CVE-2026-45972criticalCWE-825

CVE-2026-45972: fallo crítico en Linux

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

Publicada el · Actualizada el

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 62% de las CVE
explotación observada
noninguna fuente lo 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
Productos afectados
Linux · Linux
CVEs relacionadas — Linux

En el mismo producto, de las más peligrosas a las menos.

CVE-2024-53197HIGHALSA: usb-audio: Fix potential out-of-bound accesses for Extigy and Mbox devicesEPSS 4.1%KEVCVE-2026-31431HIGHcrypto: algif_aead - Revert to operating out-of-placeEPSS 3.4%KEVCVE-2024-53104HIGHmedia: uvcvideo: Skip parsing frames of type UVC_VS_UNDEFINED in uvc_parse_formatEPSS 3.4%KEVCVE-2025-39682CRITICALtls: fix handling of zero-length records on the rx_listEPSS 2.9%KEVCVE-2024-36971HIGHnet: fix __dst_negative_advice() raceEPSS 2.7%KEVCVE-2024-53150HIGHALSA: usb-audio: Fix out of bounds reads when finding clock sourcesEPSS 1.4%KEV
Referencias
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