CVE-2022-49962

medium

Description

In the Linux kernel, the following vulnerability has been resolved: xhci: Fix null pointer dereference in remove if xHC has only one roothub The remove path in xhci platform driver tries to remove and put both main and shared hcds even if only a main hcd exists (one roothub) This causes a null pointer dereference in reboot for those controllers. Check that the shared_hcd exists before trying to remove it.

References

https://git.kernel.org/stable/c/7081b2f34ff291ada012bd6abacaf7d51c4cf73f

https://git.kernel.org/stable/c/4a593a62a9e3a25ab4bc37f612e4edec144f7f43

Details

Source: Mitre, NVD

Published: 2025-06-18

Updated: 2025-06-18

Risk Information

CVSS v2

Base Score: 4.6

Vector: CVSS2#AV:L/AC:L/Au:S/C:N/I:N/A:C

Severity: Medium

CVSS v3

Base Score: 5.5

Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Severity: Medium

EPSS

EPSS: 0.00018