CVE-2026-64387critical

smb: client: fix query directory replay double-free

28Vexday Risk Score

Sin señal de explotación. Ningún artefacto público de explotación conocido hasta ahora.

ssvc Trackcvss 9.8epss 0.5%

probabilidad de explotación

0.5%top 63% de las CVE

explotación observada

noninguna fuente lo reporta

In the Linux kernel, the following vulnerability has been resolved: smb: client: fix query directory replay double-free A response-bearing attempt can return a replayable error and free its response buffer. If SMB2_query_directory_init() fails before the next send, cleanup retains the previous buffer type and frees that response again. Reset response bookkeeping before each attempt to prevent the stale free.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Productos afectados

Linux · Linux

Referencias

https://git.kernel.org/stable/c/00b0fa425941438b664950a8ee65dfba2def4336 https://git.kernel.org/stable/c/1665f25b1dea30bf2d02e16245d203a944c9d994 https://git.kernel.org/stable/c/3317a5d015fca976475aa71df224056777316fde https://git.kernel.org/stable/c/3409aedf3c81a810243da94164f6621c9d205c98 https://git.kernel.org/stable/c/9647492b5e41954be59d5157eddbcd4cdc1656f7