wifi: iwlwifi: guard against division by zero in iwl_dbg_tlv_alloc_fragments
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: guard against division by zero in iwl_dbg_tlv_alloc_fragments Make sure we don't end-up with a num_frags = 0 situation. For that, check that the required size is not 0 and put a checker on num_frags as well.
Why it matters now
EPSS 0.00211 11th percentileScored 2026-11-07
Fix Partial Linux (Linux): 6.1.191, 6.6.157, 6.12.110 +3Red 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 6.1.191, 6.6.157, 6.12.110, 6.18.52, 7.2.6, 7.3
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-2026-93062
- 2026-10-03 Alias added: GHSA-x74j-6wvr-gpx3
- 2026-10-19 Fix available: Linux/[email protected] · CNA
- 2026-10-20 Affected versions changed · Red Hat
- 2026-10-20 CVSS score added · Red Hat
- 2026-10-30 Fix available: Linux/[email protected], Linux/Linux@897097eec925fbecdb1f8698b9e7bacb501a5b64 · CNA
- 2026-10-30 1 new reference · CNA
- 2026-11-07 Affected versions changed · Red Hat
References
Other 6
- https://git.kernel.org/stable/c/897097eec925fbecdb1f8698b9e7bacb501a5b64
- https://git.kernel.org/stable/c/11dde137f1258004bd1ed76ea2480a641e1fb753
- https://git.kernel.org/stable/c/6df26657c626b63b5a47026128cc021f66722a41
- https://git.kernel.org/stable/c/f26f72c2448829701d7c3e840fac9d168a98a955
- https://git.kernel.org/stable/c/bc7a7ad93070879c74cdcb107ebb1a02ec212712
- https://git.kernel.org/stable/c/9318bc0c41b24705690cf80d1596cf6b711e7027
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- TI-2013-05264 The (1) get_user and (2) put_user API functions in the Linux kernel before 3.5.5 on the… KEVCVSS 3.1HIGH 8.8
- 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-2026-93062 · CVE Program
- CVE-2026-93062 · NVD
- FIRST EPSS
- GHSA-x74j-6wvr-gpx3 · GitHub Advisory Database · CC BY 4.0
- CVE-2026-93062 · Red Hat security data · CC BY 4.0
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