CVE-2026-74304
In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hci_qca: fix NULL pointer dereference in qca_setup() for non-serdev device hu->serdev is NULL for hci_uart attached via non-serdev paths, but qca_setup() unconditionally calls serdev_device_get_drvdata(hu->serdev) and dereferences the result, causing a NULL pointer dereference. Fix by guarding the dereference with a NULL check, consistent with the rest of qca_setup().
Affected versions
Linux kernel versions
7.0
and later are affected. Fixed in
7.1.5,
7.2
and their respective stable series.
References
3 totalFrequently asked questions
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What is CVE-2026-74304?
CVE-2026-74304 is a unscored severity Linux kernel vulnerability . It affects Linux kernel versions from 7.0 onward and has been patched in 7.1.5 and 7.2. CVE-2026-74304 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-2026-74304?
Yes. CVE-2026-74304 has been patched. Fixed versions include 7.1.5 and 7.2. If you are running Linux kernel 7.0 or later up to the fix versions, apply the relevant patch for your kernel branch.
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Is CVE-2026-74304 actively exploited?
No. CVE-2026-74304 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.