In the Linux kernel, the following vulnerability has been resolved:
wifi: mwifiex: avoid possible NULL skb pointer dereference
In 'mwifiexhandleuaprxforward()', always check the value returned by 'skbcopy()' to avoid potential NULL pointer dereference in 'mwifiexuapqueuebridged_pkt()', and drop original skb in case of copying failure.
Found by Linux Verification Center (linuxtesting.org) with SVACE.
{
"cna_assigner": "Linux",
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/53xxx/CVE-2023-53384.json"
}"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-53384.json"
[
{
"signature_type": "Function",
"target": {
"function": "mwifiex_handle_uap_rx_forward",
"file": "drivers/net/wireless/marvell/mwifiex/uap_txrx.c"
},
"source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@c2509f7c37355e1f0bd5b7087815b845fd383723",
"id": "CVE-2023-53384-13b722c7",
"deprecated": false,
"signature_version": "v1",
"digest": {
"function_hash": "68791951022545219920836635727173141566",
"length": 659.0
}
},
{
"signature_type": "Line",
"target": {
"file": "drivers/net/wireless/marvell/mwifiex/uap_txrx.c"
},
"source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@c2509f7c37355e1f0bd5b7087815b845fd383723",
"deprecated": false,
"digest": {
"threshold": 0.9,
"line_hashes": [
"324715007205040098577886848175363595829",
"25113956050847754397583491033427073524",
"122031886411519932050467106884161725823",
"11309321854690443758943631404485347849"
]
},
"signature_version": "v1",
"id": "CVE-2023-53384-cdaa9690"
}
]