CVE-2026-93796 Linux kernel iwlwifi - Use After Free

Linux kernel iwlwifi pcie contains a use-after-free vulnerability caused by non-NULL RX pointers after free in iwl_pcie_rx_free, letting attackers cause system instability or crashes, exploit requires triggering TX init failure.

CVSS base score 7.0 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Required
EPSS
0.12% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Use After Free
Impact
Denial Of Service
CVSS vector
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Published
24 September 2026
Updated
15 October 2026

Vendor fix

Update to the latest Linux kernel version containing the fix.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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