wifi: iwlwifi: mvm: avoid NULL pointer dereference
3Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackepss 0.2%
exploitation probability
0.2%top 87% of all CVEs
observed exploitation
nono source reports it
In the Linux kernel, the following vulnerability has been resolved:
wifi: iwlwifi: mvm: avoid NULL pointer dereference
iwl_mvm_tx_skb_sta() and iwl_mvm_tx_mpdu() verify that the mvmvsta
pointer is not NULL.
It retrieves this pointer using iwl_mvm_sta_from_mac80211, which is
dereferencing the ieee80211_sta pointer.
If sta is NULL, iwl_mvm_sta_from_mac80211 will dereference a NULL
pointer.
Fix this by checking the sta pointer before retrieving the mvmsta
from it. If sta is not NULL, then mvmsta isn't either.
Affected products
Linux · LinuxReferences
https://git.kernel.org/stable/c/557a6cd847645e667f3b362560bd7e7c09aac284https://git.kernel.org/stable/c/6dcadb2ed3b76623ab96e3e7fbeda1a374d01c28https://git.kernel.org/stable/c/c0b4f5d94934c290479180868a32c15ba36a6d9ehttps://git.kernel.org/stable/c/cbc6fc9cfcde151ff5eadaefdc6155f99579384fhttps://git.kernel.org/stable/c/cdbf51bfa4b0411820806777da36d93d49bc49a1https://lists.debian.org/debian-lts-announce/2025/03/msg00001.html