CVE-2025-39864 (GCVE-0-2025-39864)
Vulnerability from cvelistv5 – Published: 2025-09-19 15:26 – Updated: 2026-06-11 18:44
VLAI
Title
wifi: cfg80211: fix use-after-free in cmp_bss()
Summary
In the Linux kernel, the following vulnerability has been resolved:
wifi: cfg80211: fix use-after-free in cmp_bss()
Following bss_free() quirk introduced in commit 776b3580178f
("cfg80211: track hidden SSID networks properly"), adjust
cfg80211_update_known_bss() to free the last beacon frame
elements only if they're not shared via the corresponding
'hidden_beacon_bss' pointer.
Severity
No CVSS data available.
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
Assigner
References
12 references
Impacted products
19 products
| Vendor | Product | Version | |
|---|---|---|---|
| Linux | Linux |
Affected:
3ab8227d3e7d1d2bf1829675d3197e3cb600e9f6 , < a8bb681e879ca3c9f722aa08d3d7ae41c42a8807
(git)
Affected: 3ab8227d3e7d1d2bf1829675d3197e3cb600e9f6 , < a97a9791e455bb0cd5e7a38b5abcb05523d4e21c (git) Affected: 3ab8227d3e7d1d2bf1829675d3197e3cb600e9f6 , < ff040562c10a540b8d851f7f4145fa112977f853 (git) Affected: 3ab8227d3e7d1d2bf1829675d3197e3cb600e9f6 , < 6854476d9e1aeaaf05ebc98d610061c2075db07d (git) Affected: 3ab8227d3e7d1d2bf1829675d3197e3cb600e9f6 , < b7d08929178c16398278613df07ad65cf63cce9d (git) Affected: 3ab8227d3e7d1d2bf1829675d3197e3cb600e9f6 , < 5b7ae04969f822283a95c866967e42b4d75e0eef (git) Affected: 3ab8227d3e7d1d2bf1829675d3197e3cb600e9f6 , < 912c4b66bef713a20775cfbf3b5e9bd71525c716 (git) Affected: 3ab8227d3e7d1d2bf1829675d3197e3cb600e9f6 , < 26e84445f02ce6b2fe5f3e0e28ff7add77f35e08 (git) |
|
| Linux | Linux |
Affected:
5.4
Unaffected: 0 , < 5.4 (semver) Unaffected: 5.4.299 , ≤ 5.4.* (semver) Unaffected: 5.10.243 , ≤ 5.10.* (semver) Unaffected: 5.15.192 , ≤ 5.15.* (semver) Unaffected: 6.1.151 , ≤ 6.1.* (semver) Unaffected: 6.6.105 , ≤ 6.6.* (semver) Unaffected: 6.12.46 , ≤ 6.12.* (semver) Unaffected: 6.16.6 , ≤ 6.16.* (semver) Unaffected: 6.17 , ≤ * (original_commit_for_fix) |
|
| Siemens | RUGGEDCOM RST2428P |
Affected:
0 , < V3.3
(custom)
|
|
| Siemens | SCALANCE XC-300/XR-300/XC-400/XR-500WG/XR-500 family |
Affected:
0 , < V3.3
(custom)
|
|
| Siemens | SCALANCE XCH328 |
Affected:
0 , < V3.3
(custom)
|
|
| Siemens | SCALANCE XCM324 |
Affected:
0 , < V3.3
(custom)
|
|
| Siemens | SCALANCE XCM328 |
Affected:
0 , < V3.3
(custom)
|
|
| Siemens | SCALANCE XCM332 |
Affected:
0 , < V3.3
(custom)
|
|
| Siemens | SCALANCE XRH334 (24 V DC, 8xFO, CC) |
Affected:
0 , < V3.3
(custom)
|
|
| Siemens | SCALANCE XRM334 (230 V AC, 12xFO) |
Affected:
0 , < V3.3
(custom)
|
|
| Siemens | SCALANCE XRM334 (230 V AC, 8xFO) |
Affected:
0 , < V3.3
(custom)
|
|
| Siemens | SCALANCE XRM334 (230V AC, 2x10G, 24xSFP, 8xSFP+) |
Affected:
0 , < V3.3
(custom)
|
|
| Siemens | SCALANCE XRM334 (24 V DC, 12xFO) |
Affected:
0 , < V3.3
(custom)
|
|
| Siemens | SCALANCE XRM334 (24 V DC, 8xFO) |
Affected:
0 , < V3.3
(custom)
|
|
| Siemens | SCALANCE XRM334 (24V DC, 2x10G, 24xSFP, 8xSFP+) |
Affected:
0 , < V3.3
(custom)
|
|
| Siemens | SCALANCE XRM334 (2x230 V AC, 12xFO) |
Affected:
0 , < V3.3
(custom)
|
|
| Siemens | SCALANCE XRM334 (2x230 V AC, 8xFO) |
Affected:
0 , < V3.3
(custom)
|
|
