Vulnerability-Lookup

GHSA-QXG5-G69M-9VXH

Vulnerability from github – Published: 2024-04-02 09:30 – Updated: 2025-03-17 18:31

Details

In the Linux kernel, the following vulnerability has been resolved:

wifi: mac80211: improve CSA/ECSA connection refusal

As mentioned in the previous commit, we pretty quickly found that some APs have ECSA elements stuck in their probe response, so using that to not attempt to connect while CSA is happening we never connect to such an AP.

Improve this situation by checking more carefully and ignoring the ECSA if cfg80211 has previously detected the ECSA element being stuck in the probe response.

Additionally, allow connecting to an AP that's switching to a channel it's already using, unless it's using quiet mode. In this case, we may just have to adjust bandwidth later. If it's actually switching channels, it's better not to try to connect in the middle of that.

Severity

5.5 (Medium)


                  
                    CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

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  "affected": [],
  "aliases": [
    "CVE-2024-26682"
  ],
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    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2024-04-02T07:15:44Z",
    "severity": "MODERATE"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: mac80211: improve CSA/ECSA connection refusal\n\nAs mentioned in the previous commit, we pretty quickly found\nthat some APs have ECSA elements stuck in their probe response,\nso using that to not attempt to connect while CSA is happening\nwe never connect to such an AP.\n\nImprove this situation by checking more carefully and ignoring\nthe ECSA if cfg80211 has previously detected the ECSA element\nbeing stuck in the probe response.\n\nAdditionally, allow connecting to an AP that\u0027s switching to a\nchannel it\u0027s already using, unless it\u0027s using quiet mode. In\nthis case, we may just have to adjust bandwidth later. If it\u0027s\nactually switching channels, it\u0027s better not to try to connect\nin the middle of that.",
  "id": "GHSA-qxg5-g69m-9vxh",
  "modified": "2025-03-17T18:31:38Z",
  "published": "2024-04-02T09:30:41Z",
  "references": [
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      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2024-26682"
    },
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      "url": "https://git.kernel.org/stable/c/35e2385dbe787936c793d70755a5177d267a40aa"
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  ]
}

CVE-2024-26682 (GCVE-0-2024-26682)

Vulnerability from cvelistv5 – Published: 2024-04-02 07:01 – Updated: 2026-05-11 20:02

Title

wifi: mac80211: improve CSA/ECSA connection refusal

Summary

In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: improve CSA/ECSA connection refusal As mentioned in the previous commit, we pretty quickly found that some APs have ECSA elements stuck in their probe response, so using that to not attempt to connect while CSA is happening we never connect to such an AP. Improve this situation by checking more carefully and ignoring the ECSA if cfg80211 has previously detected the ECSA element being stuck in the probe response. Additionally, allow connecting to an AP that's switching to a channel it's already using, unless it's using quiet mode. In this case, we may just have to adjust bandwidth later. If it's actually switching channels, it's better not to try to connect in the middle of that.

Severity

No CVSS data available.

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2024-09-10 15:53 UTC

Assigner

Linux CNA under the mitre root

CNA scorecard D 53/100 over 6856 records in the last 180 days details

References

2 references

URL	Tags
https://git.kernel.org/stable/c/ea88bde8e3fefbe42…
https://git.kernel.org/stable/c/35e2385dbe787936c…

Impacted products

2 products

Vendor	Product	Version
Linux	Linux	Affected: c09c4f31998bac6d73508e38812518aceb069b68 , < ea88bde8e3fefbe4268f6991375dd629895a090a (git) Affected: c09c4f31998bac6d73508e38812518aceb069b68 , < 35e2385dbe787936c793d70755a5177d267a40aa (git)
Linux	Linux	Affected: 6.7 Unaffected: 0 , < 6.7 (semver) Unaffected: 6.7.5 , ≤ 6.7.* (semver) Unaffected: 6.8 , ≤ * (original_commit_for_fix)

Show details on NVD website

JSON

To clipboard

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Sightings

Author	Source	Type	Date	Other

Nomenclature

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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.

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