CVE-2022-50809

xhci: dbc: Fix memory leak in xhci_alloc_dbc()

State: Published
Severity: Not scored
Published: Dec 30, 2025
Updated: May 23, 2026
Reserved: Dec 30, 2025

Description

In the Linux kernel, the following vulnerability has been resolved:

xhci: dbc: Fix memory leak in xhci_alloc_dbc()

If DbC is already in use, then the allocated memory for the xhci_dbc struct doesn't get freed before returning NULL, which leads to a memleak.

Scores

The record has no CVSS score.

Weaknesses

The record names no weakness.

Affected Products

Product	Versions
LinuxLinux	d7afb4a13f6c6ee7df7d0bfc67b4ef19ece6d802 to before 103b459590e1eb4d80b02761eb36c7cae1d9b58eAffected 534675942e901959b5d8dc11ea526c4e48817d8e to before 116d6a6964986ea7eb516daa36128d270f1f248dAffected 534675942e901959b5d8dc11ea526c4e48817d8e to before 69e67c804d09a6b1bcda1f4f242f151f813eeb4aAffected 534675942e901959b5d8dc11ea526c4e48817d8e to before d591b32e519603524a35b172156db71df9116902Affected 5.15.58 to before 5.15.75Affected
LinuxLinux	5.18Affected before 5.18Not affected 5.15.75 through 5.15.Not affected 5.19.17 through 5.19.Not affected 6.0.3 through 6.0.*Not affected 6.1 and laterNot affected

Product

Versions

LinuxLinux

d7afb4a13f6c6ee7df7d0bfc67b4ef19ece6d802 to before 103b459590e1eb4d80b02761eb36c7cae1d9b58eAffected
534675942e901959b5d8dc11ea526c4e48817d8e to before 116d6a6964986ea7eb516daa36128d270f1f248dAffected
534675942e901959b5d8dc11ea526c4e48817d8e to before 69e67c804d09a6b1bcda1f4f242f151f813eeb4aAffected
534675942e901959b5d8dc11ea526c4e48817d8e to before d591b32e519603524a35b172156db71df9116902Affected
5.15.58 to before 5.15.75Affected

LinuxLinux

5.18Affected
before 5.18Not affected
5.15.75 through 5.15.*Not affected
5.19.17 through 5.19.*Not affected
6.0.3 through 6.0.*Not affected
6.1 and laterNot affected

References

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