CVE-2026-43378
critical · 9.8In the Linux kernel, the following vulnerability has been resolved: smb: server: fix use-after-free in smb2_open() The opinfo pointer obtained via rcu_dereference(fp->f_opinfo) is dereferenced after rcu_read_unlock(), creating a use-after-free window.
9.8
CVSS
0.3%
EPSS (exploit prob.)
24th
EPSS percentile
2026-05-08
Published
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weaknesses
CWE-416
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| linux | linux_kernel | >= 5.15, < 6.1.167 |
| linux | linux_kernel | >= 6.2, < 6.6.130 |
| linux | linux_kernel | >= 6.7, < 6.12.78 |
| linux | linux_kernel | >= 6.13, < 6.18.19 |
| linux | linux_kernel | >= 6.19, < 6.19.9 |
| linux | linux_kernel | 7.0 |
| linux | linux_kernel | 7.0 |
| linux | linux_kernel | 7.0 |
Check a specific version with /api/v1/cve/match.
References
- https://git.kernel.org/stable/c/190e5f808e8058640b408ccfed25440b441a718a
- https://git.kernel.org/stable/c/1e689a56173827669a35da7cb2a3c78ed5c53680
- https://git.kernel.org/stable/c/54b48ae83de8bb06e65079d96368efe359d4909c
- https://git.kernel.org/stable/c/8f5b1a7cb009a93c48e9e334a2f59a660f9afc07
- https://git.kernel.org/stable/c/b720c84087cb547f23ce03eab93568c1769e4556
- https://git.kernel.org/stable/c/e1b21e6066615e7d3d3a7aa2677e415e563fd7cc
Query this programmatically:
curl https://evil-db.io/api/v1/cve/CVE-2026-43378