vulnerability

VMware Photon OS: CVE-2025-23151

Severity
4
CVSS
(AV:L/AC:M/Au:S/C:N/I:N/A:C)
Published
May 1, 2025
Added
Oct 17, 2025
Modified
Oct 23, 2025

Description

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

bus: mhi: host: Fix race between unprepare and queue_buf

A client driver may use mhi_unprepare_from_transfer() to quiesce
incoming data during the client driver's tear down. The client driver
might also be processing data at the same time, resulting in a call to
mhi_queue_buf() which will invoke mhi_gen_tre(). If mhi_gen_tre() runs
after mhi_unprepare_from_transfer() has torn down the channel, a panic
will occur due to an invalid dereference leading to a page fault.

This occurs because mhi_gen_tre() does not verify the channel state
after locking it. Fix this by having mhi_gen_tre() confirm the channel
state is valid, or return error to avoid accessing deinitialized data.

[mani: added stable tag]

Solution

vmware-photon_os_update_tdnf
Title
NEW

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