CVE-2025-68729
Description
In the Linux kernel, the following vulnerability has been resolved: wifi: ath12k: Fix MSDU buffer types handling in RX error path Currently, packets received on the REO exception ring from unassociated peers are of MSDU buffer type, while the driver expects link descriptor type packets. These packets are not parsed further due to a return check on packet type in ath12k_hal_desc_reo_parse_err(), but the associated skb is not freed. This may lead to kernel crashes and buffer leaks. Hence to fix, update the RX error handler to explicitly drop MSDU buffer type packets received on the REO exception ring. This prevents further processing of invalid packets and ensures stability in the RX error handling path. Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.4.1-00199-QCAHKSWPL_SILICONZ-1
How to fix
- Linux Linuxabfbceda0d2391524ad1df88867b3f3af36d17c7, 17a9b93283c6f0b799a338bbc50fa115012429d9, 5ff5a9d71cdc49c3400f30583a784ad0a17d01ec, ab0554f51e5f2b9506e8a09e8accd02f00056729, 36f9edbb9d0fc36c865c74f3c1ad8e1261ad3981 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Linux Linux | d889913205cf7ebda905b1e62c5867ed4e39f6c2 ≤ v < abfbceda0d2391524ad1df88867b3f3af36d17c7, d889913205cf7ebda905b1e62c5867ed4e39f6c2 ≤ v < 17a9b93283c6f0b799a338bbc50fa115012429d9, d889913205cf7ebda905b1e62c5867ed4e39f6c2 ≤ v < 5ff5a9d71cdc49c3400f30583a784ad0a17d01ec, d889913205cf7ebda905b1e62c5867ed4e39f6c2 ≤ v < ab0554f51e5f2b9506e8a09e8accd02f00056729, d889913205cf7ebda905b1e62c5867ed4e39f6c2 ≤ v < 36f9edbb9d0fc36c865c74f3c1ad8e1261ad3981, 6.3 | abfbceda0d2391524ad1df88867b3f3af36d17c7, 17a9b93283c6f0b799a338bbc50fa115012429d9, 5ff5a9d71cdc49c3400f30583a784ad0a17d01ec, ab0554f51e5f2b9506e8a09e8accd02f00056729, 36f9edbb9d0fc36c865c74f3c1ad8e1261ad3981 |
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