CVE-2026-74530

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hci_sync: hold conn in hci_connect_big_sync() callback There is theoretical UAF if the conn is freed while the hci_sync task is running. Hold refcount to avoid that. Handle NULL hcon, return 0 + do nothing to match the previous behavior.

Package Linux Kernel
Published 2026-08-15
Last modified 2026-08-15
Patch available
Yes

Affected versions

Linux kernel versions 6.12.28, 6.14.6, 6.15 and later are affected. Fixed in 7.1.8, 7.2-rc6 and their respective stable series.

Affected from
≥ 6.12.28 ≥ 6.14.6 ≥ 6.15
Fixed in
✓ 7.1.8 7.1.x ✓ 7.2-rc6

References

2 total

Frequently asked questions

  • What is CVE-2026-74530?

    CVE-2026-74530 is a unscored severity Linux kernel vulnerability . It affects Linux kernel versions from 6.12.28 onward and has been patched in 7.1.8 and 7.2-rc6. CVE-2026-74530 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

  • Is there a patch available for CVE-2026-74530?

    Yes. CVE-2026-74530 has been patched. Fixed versions include 7.1.8 and 7.2-rc6. If you are running Linux kernel 6.12.28 or later up to the fix versions, apply the relevant patch for your kernel branch.

  • Is CVE-2026-74530 actively exploited?

    No. CVE-2026-74530 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

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