8.8

CVE-2026-93806

wifi: cfg80211: validate assoc response length before status and IE access

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

wifi: cfg80211: validate assoc response length before status and IE access

cfg80211_rx_assoc_resp() initialises the status and response-IE fields
of cfg80211_connect_resp_params from the management frame before
proving that the frame is long enough for those offsets. S1G and
regular association responses also have different IE offsets, but the
S1G path only patched resp_ie after the unsafe initialiser had already
run.

Defer resp_ie, resp_ie_len, and status to after the link-iteration
loop. Use a bool to remember whether the frame is S1G, then validate
the appropriate minimum length and set all three fields in a single
if/else block. Funnel short-frame and SME-reject cleanup through a
shared free_bss label for the abandon paths.
Daten sind bereitgestellt durch das CVE Programm von einer CVE Numbering Authority (CNA) (Unstrukturiert).
HerstellerLinux
≫
Produkt Linux
Default Statusunaffected
Version 6829c878ecd24ff0ae41b4668c7e9d0f11b66942
Version < 3bcaaaa4ad334053ceea2ea2f0623f22afe2e1ac
Status affected
Version 6829c878ecd24ff0ae41b4668c7e9d0f11b66942
Version < 71be658246c903b9e96976a23c23800675896a1b
Status affected
Version 6829c878ecd24ff0ae41b4668c7e9d0f11b66942
Version < a57310600c1e2b9ada0f37c96e8f48aef47d3093
Status affected
Version 6829c878ecd24ff0ae41b4668c7e9d0f11b66942
Version < 78ac450ad4624d6b2999cb4eeb28916767f81247
Status affected
Version 6829c878ecd24ff0ae41b4668c7e9d0f11b66942
Version < b760113aeca2e9362d56bf9e9263373ffe6c8eb3
Status affected
HerstellerLinux
≫
Produkt Linux
Default Statusaffected
Version 2.6.32
Status affected
Version 0
Version < 2.6.32
Status unaffected
Version <= 6.1.*
Version 6.1.189
Status unaffected
Version <= 6.6.*
Version 6.6.158
Status unaffected
Version <= 6.12.*
Version 6.12.111
Status unaffected
Version <= 6.18.*
Version 6.18.53
Status unaffected
Version <= *
Version 7.2
Status unaffected
VulnDex Vulnerability Enrichment
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Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.24% 0.133
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
416baaa9-dc9f-4396-8d5f-8c081fb06d67 8.8 2.8 5.9
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Es wurden noch keine Informationen zu CWE veröffentlicht.
https://git.kernel.org/stable/c/a57310600c1e2b9ada0f37c96e8f48aef47d3093
https://git.kernel.org/stable/c/78ac450ad4624d6b2999cb4eeb28916767f81247
https://git.kernel.org/stable/c/b760113aeca2e9362d56bf9e9263373ffe6c8eb3
https://git.kernel.org/stable/c/3bcaaaa4ad334053ceea2ea2f0623f22afe2e1ac
https://git.kernel.org/stable/c/71be658246c903b9e96976a23c23800675896a1b