wifi: mac80211: use safe list iteration in radar detect work
In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: use safe list iteration in radar detect work The call to ieee80211_dfs_cac_cancel can cause the iterated chanctx to be freed and removed from the list. Guard against this to avoid a slab-use-after-free error.
CVE-2026-46166
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-2026-46166
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": "bca8bc0399ac2efd56e6adbed0307e10125a556c",
"lessThan": "887ece6c23b49d02a6678e7a8d5ad213d75883ce",
"versionType": "git"
},
{
"status": "affected",
"version": "bca8bc0399ac2efd56e6adbed0307e10125a556c",
"lessThan": "7577a4b8a10fab45a6ee2045ea038a5adadbb585",
"versionType": "git"
},
{
"status": "affected",
"version": "bca8bc0399ac2efd56e6adbed0307e10125a556c",
"lessThan": "120149fb3ebcf674832ca3cafd32bedcdb686dde",
"versionType": "git"
},
{
"status": "affected",
"version": "bca8bc0399ac2efd56e6adbed0307e10125a556c",
"lessThan": "ac8eb3e18f41e2cc8492cc1d358bcb786c850270",
"versionType": "git"
}
],
"programFiles": [
"net/mac80211/util.c"
],
"defaultStatus": "unaffected"
},
{
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"product": "Linux",
"versions": [
{
"status": "affected",
"version": "6.12"
},
{
"status": "unaffected",
"version": "0",
"lessThan": "6.12",
"versionType": "semver"
},
{
"status": "unaffected",
"version": "6.12.88",
"versionType": "semver",
"lessThanOrEqual": "6.12.*"
},
{
"status": "unaffected",
"version": "6.18.30",
"versionType": "semver",
"lessThanOrEqual": "6.18.*"
},
{
"status": "unaffected",
"version": "7.0.7",
"versionType": "semver",
"lessThanOrEqual": "7.0.*"
},
{
"status": "unaffected",
"version": "7.1",
"versionType": "original_commit_for_fix",
"lessThanOrEqual": "*"
}
],
"programFiles": [
"net/mac80211/util.c"
],
"defaultStatus": "affected"
}
]- Related CVEs
- CVE-2026-46166
Source reference:
/cveMetadata/cveId
Publisher severity
high
Source reference: /containers/cna/metrics
- Event
- #40147 · Revision 1
- Added to Heist Feed
- Publisher date