md/raid10: fix writes_pending leak on write request failures
In the Linux kernel, the following vulnerability has been resolved: md/raid10: fix writes_pending leak on write request failures raid10_make_request() acquires a writes_pending reference with md_write_start() before dispatching write requests. Several failure paths in raid10_write_request() complete the bio and return without reaching the normal write completion path, causing the corresponding md_write_end() to be skipped. Make raid10_write_request() return a status indicating whether the write request was successfully queued. This allows raid10_make_request() to release the writes_pending reference with md_write_end() when a write request fails.
CVE-2026-72439
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-2026-72439
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": "c9aa889b035fca4598ae985a0f0c76ebbb547ad2",
"lessThan": "f076460c5205c9687059e5a3afeed37d2f2ceb6b",
"versionType": "git"
},
{
"status": "affected",
"version": "c9aa889b035fca4598ae985a0f0c76ebbb547ad2",
"lessThan": "b6667d925c274910423385042edf18f6788dbceb",
"versionType": "git"
},
{
"status": "affected",
"version": "c9aa889b035fca4598ae985a0f0c76ebbb547ad2",
"lessThan": "c642583adc136d4c70ce3c65c3f43e847d26c776",
"versionType": "git"
},
{
"status": "affected",
"version": "c9aa889b035fca4598ae985a0f0c76ebbb547ad2",
"lessThan": "f94031c94eaebe14a7c9e91720064de0c5a54a6c",
"versionType": "git"
},
{
"status": "affected",
"version": "c9aa889b035fca4598ae985a0f0c76ebbb547ad2",
"lessThan": "e045d6ed33f8faa3e3dd6dc33c62ec01e3ad275d",
"versionType": "git"
},
{
"status": "affected",
"version": "39db562b3fedb93978a7e42dd216b306740959f8",
"versionType": "git"
},
{
"status": "affected",
"version": "5.15.111",
"lessThan": "5.16",
"versionType": "semver"
}
],
"programFiles": [
"drivers/md/raid10.c"
],
"defaultStatus": "unaffected"
},
{
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"product": "Linux",
"versions": [
{
"status": "affected",
"version": "5.17"
},
{
"status": "unaffected",
"version": "0",
"lessThan": "5.17",
"versionType": "semver"
},
{
"status": "unaffected",
"version": "6.6.160",
"versionType": "semver",
"lessThanOrEqual": "6.6.*"
},
{
"status": "unaffected",
"version": "6.12.114",
"versionType": "semver",
"lessThanOrEqual": "6.12.*"
},
{
"status": "unaffected",
"version": "6.18.57",
"versionType": "semver",
"lessThanOrEqual": "6.18.*"
},
{
"status": "unaffected",
"version": "7.1.5",
"versionType": "semver",
"lessThanOrEqual": "7.1.*"
},
{
"status": "unaffected",
"version": "7.2",
"versionType": "original_commit_for_fix",
"lessThanOrEqual": "*"
}
],
"programFiles": [
"drivers/md/raid10.c"
],
"defaultStatus": "affected"
}
]- Related CVEs
- CVE-2026-72439
Source reference:
/cveMetadata/cveId
Publisher severity
No explicit severity was provided.
- Event
- #46522 · Revision 1
- Added to Heist Feed
- Publisher date