Bluetooth: ISO: lock sk in iso_connect_ind
In the Linux kernel, the following vulnerability has been resolved: Bluetooth: ISO: lock sk in iso_connect_ind Accessing iso_pi(sk)->conn requires lock_sock, which is not taken in the "ev3" part of iso_connect_ind. It may also be NULL if socket has transitioned away from the LISTEN/CONNECT states before locking. Fix by adding lock/release. Recheck hcon is valid after lock acquire where needed.
CVE-2026-74538
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-2026-74538
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": "168d9bf9c7f01df71e6404cfff66d9c2a8e968fb",
"lessThan": "0e830354c120954ccb9ca15880245912722c4031",
"versionType": "git"
},
{
"status": "affected",
"version": "168d9bf9c7f01df71e6404cfff66d9c2a8e968fb",
"lessThan": "e8e9cff6d80eeec28dec4cf7cc18662986945391",
"versionType": "git"
},
{
"status": "affected",
"version": "168d9bf9c7f01df71e6404cfff66d9c2a8e968fb",
"lessThan": "9bee7e476534f27e830658dad962d85da9edf6bf",
"versionType": "git"
},
{
"status": "affected",
"version": "168d9bf9c7f01df71e6404cfff66d9c2a8e968fb",
"lessThan": "4311fd6f429065a8ba208660360a895627a00cf3",
"versionType": "git"
},
{
"status": "affected",
"version": "489efc9ae36f164423f5fa7ace772a7ab8131cd8",
"versionType": "git"
},
{
"status": "affected",
"version": "6.8.9",
"lessThan": "6.9",
"versionType": "semver"
}
],
"programFiles": [
"net/bluetooth/iso.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": "6.12.114",
"versionType": "semver",
"lessThanOrEqual": "6.12.*"
},
{
"status": "unaffected",
"version": "6.18.44",
"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/iso.c"
],
"defaultStatus": "affected"
}
]- Related CVEs
- CVE-2026-74538
Source reference:
/cveMetadata/cveId
Publisher severity
high
Source reference: /containers/cna/metrics
- Event
- #46571 · Revision 1
- Added to Heist Feed
- Publisher date