Bug 2426182 (CVE-2023-54249)

Summary: CVE-2023-54249 kernel: bus: mhi: ep: Only send -ENOTCONN status if client driver is available
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerabilityAssignee: Product Security DevOps Team <prodsec-dev>
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Version: unspecifiedKeywords: Security
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OS: Linux   
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Description OSIDB Bzimport 2025-12-30 13:14:45 UTC 
In the Linux kernel, the following vulnerability has been resolved:

bus: mhi: ep: Only send -ENOTCONN status if client driver is available

For the STOP and RESET commands, only send the channel disconnect status
-ENOTCONN if client driver is available. Otherwise, it will result in
null pointer dereference.
Comment 1 Alexander B 2025-12-31 03:15:12 UTC 
Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2025123053-CVE-2023-54249-b2c0@gregkh/T