dmaengine: stm32: dmamux: fix device leak on route allocation
In the Linux kernel, the following vulnerability has been resolved: dmaengine: stm32: dmamux: fix device leak on route allocation Make sure to drop the reference taken when looking up the DMA mux platform device during route allocation. Note that holding a reference to a device does not prevent its driver data from going away so there is no point in keeping the reference.
CVE-2025-71186
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-2025-71186
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": [
{
"status": "affected",
"version": "df7e762db5f6c8dbd9e480f1c9ef9851de346657",
"lessThan": "3b42020e6790a5e19b36c187ed5b488a5716f97f",
"versionType": "git"
},
{
"status": "affected",
"version": "df7e762db5f6c8dbd9e480f1c9ef9851de346657",
"lessThan": "6393da54dcb3488c080a183c4182ddec71ba8d7f",
"versionType": "git"
},
{
"status": "affected",
"version": "df7e762db5f6c8dbd9e480f1c9ef9851de346657",
"lessThan": "1dda2a32303df0091896b01a9d09070d61fa344c",
"versionType": "git"
},
{
"status": "affected",
"version": "df7e762db5f6c8dbd9e480f1c9ef9851de346657",
"lessThan": "1a179ac01ff3993ab97e33cc77c316ed7415cda1",
"versionType": "git"
},
{
"status": "affected",
"version": "df7e762db5f6c8dbd9e480f1c9ef9851de346657",
"lessThan": "2fb10259d4efb4367787b5ae9c94192e8a91c648",
"versionType": "git"
},
{
"status": "affected",
"version": "df7e762db5f6c8dbd9e480f1c9ef9851de346657",
"lessThan": "3ef52d31cce8ba816739085a61efe07b63c6cf27",
"versionType": "git"
},
{
"status": "affected",
"version": "df7e762db5f6c8dbd9e480f1c9ef9851de346657",
"lessThan": "dd6e4943889fb354efa3f700e42739da9bddb6ef",
"versionType": "git"
}
],
"programFiles": [
"drivers/dma/stm32/stm32-dmamux.c"
],
"defaultStatus": "unaffected"
},
{
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"product": "Linux",
"versions": [
{
"status": "affected",
"version": "4.15"
},
{
"status": "unaffected",
"version": "0",
"lessThan": "4.15",
"versionType": "semver"
},
{
"status": "unaffected",
"version": "5.10.249",
"versionType": "semver",
"lessThanOrEqual": "5.10.*"
},
{
"status": "unaffected",
"version": "5.15.199",
"versionType": "semver",
"lessThanOrEqual": "5.15.*"
},
{
"status": "unaffected",
"version": "6.1.162",
"versionType": "semver",
"lessThanOrEqual": "6.1.*"
},
{
"status": "unaffected",
"version": "6.6.122",
"versionType": "semver",
"lessThanOrEqual": "6.6.*"
},
{
"status": "unaffected",
"version": "6.12.67",
"versionType": "semver",
"lessThanOrEqual": "6.12.*"
},
{
"status": "unaffected",
"version": "6.18.7",
"versionType": "semver",
"lessThanOrEqual": "6.18.*"
},
{
"status": "unaffected",
"version": "6.19",
"versionType": "original_commit_for_fix",
"lessThanOrEqual": "*"
}
],
"programFiles": [
"drivers/dma/stm32/stm32-dmamux.c"
],
"defaultStatus": "affected"
}
]- Related CVEs
- CVE-2025-71186
Source reference:
/cveMetadata/cveId
Publisher severity
No explicit severity was provided.
- Event
- #27146 · Revision 1
- Added to Heist Feed
- Publisher date