5.5

CVE-2023-52593

wifi: wfx: fix possible NULL pointer dereference in wfx_set_mfp_ap()

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

wifi: wfx: fix possible NULL pointer dereference in wfx_set_mfp_ap()

Since 'ieee80211_beacon_get()' can return NULL, 'wfx_set_mfp_ap()'
should check the return value before examining skb data. So convert
the latter to return an appropriate error code and propagate it to
return from 'wfx_start_ap()' as well. Compile tested only.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Linux ≫ Linux Kernel Version < 6.1.77
Linux ≫ Linux Kernel Version >= 6.2 < 6.6.16
Linux ≫ Linux Kernel Version >= 6.7 < 6.7.4
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Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.23% 0.129
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
nvd@nist.gov 5.5 1.8 3.6
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE-476 NULL Pointer Dereference

The product dereferences a pointer that it expects to be valid but is NULL.

https://git.kernel.org/stable/c/3739121443f5114c6bcf6d841a5124deb006b878
Patch
https://git.kernel.org/stable/c/574dcd3126aa2eed75437137843f254b1190dd03
Patch
https://git.kernel.org/stable/c/9ab224744a47363f74ea29c6894c405e3bcf5132
Patch
https://git.kernel.org/stable/c/fe0a7776d4d19e613bb8dd80fe2d78ae49e8b49d
Patch