What is CVE-2026-74528?

CVE-2026-74528 is a unscored severity Linux kernel vulnerability, affecting Linux kernel versions from 6.19 onward and patched in 7.1.8 and 7.2-rc6. CVE-2026-74528 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2026-74528?

CVE-2026-74528 has a CVSS score of pending NVD analysis out of 10, rated awaiting scoring severity.

Is there a patch available for CVE-2026-74528?

Yes, CVE-2026-74528 has been patched. Fixed versions include 7.1.8 and 7.2-rc6. If you are running Linux kernel 6.19 or later up to the fix versions, apply the relevant patch for your kernel branch.

Is CVE-2026-74528 actively exploited?

CVE-2026-74528 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

CVE-2026-74528

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hci_sync: hold conn in hci_past_sync() callback Avoids giving freed pointers to hci_conn_valid(), which kmalloc may have reused. Hold refcount to avoid that.

Package Linux Kernel

Published 2026-08-15

Last modified 2026-08-15

Patch available

Yes

Affected versions

Linux kernel versions 6.19 and later are affected. Fixed in 7.1.8, 7.2-rc6 and their respective stable series.

Affected from

≥ 6.19

Fixed in

✓ 7.1.8 7.1.x ✓ 7.2-rc6

References

2 total

Frequently asked questions

What is CVE-2026-74528?

CVE-2026-74528 is a unscored severity Linux kernel vulnerability . It affects Linux kernel versions from 6.19 onward and has been patched in 7.1.8 and 7.2-rc6. CVE-2026-74528 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
Is there a patch available for CVE-2026-74528?

Yes. CVE-2026-74528 has been patched. Fixed versions include 7.1.8 and 7.2-rc6. If you are running Linux kernel 6.19 or later up to the fix versions, apply the relevant patch for your kernel branch.
Is CVE-2026-74528 actively exploited?

No. CVE-2026-74528 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.