBPF verifier on error paths, potentially exposing uninitialized memory.
- Who is affected
- Systems with eBPF programs using ARG_PTR_TO_LONGINT arguments.
- Urgency
- Medium priority; not currently exploited but represents a memory safety issue that could be leveraged.
- Action
- Update to a patched Linux kernel version that includes the ARG_PTR_TO_LONGINT initialization fix.
AI-assisted analysis generated from the source advisory — verify against the original.
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Exploitation outlook
- Low exploitation risk0.24% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 15% of all EPSS-scored CVEs.
Advisory coverage (1)
- mediumCVE-2024-47728: bpf: Zero former ARG_PTR_TO_{LONGINT} args in case of errormsrc · 2026-08-06
External references
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[](https://www.csirts.com/cve/CVE-2024-47728)