wifi: iwlwifi: acpi: validate WGDS table revision index
Priority LOW 22Published · Updated
Key facts
- Attack vector
- —
- Privileges required
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- User interaction
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- Attack complexity
- —
- Impact type
- —
- Confidentiality · integrity · availability
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- Fix status
- Partial Red Hat: 5 without a fix
No CVSS vector from any source. Fix status from CNA and Red Hat.
Summary
In the Linux kernel, the following vulnerability has been resolved: wifi: iwlwifi: acpi: validate WGDS table revision index Check tbl_rev bounds before BIT(tbl_rev) to avoid undefined shifts when firmware reports an invalid revision value.
Why it matters now
EPSS 0.00168 6th percentileScored 2026-11-07
Fix Partial Linux (Linux): 6.1.189, 6.6.158, 6.12.111 +2Red Hat: 5 without a fix
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
Remediation
- Fix · CNA Linux (Linux) Fixed in 6.1.189, 6.6.158, 6.12.111, 6.18.53, 7.2
Vendor assessments
Red Hat
Red Hat rating: Low. 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 8 | Affected | No fix yet: Fix deferred |
| Red Hat Enterprise Linux 9 | Affected | No fix yet: Fix deferred |
| Red Hat OpenShift Container Platform 4 | Affected | No fix yet: Fix deferred |
| Red Hat OpenShift Container Platform 5 | Affected | No fix yet: Fix deferred |
Not affected: 2 products
- Red Hat Enterprise Linux 6
- Red Hat Enterprise Linux 7
Timeline
- 2026-10-02 Threatist record created from CVE-2026-93788
- 2026-10-03 Alias added: GHSA-8w6g-qccj-392r
- 2026-10-03 Fix available: Linux/Linux@4f2ec7a0b3ff148cb13e14cb26ac43523df8b9f5, Linux/[email protected], Linux/[email protected] +1 · CNA
- 2026-10-03 2 new references · CNA
- 2026-11-07 Affected versions changed · Red Hat
References
Other 5
- https://git.kernel.org/stable/c/4f2ec7a0b3ff148cb13e14cb26ac43523df8b9f5
- https://git.kernel.org/stable/c/9096509e63ddd349eb075ec447d1a714e87e17a4
- https://git.kernel.org/stable/c/2fc98ab6fe8acabd13eb09dc17426a33cf9f27f7
- https://git.kernel.org/stable/c/346a558491241cbe8fef82b3d8f62d1a6b6bf61f
- https://git.kernel.org/stable/c/954e821f42aaca56073ca830c5fd4bcf1a89048c
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- TI-2022-00125 Integer overflow in kernel KEVCVSS 3.1HIGH 8.4
- TI-2013-01864 The perf_swevent_init function in kernel/events/core.c in the Linux kernel before 3.8.9… KEVCVSS 3.1HIGH 8.4
Sources
- CVE-2026-93788 · CVE Program
- CVE-2026-93788 · NVD
- FIRST EPSS
- GHSA-8w6g-qccj-392r · GitHub Advisory Database · CC BY 4.0
- CVE-2026-93788 · Red Hat security data · CC BY 4.0
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