CVE-2022-49672high

CVE-2022-49672: falha de alta gravidade em Linux

net: tun: unlink NAPI from device on destruction

Publicada em · Atualizada em

21Vexday Risk Score

Sem sinal de exploração. Nenhum artefato público de exploração conhecido até agora.

ssvc Trackcvss 7.8epss 0.3%
probabilidade de exploração
0.3%top 79% das CVEs
exploração observada
nãonenhuma fonte reporta
In the Linux kernel, the following vulnerability has been resolved: net: tun: unlink NAPI from device on destruction Syzbot found a race between tun file and device destruction. NAPIs live in struct tun_file which can get destroyed before the netdev so we have to del them explicitly. The current code is missing deleting the NAPI if the queue was detached first.
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Produtos afetados
Linux · Linux
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Referências
https://git.kernel.org/stable/c/3b9bc84d311104906d2b4995a9a02d7b7ddab2dbhttps://git.kernel.org/stable/c/8145f77d38de4f88b8a69e1463f5c09ba189d77chttps://git.kernel.org/stable/c/82e729aee59acefe135fceffadcbc5b86dd4f1b9https://git.kernel.org/stable/c/8661d4b8faa2f7ee7a559969c0a7c57f077b1728https://git.kernel.org/stable/c/a8cf919022373c97a84fe596bbea544f909c485dhttps://git.kernel.org/stable/c/bec1be0a745ab420718217e3e0d9542a75108989