CVE-2026-52922
In the Linux kernel, the following vulnerability has been resolved: batman-adv: dat: handle forward allocation error batadv_dat_forward_data() calls pskb_copy_for_clone() to duplicate an skb for each DHT candidate, but does not check the return value before passing it to batadv_send_skb_prepare_unicast_4addr(). That function dereferences the skb unconditionally, so a failed allocation triggers a NULL pointer dereference. Skip forwarding to the current DHT candidate on allocation failure.
Слабость
In the Linux kernel, the following vulnerability has been resolved: batman-adv: dat: handle forward allocation error batadv_dat_forward_data() calls pskb_copy_for_clone() to duplicate an skb for each DHT candidate, but does not check the return value before passing it to batadv_send_skb_prepare_unicast_4addr(). That function dereferences the skb unconditionally, so a failed allocation triggers a NULL pointer dereference. Skip forwarding to the current DHT candidate on allocation failure.
Затронутые продукты
- linux linux_kernel
Источники
- https://git.kernel.org/stable/c/2d8826a2d3657cea66fb0370f9e521575a673871
- https://git.kernel.org/stable/c/2edb8aeb3cdda9d00ec4997252dc5bcd6f54d8ef
- https://git.kernel.org/stable/c/4d420d9ee70a220a2cd95aa0dd2e15acad66a505
- https://git.kernel.org/stable/c/866ac1d57040ed0b44ca732e3c66b3aa6b93011c
- https://git.kernel.org/stable/c/9bcebaedfb8479cb4affb23c7a0d000ca9a20e73
- https://git.kernel.org/stable/c/9cceea8eeba710def2a5707ee00f00c74a9a1cac
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