CVE-2025-23151: debian linux — Fix

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]

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CVSS v3.1 Score

4.7

MEDIUM

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H

Weakness Type (CWE)

CWE-362 CWE-362

Affected Products

Vendor	Product	Versions
linux	linux_kernel	5.15.149 — 5.15.181
linux	linux_kernel	6.1.76 — 6.1.135
linux	linux_kernel	6.6.15 — 6.6.88
linux	linux_kernel	6.7.3 — 6.12.24
linux	linux_kernel	6.13 — 6.13.12
linux	linux_kernel	6.14 — 6.14.3
debian	debian_linux	All

References

Advisories & Patches

https://git.kernel.org/stable/c/0686a818d77a431fc3ba2fab4b46bbb04e8c9380 https://git.kernel.org/stable/c/178e5657c8fd285125cc6743a81b513bce099760 https://git.kernel.org/stable/c/3e7ecf181cbdde9753204ada3883ca1704d8702b https://git.kernel.org/stable/c/5f084993c90d9d0b4a52a349ede5120f992a7ca1 https://git.kernel.org/stable/c/899d0353ea69681f474b6bc9de32c663b89672da https://git.kernel.org/stable/c/a77955f7704b2a00385e232cbcc1cb06b5c7a425 https://git.kernel.org/stable/c/ee1fce83ed56450087309b9b74ad9bcb2b010fa6

Other References

https://lists.debian.org/debian-lts-announce/2025/05/msg00045.html

Frequently Asked Questions

What is CVE-2025-23151? +

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] It has a CVSS v3.1 base score of 4.7 (MEDIUM).

How severe is CVE-2025-23151? +

CVE-2025-23151 has a CVSS v3.1 score of 4.7 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2025-23151? +

CVE-2025-23151 affects products from debian, linux, specifically: debian_linux, linux_kernel. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-23151? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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