CVE-2023-53399
Medium
Elevated severity or exploit probability.
CVSS base
7.5
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS — probability of exploitation (30 days)
0.3%
20.7th percentile
CISA KEV
Not listed
Weakness / dates
CWE-476
Published 2025-09-18 · modified 2026-08-04
CVSS breakdown
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
| Attack Vector | N | Network |
| Attack Complexity | L | Low |
| Privileges Required | N | None |
| User Interaction | N | None |
| Scope | U | Unchanged |
| Confidentiality | N | None |
| Integrity | N | None |
| Availability | H | High |
Timeline
- 2025-09-18 — Published (NVD)
- 2026-08-04 — Last modified (NVD)
Description
In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix NULL pointer dereference in smb2_get_info_filesystem() If share is , share->path is NULL and it cause NULL pointer dereference issue.
Affected
References
- https://git.kernel.org/stable/c/1636e09779f83e10e6ed57d91ef94abcefdd206b
- https://git.kernel.org/stable/c/227eb2689b44d0d60da3839b146983e73435924c
- https://git.kernel.org/stable/c/3ac00a2ab69b34189942afa9e862d5170cdcb018
- https://git.kernel.org/stable/c/a70751dd7b60eab025e97e19b6b2477c6eaf2bbb
- https://git.kernel.org/stable/c/b35f6c031b87d9e51f141ff6de0ea59756a8e313