Incorrect calculation in Linux kernel - CVE-2026-46325

 

Incorrect calculation in Linux kernel - CVE-2026-46325

Published: June 10, 2026


Vulnerability identifier: #VU134175
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2026-46325
CWE-ID: CWE-682
Exploitation vector: Local access
Exploit availability: No public exploit available
Vendor: Linux Foundation
Affected software:
Linux kernel

Detailed vulnerability description

The vulnerability allows a local user to cause a denial of service.

The vulnerability exists due to improper memory address conversion in the RDMA RXE memory region handling code when processing memory regions with page sizes different from the system PAGE_SIZE. A local user can register or access a crafted memory region layout to cause a denial of service.

The issue can lead to incorrect iova-to-va translation and a kernel panic.


How to mitigate CVE-2026-46325

Install security update from vendor's repository.

Sources