GHSA-53C5-74PX-FWCH
Vulnerability from github – Published: 2025-05-01 15:31 – Updated: 2025-11-05 18:14In 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]
{
"affected": [],
"aliases": [
"CVE-2025-23151"
],
"database_specific": {
"cwe_ids": [
"CWE-362"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2025-05-01T13:15:51Z",
"severity": "MODERATE"
},
"details": "In the Linux kernel, the following vulnerability has been resolved:\n\nbus: mhi: host: Fix race between unprepare and queue_buf\n\nA client driver may use mhi_unprepare_from_transfer() to quiesce\nincoming data during the client driver\u0027s tear down. The client driver\nmight also be processing data at the same time, resulting in a call to\nmhi_queue_buf() which will invoke mhi_gen_tre(). If mhi_gen_tre() runs\nafter mhi_unprepare_from_transfer() has torn down the channel, a panic\nwill occur due to an invalid dereference leading to a page fault.\n\nThis occurs because mhi_gen_tre() does not verify the channel state\nafter locking it. Fix this by having mhi_gen_tre() confirm the channel\nstate is valid, or return error to avoid accessing deinitialized data.\n\n[mani: added stable tag]",
"id": "GHSA-53c5-74px-fwch",
"modified": "2025-11-05T18:14:25Z",
"published": "2025-05-01T15:31:40Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2025-23151"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/0686a818d77a431fc3ba2fab4b46bbb04e8c9380"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/178e5657c8fd285125cc6743a81b513bce099760"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/3e7ecf181cbdde9753204ada3883ca1704d8702b"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/5f084993c90d9d0b4a52a349ede5120f992a7ca1"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/899d0353ea69681f474b6bc9de32c663b89672da"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/a77955f7704b2a00385e232cbcc1cb06b5c7a425"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/ee1fce83ed56450087309b9b74ad9bcb2b010fa6"
},
{
"type": "WEB",
"url": "https://lists.debian.org/debian-lts-announce/2025/05/msg00045.html"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
}
]
}
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