i40e: fix idx validation in i40e_validate_queue_map
Priority LOW 39Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Partial Red Hat: 4 without a fix
Attack profile from CVSS 3.1 · CNA. Fix status from CNA and Red Hat.
Summary
In the Linux kernel, the following vulnerability has been resolved: i40e: fix idx validation in i40e_validate_queue_map Ensure idx is within range of active/initialized TCs when iterating over vf->ch[idx] in i40e_validate_queue_map().
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00158 4th percentileScored 2026-11-07
Fix Partial Linux (Linux): 5.4.300, 5.10.245, 5.15.194 +5Red Hat: 4 without a fix
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Total
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 |
|---|---|---|---|---|---|
| Linux | Linux | 4.17 and later | 5.4.300, 5.10.245, 5.15.194, 6.1.155, 6.6.109, 6.12.50, 6.16.10, 6.17 | Patch available | CNA |
- Linux VendorLinux Affected 4.17 and later Fixed in 5.4.300, 5.10.245, 5.15.194, 6.1.155, 6.6.109, 6.12.50, 6.16.10, 6.17 Patch available CNA
Remediation
- Fix · CNA Linux (Linux) Fixed in 5.4.300, 5.10.245, 5.15.194, 6.1.155, 6.6.109, 6.12.50, 6.16.10, 6.17
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux 10 | Affected | No fix yet: Fix deferred |
| Red Hat Enterprise Linux 7 | Affected | No fix yet: Fix deferred |
| Red Hat Enterprise Linux 8 | Affected | No fix yet: Fix deferred |
| Red Hat Enterprise Linux 9 | Affected | No fix yet: Fix deferred |
Not affected: 1 product
- Red Hat Enterprise Linux 6
Timeline
- 2026-10-02 Threatist record created from CVE-2025-39972
- 2026-10-03 Alias added: GHSA-wv8w-q5xg-xq4v
- 2026-10-16 CISA SSVC decision points changed
References
Other 8
- https://git.kernel.org/stable/c/b6cb93a7ff208f324c7ec581d72995f80e115e0e
- https://git.kernel.org/stable/c/6f15a7b34fae75e745bdc2ec05e06ddfd0dd2f3c
- https://git.kernel.org/stable/c/34dfac0c904829967d500c51f216916ce1452957
- https://git.kernel.org/stable/c/4d5e804a9e19b639b18fd13664dbad3c03c79e61
- https://git.kernel.org/stable/c/50a1e2f50f6c22b93b94eb8d168a1be3c05bf5cd
- https://git.kernel.org/stable/c/cc4191e8ef40d2249c1b9a8617d22ec8a976b574
- https://git.kernel.org/stable/c/d4e3eaaa3cb3af77836d806c89cd6ebf533a7320
- https://git.kernel.org/stable/c/aa68d3c3ac8d1dcec40d52ae27e39f6d32207009
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Sources
- CVE-2025-39972 · CVE Program
- CVE-2025-39972 · NVD
- FIRST EPSS
- GHSA-wv8w-q5xg-xq4v · GitHub Advisory Database · CC BY 4.0
- CVE-2025-39972 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences