CVE-2023-4515
Critical
Description
In the Linux kernel, the following vulnerability has been resolved: ksmbd: validate command request size In commit 2b9b8f3b68ed ("ksmbd: validate command payload size"), except for SMB2_OPLOCK_BREAK_HE command, the request size of other commands is not checked, it's not expected. Fix it by add check for request size of other commands.
SeverityCritical
CVSS9.1
Exploit probability—
Product
Linux Kernel
PublishedAug 16, 2025
First seenAug 16, 2025
How to fix
Update
- linux linux_kernel5.15.127, 6.1.46, 6.4, 6.4.11 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| linux linux_kernel | 5.15.121 ≤ v < 5.15.127, 6.1.36 ≤ v < 6.1.46, 6.3.10 ≤ v < 6.4, 6.4.1 ≤ v < 6.4.11, 6.4, 6.5 | 5.15.127, 6.1.46, 6.4, 6.4.11 |
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