PT-2026-61291 · Linux+1 · Linux Kernel+1

CVE-2026-63974

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Published

2026-07-19

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Updated

2026-09-07

CVSS v3.1

8.8

High

VectorAV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Name of the Vulnerable Software and Affected Versions Linux kernel (affected versions not specified)
Description An issue exists in the Bluetooth component where hci dev close sync() can be called during the reset path. Failure to set HCI CMD DRAIN WORKQUEUE during device close can lead to the queuing of timeouts while the hdev workqueue is being drained.
Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

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Related Identifiers

AZL-92823
CVE-2026-63974
OESA-2026-3204
OPENSUSE-SU-2026:21555-1
SUSE-SU-2026:23066-1
SUSE-SU-2026:23068-1
SUSE-SU-2026:23193-1
SUSE-SU-2026:23194-1
SUSE-SU-2026:23221-1
SUSE-SU-2026:23231-1
SUSE-SU-2026:23237-1
SUSE-SU-2026:23241-1
SUSE-SU-2026:23244-1
SUSE-SU-2026:3790-1
SUSE-SU-2026:3810-1
USN-8593-1
USN-8603-1
USN-8618-1
USN-8663-1
USN-8664-1
USN-8728-1

Affected Products

Linux Kernel
Ubuntu