CVE-2026-74341
In the Linux kernel, the following vulnerability has been resolved: wifi: wcn36xx: fix heap overflow from oversized firmware HAL response The firmware response dispatcher copies all synchronous HAL responses into the 4096-byte hal_buf without validating the response length. A response exceeding WCN36XX_HAL_BUF_SIZE causes a heap buffer overflow with firmware-controlled content. Add a bounds check on the response length.
Affected versions
Linux kernel versions
3.13
and later are affected. Fixed in
6.1.178,
6.6.145,
6.12.97,
6.18.40,
7.1.5,
7.2-rc1
and their respective stable series.
References
6 totalFrequently asked questions
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What is CVE-2026-74341?
CVE-2026-74341 is a unscored severity Linux kernel vulnerability . It affects Linux kernel versions from 3.13 onward and has been patched in 6.1.178, 6.6.145, 6.12.97 and others. CVE-2026-74341 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
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Is there a patch available for CVE-2026-74341?
Yes. CVE-2026-74341 has been patched. Fixed versions include 6.1.178, 6.6.145, 6.12.97 and others. If you are running Linux kernel 3.13 or later up to the fix versions, apply the relevant patch for your kernel branch.
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Is CVE-2026-74341 actively exploited?
No. CVE-2026-74341 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.