CVE-2026-45972
critical · 9.8In 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.
9.8
CVSS
0.3%
EPSS (exploit prob.)
27th
EPSS percentile
2026-05-27
Published
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weaknesses
CWE-416CWE-825
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| linux | linux_kernel | >= 6.1.163, < 6.1.165 |
| linux | linux_kernel | >= 6.6.124, < 6.6.128 |
| linux | linux_kernel | >= 6.12.70, < 6.12.75 |
| linux | linux_kernel | >= 6.18.10, < 6.18.14 |
| linux | linux_kernel | >= 6.19.1, < 6.19.4 |
| linux | linux_kernel | 6.19 |
Check a specific version with /api/v1/cve/match.
References
- https://git.kernel.org/stable/c/4d339b219004869e96c4ce56b8891f83a38da4c0
- https://git.kernel.org/stable/c/639deb962986ef2f5e2a6d5a600c66f922471e81
- https://git.kernel.org/stable/c/7425453ea16dbc3bbb0f6cac4d60b537e5e4d151
- https://git.kernel.org/stable/c/96e53bb3ee2f354cf6b4ab07bcc56e500f8b3f74
- https://git.kernel.org/stable/c/e66dcf7bb9c4df5582c82bc3582725abcbfbea73
- https://git.kernel.org/stable/c/ebbbc4bfad4cb355d17c671223d0814ee3ef4eda
- https://access.redhat.com/security/cve/CVE-2026-45972
- https://bugzilla.redhat.com/show_bug.cgi?id=2481973
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-45972.json
Query this programmatically:
curl https://evil-db.io/api/v1/cve/CVE-2026-45972