All errata/p10/ALT-PU-2023-8956-1
ALT-PU-2023-8956-1

Package update kernel-image-std-def in branch p10

Version5.10.172-alt1
Published2023-03-09
Max severityMEDIUM
Severity:

Closed issues (1)

CVE-2023-53551
MEDIUM5.5

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: u_serial: Add null pointer check in gserial_resume Consider a case where gserial_disconnect has already cleared gser->ioport. And if a wakeup interrupt triggers afterwards, gserial_resume gets called, which will lead to accessing of gser->ioport and thus causing null pointer dereference.Add a null pointer check to prevent this. Added a static spinlock to prevent gser->ioport from becoming null after the newly added check.

Published: 2025-10-04Modified: 2026-03-21
CVSS 3.xMEDIUM 5.5
CVSS:3.x/CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H