CVE-2023-3867

Critical

Description

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix out of bounds read in smb2_sess_setup ksmbd does not consider the case of that smb2 session setup is in compound request. If this is the second payload of the compound, OOB read issue occurs while processing the first payload in the smb2_sess_setup().

SeverityCritical
CVSS9.1
Exploit probability—
ProductLinux Kernel
PublishedAug 16, 2025
First seenAug 16, 2025

How to fix

Update
  • linux linux_kernel5.15.145, 6.1.40, 6.4.5 or later

Affected products

ProductAffected versionsFixed in
linux linux_kernel5.15 ≤ v < 5.15.145, 5.16 ≤ v < 6.1.40, 6.2 ≤ v < 6.4.55.15.145, 6.1.40, 6.4.5

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