| Siemens | SCALANCE XRM334 (2x230V AC, 2x10G, 24xSFP, 8xSFP+) |
Affected:
0 , < V3.3
(custom)
|
|
| Siemens | SIMATIC CN 4100 |
Affected:
0 , < V5.0
(custom)
|
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{\"status\": \"unaffected\", \"version\": \"6.17\", \"versionType\": \"original_commit_for_fix\", \"lessThanOrEqual\": \"*\"}], \"programFiles\": [\"net/wireless/scan.c\"], \"defaultStatus\": \"affected\"}], \"references\": [{\"url\": \"https://git.kernel.org/stable/c/a8bb681e879ca3c9f722aa08d3d7ae41c42a8807\"}, {\"url\": \"https://git.kernel.org/stable/c/a97a9791e455bb0cd5e7a38b5abcb05523d4e21c\"}, {\"url\": \"https://git.kernel.org/stable/c/ff040562c10a540b8d851f7f4145fa112977f853\"}, {\"url\": \"https://git.kernel.org/stable/c/6854476d9e1aeaaf05ebc98d610061c2075db07d\"}, {\"url\": \"https://git.kernel.org/stable/c/b7d08929178c16398278613df07ad65cf63cce9d\"}, {\"url\": \"https://git.kernel.org/stable/c/5b7ae04969f822283a95c866967e42b4d75e0eef\"}, {\"url\": \"https://git.kernel.org/stable/c/912c4b66bef713a20775cfbf3b5e9bd71525c716\"}, {\"url\": \"https://git.kernel.org/stable/c/26e84445f02ce6b2fe5f3e0e28ff7add77f35e08\"}], \"x_generator\": {\"engine\": \"bippy-1.2.0\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"In the Linux kernel, the following vulnerability has been resolved:\\n\\nwifi: cfg80211: fix use-after-free in cmp_bss()\\n\\nFollowing bss_free() quirk introduced in commit 776b3580178f\\n(\\\"cfg80211: track hidden SSID networks properly\\\"), adjust\\ncfg80211_update_known_bss() to free the last beacon frame\\nelements only if they\u0027re not shared via the corresponding\\n\u0027hidden_beacon_bss\u0027 pointer.\"}], \"cpeApplicability\": [{\"nodes\": [{\"negate\": false, \"cpeMatch\": [{\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.4.299\", \"versionStartIncluding\": \"5.4\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.10.243\", \"versionStartIncluding\": \"5.4\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.15.192\", \"versionStartIncluding\": \"5.4\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.1.151\", \"versionStartIncluding\": \"5.4\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.6.105\", \"versionStartIncluding\": \"5.4\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.12.46\", \"versionStartIncluding\": \"5.4\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.16.6\", \"versionStartIncluding\": \"5.4\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.17\", \"versionStartIncluding\": \"5.4\"}], \"operator\": \"OR\"}]}], \"providerMetadata\": {\"orgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"shortName\": \"Linux\", \"dateUpdated\": \"2026-05-11T21:37:55.094Z\"}}}",
"cveMetadata": "{\"cveId\": \"CVE-2025-39864\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-06-11T18:44:03.638Z\", \"dateReserved\": \"2025-04-16T07:20:57.143Z\", \"assignerOrgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"datePublished\": \"2025-09-19T15:26:33.787Z\", \"assignerShortName\": \"Linux\"}",
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
}
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
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.
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