High
Bluetooth: hci_sync: hold conn in hci_connect_pa_sync() callback
In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hci_sync: hold conn in hci_connect_pa_sync() callback There is theoretical UAF if the conn is freed while the hci_sync task is running. Hold refcount to avoid that.
Announced Group revision 1
Original source ↗CVE-2026-74529
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-2026-74529
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": "eb8b860e87b296bd1874c79a668081efd00f9754",
"lessThan": "40ef39f1d755ff8d54423345c73d187e77854d0b",
"versionType": "git"
},
{
"status": "affected",
"version": "6d0417e4e1cf66fd917f06f0454958362714ef7d",
"lessThan": "68ffe4265775ed9e09e18e9a3b388740e25257bf",
"versionType": "git"
},
{
"status": "affected",
"version": "6d0417e4e1cf66fd917f06f0454958362714ef7d",
"lessThan": "c53c70ec289ee12f20c4f1b2fbfd151762c01f67",
"versionType": "git"
},
{
"status": "affected",
"version": "6d0417e4e1cf66fd917f06f0454958362714ef7d",
"lessThan": "44fc74069d8988f2825246f9401218e29de2c0ab",
"versionType": "git"
},
{
"status": "affected",
"version": "94bf6380e936339a700c0b3171a49baf512aa70b",
"versionType": "git"
},
{
"status": "affected",
"version": "6.12.28",
"lessThan": "6.12.114",
"versionType": "semver"
},
{
"status": "affected",
"version": "6.14.6",
"lessThan": "6.15",
"versionType": "semver"
}
],
"programFiles": [
"net/bluetooth/hci_sync.c"
],
"defaultStatus": "unaffected"
},
{
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"product": "Linux",
"versions": [
{
"status": "affected",
"version": "6.15"
},
{
"status": "unaffected",
"version": "0",
"lessThan": "6.15",
"versionType": "semver"
},
{
"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": "7.1.8",
"versionType": "semver",
"lessThanOrEqual": "7.1.*"
},
{
"status": "unaffected",
"version": "7.2",
"versionType": "original_commit_for_fix",
"lessThanOrEqual": "*"
}
],
"programFiles": [
"net/bluetooth/hci_sync.c"
],
"defaultStatus": "affected"
}
]- Related CVEs
- CVE-2026-74529
Source reference:
/cveMetadata/cveId
Publisher severity
high
Source reference: /containers/cna/metrics
- Event
- #46567 · Revision 1
- Added to Heist Feed
- Publisher date