Description
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.
Affected products
linux: linux kernel
References9
- git.kernel.org/stable/c/4d339b219004869e96c4ce56b8891f83a38da4c0 Patch
- git.kernel.org/stable/c/639deb962986ef2f5e2a6d5a600c66f922471e81 Patch
- git.kernel.org/stable/c/7425453ea16dbc3bbb0f6cac4d60b537e5e4d151 Patch
- git.kernel.org/stable/c/96e53bb3ee2f354cf6b4ab07bcc56e500f8b3f74 Patch
- git.kernel.org/stable/c/e66dcf7bb9c4df5582c82bc3582725abcbfbea73 Patch
- git.kernel.org/stable/c/ebbbc4bfad4cb355d17c671223d0814ee3ef4eda Patch
- access.redhat.com/security/cve/CVE-2026-45972
- bugzilla.redhat.com/show_bug.cgi?id=2481973
- security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-45972…
Metrics
- CVSS 3.1
-
9.8
CRITICAL
Score source: CNA
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - EPSS — exploit probability
- 0% percentile: 26 · as of 14 November 2026
- CWE
- CWE-416CWE-825
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