High
Bluetooth: hci_sync: hold conn in hci_connect_acl/le_sync() callbacks
In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hci_sync: hold conn in hci_connect_acl/le_sync() callbacks There is theoretical UAF if the conn is freed while the hci_sync task is running. Hold refcount to avoid that.
Announced Source revision 1
Original source ↗CVE-2026-80692
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-2026-80692
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": "d948e1ffa1d40240d5c81af6dcbcb87b39cb8d3c",
"lessThan": "f0a544ef6e38e4063d0ed72ad83d6bf0f4e70805",
"versionType": "git"
},
{
"status": "affected",
"version": "881559af5f5c545f6828e7c74d79813eb886d523",
"lessThan": "301a4e2e89313dee10f0e8cb084daedbbe4a3dce",
"versionType": "git"
},
{
"status": "affected",
"version": "881559af5f5c545f6828e7c74d79813eb886d523",
"lessThan": "a4de6fc95b2f36967fc247ae51cad2171194f7cd",
"versionType": "git"
},
{
"status": "affected",
"version": "881559af5f5c545f6828e7c74d79813eb886d523",
"lessThan": "9a77f296aff4b2ca5f2928ab3a3220c82d8b4074",
"versionType": "git"
},
{
"status": "affected",
"version": "881559af5f5c545f6828e7c74d79813eb886d523",
"lessThan": "2f5d635ad5906b0235bc0c870e8beba3116e1e98",
"versionType": "git"
},
{
"status": "affected",
"version": "5dd0bd277a0a936708a33ecc447dce77a08cbde6",
"versionType": "git"
},
{
"status": "affected",
"version": "6.6.51",
"lessThan": "6.6.160",
"versionType": "semver"
},
{
"status": "affected",
"version": "6.8.9",
"lessThan": "6.9",
"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": "6.9"
},
{
"status": "unaffected",
"version": "0",
"lessThan": "6.9",
"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": "7.1.8",
"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-2026-80692
Source reference:
/cveMetadata/cveId
Publisher severity
high
Source reference: /containers/cna/metrics
- Event
- #46625 · Revision 1
- Added to Heist Feed
- Publisher date