CVE-2026-45972criticalCWE-825

CVE-2026-45972: falha crítica em Linux

smb: client: fix potential UAF and double free in smb2_open_file()

Publicada em · Atualizada em

28Vexday Risk Score

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

ssvc Trackcvss 9.8epss 0.5%
probabilidade de exploração
0.5%top 62% das CVEs
exploração observada
nãonenhuma fonte reporta
In the Linux kernel, the following vulnerability has been resolved: smb: client: fix potential UAF and double free in smb2_open_file() Zero out @err_iov and @err_buftype before retrying SMB2_open() to prevent an UAF bug if @data != NULL, otherwise a double free.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Produtos afetados
Linux · Linux
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Referências
https://access.redhat.com/security/cve/CVE-2026-45972https://bugzilla.redhat.com/show_bug.cgi?id=2481973https://git.kernel.org/stable/c/4d339b219004869e96c4ce56b8891f83a38da4c0https://git.kernel.org/stable/c/639deb962986ef2f5e2a6d5a600c66f922471e81https://git.kernel.org/stable/c/7425453ea16dbc3bbb0f6cac4d60b537e5e4d151https://git.kernel.org/stable/c/96e53bb3ee2f354cf6b4ab07bcc56e500f8b3f74https://git.kernel.org/stable/c/e66dcf7bb9c4df5582c82bc3582725abcbfbea73https://git.kernel.org/stable/c/ebbbc4bfad4cb355d17c671223d0814ee3ef4edahttps://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-45972.json