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

Type: advisorySource: Official CVE List1 source record

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]

Announced Source revision 1
Original source ↗

CVE-2025-23151

Primary source · Revision 1

Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.

Security context

Source reference: cve:CVE-2025-23151

Linux

Source reference: /containers/cna/affected/0/product

Affected versions
Not stated in this record
Fixed versions
Not stated in this record
Prerequisites
Not stated in this record

Linux

Source reference: /containers/cna/affected/1/product

Affected versions
Not stated in this record
Fixed versions
Not stated in this record
Prerequisites
Not stated in this record

Structured affected-version data

Original package identities and version rules from this source.

[
  {
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "vendor": "Linux",
    "product": "Linux",
    "versions": [
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        "version": "176ed1727badd2fad2158e2b214dcbc24f4be7a1",
        "lessThan": "899d0353ea69681f474b6bc9de32c663b89672da",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "0b093176fd0967a5f56e2c86b0d48247f6c0fa0f",
        "lessThan": "3e7ecf181cbdde9753204ada3883ca1704d8702b",
        "versionType": "git"
      },
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        "status": "affected",
        "version": "642adb03541673f3897f64bbb62856ffd73807f5",
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      },
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        "status": "affected",
        "version": "5.15.149",
        "lessThan": "5.15.181",
        "versionType": "semver"
      },
      {
        "status": "affected",
        "version": "6.1.76",
        "lessThan": "6.1.135",
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      },
      {
        "status": "affected",
        "version": "6.6.15",
        "lessThan": "6.6.88",
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      },
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        "version": "6.7.3",
        "lessThan": "6.8",
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      }
    ],
    "programFiles": [
      "drivers/bus/mhi/host/main.c"
    ],
    "defaultStatus": "unaffected"
  },
  {
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "vendor": "Linux",
    "product": "Linux",
    "versions": [
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        "status": "affected",
        "version": "6.8"
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        "version": "0",
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        "lessThanOrEqual": "5.15.*"
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      {
        "status": "unaffected",
        "version": "6.1.135",
        "versionType": "semver",
        "lessThanOrEqual": "6.1.*"
      },
      {
        "status": "unaffected",
        "version": "6.6.88",
        "versionType": "semver",
        "lessThanOrEqual": "6.6.*"
      },
      {
        "status": "unaffected",
        "version": "6.12.24",
        "versionType": "semver",
        "lessThanOrEqual": "6.12.*"
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        "version": "6.13.12",
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        "lessThanOrEqual": "6.13.*"
      },
      {
        "status": "unaffected",
        "version": "6.14.3",
        "versionType": "semver",
        "lessThanOrEqual": "6.14.*"
      },
      {
        "status": "unaffected",
        "version": "6.15",
        "versionType": "original_commit_for_fix",
        "lessThanOrEqual": "*"
      }
    ],
    "programFiles": [
      "drivers/bus/mhi/host/main.c"
    ],
    "defaultStatus": "affected"
  }
]
Related CVEs
CVE-2025-23151

Source reference: /cveMetadata/cveId

Publisher severity

high

Source reference: /containers/cna/metrics

Event
#30466 · Revision 1
Added to Heist Feed
Publisher date
Read the original announcement