intel_th: fix device leak on output open()
In the Linux kernel, the following vulnerability has been resolved: intel_th: fix device leak on output open() Make sure to drop the reference taken when looking up the th device during output device open() on errors and on close(). Note that a recent commit fixed the leak in a couple of open() error paths but not all of them, and the reference is still leaking on successful open().
CVE-2026-23091
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-2026-23091
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": "39f4034693b7c7bd1fe4cb58c93259d600f55561",
"lessThan": "af4b9467296b9a16ebc008147238070236982b6d",
"versionType": "git"
},
{
"status": "affected",
"version": "39f4034693b7c7bd1fe4cb58c93259d600f55561",
"lessThan": "64015cbf06e8bb75b81ae95b997e847b55280f7f",
"versionType": "git"
},
{
"status": "affected",
"version": "39f4034693b7c7bd1fe4cb58c93259d600f55561",
"lessThan": "b71e64ef7ff9443835d1333e3e80ab1e49e5209f",
"versionType": "git"
},
{
"status": "affected",
"version": "39f4034693b7c7bd1fe4cb58c93259d600f55561",
"lessThan": "bf7785434b5d05d940d936b78925080950bd54dd",
"versionType": "git"
},
{
"status": "affected",
"version": "39f4034693b7c7bd1fe4cb58c93259d600f55561",
"lessThan": "0fca16c5591534cc1fec8b6181277ee3a3d0f26c",
"versionType": "git"
},
{
"status": "affected",
"version": "39f4034693b7c7bd1fe4cb58c93259d600f55561",
"lessThan": "f9b059bda4276f2bb72cb98ec7875a747f042ea2",
"versionType": "git"
},
{
"status": "affected",
"version": "39f4034693b7c7bd1fe4cb58c93259d600f55561",
"lessThan": "95fc36a234da24bbc5f476f8104a5a15f99ed3e3",
"versionType": "git"
}
],
"programFiles": [
"drivers/hwtracing/intel_th/core.c"
],
"defaultStatus": "unaffected"
},
{
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"product": "Linux",
"versions": [
{
"status": "affected",
"version": "4.4"
},
{
"status": "unaffected",
"version": "0",
"lessThan": "4.4",
"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": "6.12.68",
"versionType": "semver",
"lessThanOrEqual": "6.12.*"
},
{
"status": "unaffected",
"version": "6.18.8",
"versionType": "semver",
"lessThanOrEqual": "6.18.*"
},
{
"status": "unaffected",
"version": "6.19",
"versionType": "original_commit_for_fix",
"lessThanOrEqual": "*"
}
],
"programFiles": [
"drivers/hwtracing/intel_th/core.c"
],
"defaultStatus": "affected"
}
]- Related CVEs
- CVE-2026-23091
Source reference:
/cveMetadata/cveId
Publisher severity
No explicit severity was provided.
- Event
- #39748 · Revision 1
- Added to Heist Feed
- Publisher date