CVE-2023-52479
Medium
Elevated severity or exploit probability.
CVSS base
8.8
HIGH
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS — probability of exploitation (30 days)
0.6%
47.5th percentile
CISA KEV
Not listed
Weakness / dates
CWE-416
Published 2024-02-29 · modified 2026-08-15
CVSS breakdown
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
| Attack Vector | N | Network |
| Attack Complexity | L | Low |
| Privileges Required | L | Low |
| User Interaction | N | None |
| Scope | U | Unchanged |
| Confidentiality | H | High |
| Integrity | H | High |
| Availability | H | High |
Timeline
- 2024-02-29 — Published (NVD)
- 2026-08-15 — Last modified (NVD)
Description
In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix uaf in smb20_oplock_break_ack drop reference after use opinfo.
Affected
References
- https://git.kernel.org/stable/c/694e13732e830cbbfedb562e57f28644927c33fd
- https://git.kernel.org/stable/c/8226ffc759ea59f10067b9acdf7f94bae1c69930
- https://git.kernel.org/stable/c/c69813471a1ec081a0b9bf0c6bd7e8afd818afce
- https://git.kernel.org/stable/c/d5b0e9d3563e7e314a850e81f42b2ef6f39882f9
- https://git.kernel.org/stable/c/694e13732e830cbbfedb562e57f28644927c33fd
- https://git.kernel.org/stable/c/8226ffc759ea59f10067b9acdf7f94bae1c69930
- https://git.kernel.org/stable/c/c69813471a1ec081a0b9bf0c6bd7e8afd818afce
- https://git.kernel.org/stable/c/d5b0e9d3563e7e314a850e81f42b2ef6f39882f9