Bluetooth: mgmt: hold reference for hci_conn in mgmt_pending_cmds
In the Linux kernel, the following vulnerability has been resolved: Bluetooth: mgmt: hold reference for hci_conn in mgmt_pending_cmds Dereferencing RCU-protected pointers outside critical sections is invalid and may lead to UAF. Use of hci_conn in hci_sync callbacks also needs to hold refcount to avoid UAF. Take appropriate locks for hci_conn lookups, and take refcount for hci_conn pointers stored in mgmt_pending_cmd so that the pointer stays valid. When accessing conn->state, ensure hdev->lock is held to avoid data race.
CVE-2026-68391
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-2026-68391
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": "7b445e220db9a2c58be5d09bbbd322abf1b1452a",
"lessThan": "84674dd1d3192ecb050827d3148642609c0c9dbb",
"versionType": "git"
},
{
"status": "affected",
"version": "7b445e220db9a2c58be5d09bbbd322abf1b1452a",
"lessThan": "b56f2ecafc08f372bf0529f9c4f3f429cb1702dc",
"versionType": "git"
},
{
"status": "affected",
"version": "7b445e220db9a2c58be5d09bbbd322abf1b1452a",
"lessThan": "f915e74b6f18293d1d69a2a3305ef321ff7c0172",
"versionType": "git"
},
{
"status": "affected",
"version": "7b445e220db9a2c58be5d09bbbd322abf1b1452a",
"lessThan": "d5b3b484b62bb0f4542e7622789d28871626cdf0",
"versionType": "git"
},
{
"status": "affected",
"version": "7b445e220db9a2c58be5d09bbbd322abf1b1452a",
"lessThan": "ecdcb55ea1c01dda074406f38058785a69526734",
"versionType": "git"
},
{
"status": "affected",
"version": "7b445e220db9a2c58be5d09bbbd322abf1b1452a",
"lessThan": "da55f570191d5d72f10c607a7043b947eb05ea46",
"versionType": "git"
}
],
"programFiles": [
"net/bluetooth/mgmt.c"
],
"defaultStatus": "unaffected"
},
{
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"product": "Linux",
"versions": [
{
"status": "affected",
"version": "6.0"
},
{
"status": "unaffected",
"version": "0",
"lessThan": "6.0",
"versionType": "semver"
},
{
"status": "unaffected",
"version": "6.1.189",
"versionType": "semver",
"lessThanOrEqual": "6.1.*"
},
{
"status": "unaffected",
"version": "6.6.148",
"versionType": "semver",
"lessThanOrEqual": "6.6.*"
},
{
"status": "unaffected",
"version": "6.12.101",
"versionType": "semver",
"lessThanOrEqual": "6.12.*"
},
{
"status": "unaffected",
"version": "6.18.42",
"versionType": "semver",
"lessThanOrEqual": "6.18.*"
},
{
"status": "unaffected",
"version": "7.1.6",
"versionType": "semver",
"lessThanOrEqual": "7.1.*"
},
{
"status": "unaffected",
"version": "7.2",
"versionType": "original_commit_for_fix",
"lessThanOrEqual": "*"
}
],
"programFiles": [
"net/bluetooth/mgmt.c"
],
"defaultStatus": "affected"
}
]- Related CVEs
- CVE-2026-68391
Source reference:
/cveMetadata/cveId
Publisher severity
high
Source reference: /containers/cna/metrics
- Event
- #41714 · Revision 1
- Added to Heist Feed
- Publisher date