CVE-2025-21748

Critical

Description

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix integer overflows on 32 bit systems On 32bit systems the addition operations in ipc_msg_alloc() can potentially overflow leading to memory corruption. Add bounds checking using KSMBD_IPC_MAX_PAYLOAD to avoid overflow.

SeverityCritical
CVSS9.8
Exploit probability—
ProductLinux Kernel
PublishedFeb 27, 2025
First seenFeb 27, 2025

How to fix

Update
  • linux linux_kernel6.1.129, 6.6.78, 6.12.14, 6.13.3 or later

Affected products

ProductAffected versionsFixed in
linux linux_kernel5.15 ≤ v < 6.1.129, 6.2 ≤ v < 6.6.78, 6.7 ≤ v < 6.12.14, 6.13 ≤ v < 6.13.36.1.129, 6.6.78, 6.12.14, 6.13.3

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