PT-2026-61453 · Linux · Linux

CVE-2026-64136 · Publicado 2026-07-19 · Atualizado 2026-07-19

NVD

CVSS v3.1

9.8

Crítica

Vetor base

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

In the Linux kernel, the following vulnerability has been resolved:

smb: client: protect tc count increment in smb2 find smb sess tcon unlocked()

Commit 96c4af418586 ("cifs: Fix locking usage for tcon fields") refactored cifs code to change cifs tcp ses lock for tc lock around tc count changes.

There was missing lock around tc count increment inside smb2 find smb sess tcon unlocked().

Correção

Identificadores relacionados

CVE-2026-64136

Produtos afetados

Linux

Referências · 6

• https://git.kernel.org/stable/c/13fb413ae22a37c69341918a6d651d19a9b0b9b7 · Nota
• https://git.kernel.org/stable/c/e374f4e496fef8168784f93a4477d67be34485fd · Nota
• https://nvd.nist.gov/vuln/detail/CVE-2026-64136 · Nota de Segurança
• https://git.kernel.org/stable/c/4d8690dace005a38e6dbde9ecce2da3ad85c7c41 · Nota
• https://git.kernel.org/stable/c/7df1df6f40c0720d30206aa35c0343b962350e0d · Nota
• https://git.kernel.org/stable/c/bf4ebdb19ff9b3cdf992b50715fe61633327416a · Nota