net: mctp: i3c: serialize probe with bus removal
In the Linux kernel, the following vulnerability has been resolved: net: mctp: i3c: serialize probe with bus removal mctp_i3c_probe() drops busdevs_lock after finding the matching bus. A concurrent I3C_NOTIFY_BUS_REMOVE can then unregister and free the bus netdev before probe passes its private data to mctp_i3c_add_device(). The latter consequently adds a list node through a freed mbus pointer. Keep busdevs_lock held until the device has been added. This also satisfies the __must_hold annotation on mctp_i3c_add_device().
CVE-2026-98018
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-2026-98018
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": "c8755b29b58ec65be17bcb8c40763d2dcb1f1db5",
"lessThan": "e6541b2747682fdb2c6ded4a7cf7c39c4067a35c",
"versionType": "git"
},
{
"status": "affected",
"version": "c8755b29b58ec65be17bcb8c40763d2dcb1f1db5",
"lessThan": "765c5e357e67916a7aac8ead4ac2fa7d2bffe000",
"versionType": "git"
},
{
"status": "affected",
"version": "c8755b29b58ec65be17bcb8c40763d2dcb1f1db5",
"lessThan": "906d8dbafabfa81a30e3ade420cb9912f223a5e1",
"versionType": "git"
},
{
"status": "affected",
"version": "c8755b29b58ec65be17bcb8c40763d2dcb1f1db5",
"lessThan": "2b4707a149a55e8fa75c9ef32b359d60f470a566",
"versionType": "git"
}
],
"programFiles": [
"drivers/net/mctp/mctp-i3c.c"
],
"defaultStatus": "unaffected"
},
{
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"product": "Linux",
"versions": [
{
"status": "affected",
"version": "6.7"
},
{
"status": "unaffected",
"version": "0",
"lessThan": "6.7",
"versionType": "semver"
},
{
"status": "unaffected",
"version": "6.12.111",
"versionType": "semver",
"lessThanOrEqual": "6.12.*"
},
{
"status": "unaffected",
"version": "6.18.53",
"versionType": "semver",
"lessThanOrEqual": "6.18.*"
},
{
"status": "unaffected",
"version": "7.2.7",
"versionType": "semver",
"lessThanOrEqual": "7.2.*"
},
{
"status": "unaffected",
"version": "7.3",
"versionType": "original_commit_for_fix",
"lessThanOrEqual": "*"
}
],
"programFiles": [
"drivers/net/mctp/mctp-i3c.c"
],
"defaultStatus": "affected"
}
]- Related CVEs
- CVE-2026-98018
Source reference:
/cveMetadata/cveId
Publisher severity
No explicit severity was provided.
- Event
- #38147 · Revision 1
- Added to Heist Feed
- Publisher date