CVE-2026-43184 HIGH

CVE-2026-43184: rnbd-srv: Zero the rsp buffer before using it

Vendor Linux
Product Linux
Published May 6, 2026
Last update May 11, 2026

CVSS base score

7.5/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality High
Integrity None

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

What the vulnerability does

01Description

In the Linux kernel, the following vulnerability has been resolved: rnbd-srv: Zero the rsp buffer before using it Before using the data buffer to send back the response message, zero it completely. This prevents any stray bytes to be picked up by the client side when there the message is exchanged between different protocol versions.

Key dates

02Disclosure timeline

May 6, 2026 CVE published
May 11, 2026 Record updated