SB20260924122 - Deadlock in Linux kernel usb core driver

Description

This security bulletin contains information about 1 vulnerability.

1) Deadlock (CVE-ID: CVE-2026-97483)

CWE-ID: CWE-833 - Deadlock

CVSSv4: 5.7 [CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]

The vulnerability allows a local user to cause a denial of service.

The vulnerability exists due to improper handling of memory allocation flags in USB core root hub control transfer handling when processing root hub control transfers during device-reset handling. A local user can trigger device-reset handling that submits a root hub control transfer to cause a denial of service.

The condition occurs in SCSI error-handler paths involving UAS or the storage driver.

Remediation

Install update from vendor's website.

References

• https://git.kernel.org/stable/c/549672a3fb6b36ea408238f89ecf9f41d2da6225
• https://git.kernel.org/stable/c/d5559f43d76b398392b26a15cbc16d731969cd1c
• https://git.kernel.org/stable/c/fff917c85d37a294397c5440a795591ca9d6b602