Vulnerability CVE-2024-46784

Vulnerability CVE-2024-46784

Published: 2024-09-18

Description:

In the Linux kernel, the following vulnerability has been resolved:

net: mana: Fix error handling in mana_create_txq/rxq's NAPI cleanup

Currently napi_disable() gets called during rxq and txq cleanup,
even before napi is enabled and hrtimer is initialized. It causes
kernel panic.

? page_fault_oops+0x136/0x2b0
? page_counter_cancel+0x2e/0x80
? do_user_addr_fault+0x2f2/0x640
? refill_obj_stock+0xc4/0x110
? exc_page_fault+0x71/0x160
? asm_exc_page_fault+0x27/0x30
? mmdrop+0x10/0x180
? mmdrop+0xec/0x180
? hrtimer_active+0xd/0x50
hrtimer_try_to_cancel+0x2c/0xf0
hrtimer_cancel+0x15/0x30
napi_disable+0x65/0x90
mana_destroy_rxq+0x4c/0x2f0
mana_create_rxq.isra.0+0x56c/0x6d0
? mana_uncfg_vport+0x50/0x50
mana_alloc_queues+0x21b/0x320
? skb_dequeue+0x5f/0x80

References:

https://git.kernel.org/stable/c/9178eb8ebcd887ab75e54ac40d538e54bb9c7788

https://git.kernel.org/stable/c/9e0bff4900b5d412a9bafe4baeaa6facd34f671c

https://git.kernel.org/stable/c/4982a47154f0b50de81ee0a0b169a3fc74120a65

https://git.kernel.org/stable/c/b6ecc662037694488bfff7c9fd21c405df8411f2

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