Vulnerability-Lookup

GHSA-PQXF-3WQ6-69F8

Vulnerability from github – Published: 2026-05-28 12:30 – Updated: 2026-05-28 12:30

Details

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.

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{
  "affected": [],
  "aliases": [
    "CVE-2026-46166"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-05-28T10:16:32Z",
    "severity": null
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: mac80211: use safe list iteration in radar detect work\n\nThe call to ieee80211_dfs_cac_cancel can cause the iterated chanctx to\nbe freed and removed from the list. Guard against this to avoid a\nslab-use-after-free error.",
  "id": "GHSA-pqxf-3wq6-69f8",
  "modified": "2026-05-28T12:30:31Z",
  "published": "2026-05-28T12:30:31Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-46166"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/120149fb3ebcf674832ca3cafd32bedcdb686dde"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/7577a4b8a10fab45a6ee2045ea038a5adadbb585"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/887ece6c23b49d02a6678e7a8d5ad213d75883ce"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/ac8eb3e18f41e2cc8492cc1d358bcb786c850270"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}

CVE-2026-46166 (GCVE-0-2026-46166)

Vulnerability from cvelistv5 – Published: 2026-05-28 09:36 – Updated: 2026-05-28 09:36

Title

wifi: mac80211: use safe list iteration in radar detect work

Summary

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.

Severity

No CVSS data available.

Assigner

Linux

References

4 references

URL	Tags
https://git.kernel.org/stable/c/887ece6c23b49d02a…
https://git.kernel.org/stable/c/7577a4b8a10fab45a…
https://git.kernel.org/stable/c/120149fb3ebcf6748…
https://git.kernel.org/stable/c/ac8eb3e18f41e2cc8…

Impacted products

2 products

Vendor	Product	Version
Linux	Linux	Affected: bca8bc0399ac2efd56e6adbed0307e10125a556c , < 887ece6c23b49d02a6678e7a8d5ad213d75883ce (git) Affected: bca8bc0399ac2efd56e6adbed0307e10125a556c , < 7577a4b8a10fab45a6ee2045ea038a5adadbb585 (git) Affected: bca8bc0399ac2efd56e6adbed0307e10125a556c , < 120149fb3ebcf674832ca3cafd32bedcdb686dde (git) Affected: bca8bc0399ac2efd56e6adbed0307e10125a556c , < ac8eb3e18f41e2cc8492cc1d358bcb786c850270 (git)
Linux	Linux	Affected: 6.12 Unaffected: 0 , < 6.12 (semver) Unaffected: 6.12.88 , ≤ 6.12.* (semver) Unaffected: 6.18.30 , ≤ 6.18.* (semver) Unaffected: 7.0.7 , ≤ 7.0.* (semver) Unaffected: 7.1-rc3 , ≤ * (original_commit_for_fix)

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{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "net/mac80211/util.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
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              "status": "affected",
              "version": "bca8bc0399ac2efd56e6adbed0307e10125a556c",
              "versionType": "git"
            },
            {
              "lessThan": "7577a4b8a10fab45a6ee2045ea038a5adadbb585",
              "status": "affected",
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          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
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          "versions": [
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            },
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              "version": "0",
              "versionType": "semver"
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          "nodes": [
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                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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                  "versionStartIncluding": "6.12",
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                }
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          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: mac80211: use safe list iteration in radar detect work\n\nThe call to ieee80211_dfs_cac_cancel can cause the iterated chanctx to\nbe freed and removed from the list. Guard against this to avoid a\nslab-use-after-free error."
        }
      ],
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        "dateUpdated": "2026-05-28T09:36:21.675Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
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    "datePublished": "2026-05-28T09:36:21.675Z",
    "dateReserved": "2026-05-13T15:03:33.102Z",
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    "state": "PUBLISHED"
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}

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

Action not permitted

GHSA-PQXF-3WQ6-69F8

CVE-2026-46166 (GCVE-0-2026-46166)

Tags

Sightings

Nomenclature