CVE-2025-68192: falha crítica em Linux
net: usb: qmi_wwan: initialize MAC header offset in qmimux_rx_fixup
Publicada em · Atualizada em
28Vexday Risk Score
Sem sinal de exploração. Nenhum artefato público de exploração conhecido até agora.
ssvc Trackcvss 9.8epss 0.6%
probabilidade de exploração
0.6%top 52% das CVEs
exploração observada
nãonenhuma fonte reporta
In the Linux kernel, the following vulnerability has been resolved:
net: usb: qmi_wwan: initialize MAC header offset in qmimux_rx_fixup
Raw IP packets have no MAC header, leaving skb->mac_header uninitialized.
This can trigger kernel panics on ARM64 when xfrm or other subsystems
access the offset due to strict alignment checks.
Initialize the MAC header to prevent such crashes.
This can trigger kernel panics on ARM when running IPsec over the
qmimux0 interface.
Example trace:
Internal error: Oops: 000000009600004f [#1] SMP
CPU: 0 UID: 0 PID: 0 Comm: swapper/0 Not tainted 6.12.34-gbe78e49cb433 #1
Hardware name: LS1028A RDB Board (DT)
pstate: 60000005 (nZCv daif -PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : xfrm_input+0xde8/0x1318
lr : xfrm_input+0x61c/0x1318
sp : ffff800080003b20
Call trace:
xfrm_input+0xde8/0x1318
xfrm6_rcv+0x38/0x44
xfrm6_esp_rcv+0x48/0xa8
ip6_protocol_deliver_rcu+0x94/0x4b0
ip6_input_finish+0x44/0x70
ip6_input+0x44/0xc0
ipv6_rcv+0x6c/0x114
__netif_receive_skb_one_core+0x5c/0x8c
__netif_receive_skb+0x18/0x60
process_backlog+0x78/0x17c
__napi_poll+0x38/0x180
net_rx_action+0x168/0x2f0
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
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Referências
https://git.kernel.org/stable/c/0aabccdcec1f4a36f95829ea2263f845bbc77223https://git.kernel.org/stable/c/4e6b9004f01d0fef5b19778399bc5bf55f8c2d71https://git.kernel.org/stable/c/8ab3b8f958d861a7f725a5be60769106509fbd69https://git.kernel.org/stable/c/ae811175cea35b03ac6d7c910f43a82a43b9c3b3https://git.kernel.org/stable/c/bf527b80b80a282ab5bf1540546211fc35e5cd42https://git.kernel.org/stable/c/d693c47fb902b988f5752182e4f7fbde5e6dcaf9https://git.kernel.org/stable/c/dd03780c29f87c26c0e0bb7e0db528c8109461fbhttps://git.kernel.org/stable/c/e120f46768d98151ece8756ebd688b0e43dc8b29