Bug 2555047 (CVE-2026-98697) - CVE-2026-98697 kernel: USB: serial: fix dynamic id driver deregistration race
Summary: CVE-2026-98697 kernel: USB: serial: fix dynamic id driver deregistration race
Keywords:
Status: NEW
Alias: CVE-2026-98697
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
low
low
Target Milestone: ---
Assignee: Product Security DevOps Team
QA Contact:
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2026-10-18 15:51 UTC by OSIDB Bzimport
Modified: 2026-10-22 04:49 UTC (History)
17 users (show)

Fixed In Version:
Clone Of:
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Description OSIDB Bzimport 2026-10-18 15:51:28 UTC 
In the Linux kernel, the following vulnerability has been resolved:

USB: serial: fix dynamic id driver deregistration race

Only free the dynamic ids after having deregistered the driver and
removed the "new_id" attribute to avoid leaking any id added by a racing
write to the attribute.
Comment 1 Mauro Matteo Cascella 2026-10-22 04:37:18 UTC 
Upstream advisory:
https://git.kernel.org/pub/scm/linux/security/vulns.git/plain/cve/published/2026/CVE-2026-98697.mbox
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