Bug 2461543 (CVE-2026-31651) - CVE-2026-31651 kernel: mmc: vub300: fix NULL-deref on disconnect
Summary: CVE-2026-31651 kernel: mmc: vub300: fix NULL-deref on disconnect
Keywords:
Status: NEW
Alias: CVE-2026-31651
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
unspecified
unspecified
Target Milestone: ---
Assignee: Product Security
QA Contact:
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2026-04-24 15:07 UTC by OSIDB Bzimport
Modified: 2026-04-24 21:57 UTC (History)
2 users (show)

Fixed In Version:
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Description OSIDB Bzimport 2026-04-24 15:07:36 UTC 
In the Linux kernel, the following vulnerability has been resolved:

mmc: vub300: fix NULL-deref on disconnect

Make sure to deregister the controller before dropping the reference to
the driver data on disconnect to avoid NULL-pointer dereferences or
use-after-free.
Comment 1 Keith Grant 2026-04-24 21:55:17 UTC 
Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2026042400-CVE-2026-31651-6fe7@gregkh/T
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