5.5

CVE-2024-49929

wifi: iwlwifi: mvm: avoid NULL pointer dereference

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.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
LinuxLinux Kernel Version < 6.6.55
LinuxLinux Kernel Version >= 6.7 < 6.10.14
LinuxLinux Kernel Version >= 6.11 < 6.11.3
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% 0.145
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/557a6cd847645e667f3b362560bd7e7c09aac284
Patch
https://git.kernel.org/stable/c/6dcadb2ed3b76623ab96e3e7fbeda1a374d01c28
Patch
https://git.kernel.org/stable/c/c0b4f5d94934c290479180868a32c15ba36a6d9e
Patch
https://git.kernel.org/stable/c/cbc6fc9cfcde151ff5eadaefdc6155f99579384f
https://git.kernel.org/stable/c/cdbf51bfa4b0411820806777da36d93d49bc49a1
Patch
https://lists.debian.org/debian-lts-announce/2025/03/msg00001.html