Buffer Overflow vulnerability in libbpf 1.5.0 allows a local attacker to execute…
Priority MEDIUM 61CWE-120Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-120 and the CVSS impact.
Summary
Buffer Overflow vulnerability in libbpf 1.5.0 allows a local attacker to execute arbitrary code via the bpf_object__init_prog` function of libbpf. This has been disputed by third parties who assert that "no one in their sane mind should be passing untrusted ELF files into libbpf while running under root."
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00239 15th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:libbpf_project:libbpf:1.5.0:*:*:*:*:*:*:* | 1.5.0 | Vulnerable | Libbpf Project |
- cpe:2.3:a:libbpf_project:libbpf:1.5.0:*:*:*:*:*:*:* Versions 1.5.0 Vulnerable ·Libbpf Project
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
Not affected: 4 products
- Red Hat Enterprise Linux 10
- Red Hat Enterprise Linux 8
- Red Hat Enterprise Linux 9
- Red Hat OpenShift Container Platform 4
Timeline
- 2026-10-02 Threatist record created from CVE-2025-29481
- 2026-10-03 Alias added: GHSA-3ch3-mpx2-hj74
References
More Libbpf Project Libbpf vulnerabilities
- TI-2021-20945 libbpf 0.6.0 and 0.6.1 has a heap-based buffer overflow (8 bytes) in __bpf_object__open… CVSS 3.1MEDIUM 6.5
- TI-2021-20944 libbpf 0.6.0 and 0.6.1 has a heap-based buffer overflow (4 bytes) in __bpf_object__open… CVSS 3.1MEDIUM 6.5
Sources
- CVE-2025-29481 · CVE Program
- CVE-2025-29481 · NVD
- FIRST EPSS
- GHSA-3ch3-mpx2-hj74 · GitHub Advisory Database · CC BY 4.0
- CVE-2025-29481 · Red Hat security data · CC BY 4.0
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