vsock: Fix transport_* TOCTOU
21Vexday Risk Score
Sem sinal de exploração. Nenhum artefato público de exploração conhecido até agora.
ssvc Trackcvss 7epss 0.1%
probabilidade de exploração
0.1%top 98% das CVEs
exploração observada
nãonenhuma fonte reporta
In the Linux kernel, the following vulnerability has been resolved:
vsock: Fix transport_* TOCTOU
Transport assignment may race with module unload. Protect new_transport
from becoming a stale pointer.
This also takes care of an insecure call in vsock_use_local_transport();
add a lockdep assert.
BUG: unable to handle page fault for address: fffffbfff8056000
Oops: Oops: 0000 [#1] SMP KASAN
RIP: 0010:vsock_assign_transport+0x366/0x600
Call Trace:
vsock_connect+0x59c/0xc40
__sys_connect+0xe8/0x100
__x64_sys_connect+0x6e/0xc0
do_syscall_64+0x92/0x1c0
entry_SYSCALL_64_after_hwframe+0x4b/0x53
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Produtos afetados
Linux · LinuxReferências
https://git.kernel.org/stable/c/36a439049b34cca0b3661276049b84a1f76cc21ahttps://git.kernel.org/stable/c/687aa0c5581b8d4aa87fd92973e4ee576b550cdfhttps://git.kernel.org/stable/c/7b73bddf54777fb62d4d8c7729d0affe6df04477https://git.kernel.org/stable/c/8667e8d0eb46bc54fdae30ba2f4786407d3d88ebhttps://git.kernel.org/stable/c/9ce53e744f18e73059d3124070e960f3aa9902bfhttps://git.kernel.org/stable/c/9d24bb6780282b0255b9929abe5e8f98007e2c6ehttps://git.kernel.org/stable/c/ae2c712ba39c7007de63cb0c75b51ce1caaf1da5https://lists.debian.org/debian-lts-announce/2025/10/msg00007.htmlhttps://lists.debian.org/debian-lts-announce/2025/10/msg00008.html