Medium [CVE-2026-80944] Linux kernel mwifiex Wi-Fi driver: Denial of Service due to memory corruption
This medium-severity Red Hat Linux advisory covers CVE-2026-80944.
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Summary
A flaw was found in the Linux kernel's mwifiex Wi-Fi driver. When a synchronous command's wait operation is interrupted, the driver can attempt to write data to a memory location that has already been released.
This memory corruption can lead to a system crash (kernel panic), resulting in a Denial of Service (DoS). Red Hat severity: Important — CVSS 5.3 (CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H).
Weakness: CWE-787.
Affected versions
No affected-version range was extracted from the source record. The vendor advisory is authoritative — check it before change work.
Official advisory · medium-confidence parse· fetched 12 minutes ago·verify at source
Fixed versions
No fixed release is recorded yet. That does not prove no patch exists — confirm against the vendor advisory.
Official advisory · medium-confidence parse· fetched 12 minutes ago·verify at source
Mitigation
The source record does not include mitigation steps. That is not a statement that no fix exists — read the vendor advisory below for the authoritative guidance.
Official advisory · medium-confidence parse· fetched 12 minutes ago·verify at source
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