CVE-2026-52985
In the Linux kernel, the following vulnerability has been resolved: netdevsim: zero initialize struct iphdr in dummy sk_buff Syzbot reports a KMSAN uninit-value originating from nsim_dev_trap_skb_build, with the allocation also being performed in the same function. Fix this by calling skb_put_zero instead of skb_put to guarantee zero initialization of the whole IP header.
Слабость
In the Linux kernel, the following vulnerability has been resolved: netdevsim: zero initialize struct iphdr in dummy sk_buff Syzbot reports a KMSAN uninit-value originating from nsim_dev_trap_skb_build, with the allocation also being performed in the same function. Fix this by calling skb_put_zero instead of skb_put to guarantee zero initialization of the whole IP header.
Затронутые продукты
- linux linux_kernel
Источники
- https://git.kernel.org/stable/c/175556c049eaec14efde8c6475e763b7579b9de7
- https://git.kernel.org/stable/c/1b7b6ae0e93b8d512e208b1378d74af052e4f4e7
- https://git.kernel.org/stable/c/35eaa6d8d6c2ee65e96f507add856e0eacf24591
- https://git.kernel.org/stable/c/6e2cfd0904976e701d7a76b86b694e72af230ab0
- https://git.kernel.org/stable/c/750d0091bebf44975421268d37484ef87060d263
- https://git.kernel.org/stable/c/818f7673ed7f4a29d4b9cee8184c47d6e57162b4
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