Vulnerability in Linux
CVE-2026-23428
In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix use-after-free of share_conf in compound request smb2_get_ksmbd_tcon() reuses work->tcon in compound requests without validating tcon->t_state. ksmbd_tree_con…
EPSS: 0.000 (9.6th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Linux — versions 6.1.167, d1066c1b3663401cd23c0d6e60cdae750ce00c0f, 5.15.203
References
- git.kernel.org/stable/c/d08417981155883068b7260d9500ca306a03edac
- git.kernel.org/stable/c/eae0dc86f71e6f3294c0cd7ffc05039258d243af
- git.kernel.org/stable/c/806f13752652216db0c309392b4db3e64eeed4f2
- git.kernel.org/stable/c/c742b46a153d3ff95ff0825ab1950c87b9e14470
- git.kernel.org/stable/c/7f7468fd2a7554cea91b7d430335a3dbf01dcc09
- git.kernel.org/stable/c/a5929c2020ce54e1dcbd1078c0f30b8aaf73c105
- git.kernel.org/stable/c/c33615f995aee80657b9fdfbc4ee7f49c2bd733d
Frequently asked questions
- What is CVE-2026-23428?
- CVE-2026-23428 is a critical-severity vulnerability in Linux. CVSS score: 9.8/10. Published 2026-04-03.
- How severe is CVE-2026-23428?
- Critical severity. CVSS v3 base score is 9.8 out of 10.