CVE-2026-43184 Details
Description
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.
A vulnerability exists in the Linux kernel's rnbd-srv component, where the response message buffer is not properly initialized before use. This issue has been addressed by ensuring that the buffer is cleared, preventing any residual data from being sent to the client. The vulnerability arises during the exchange of messages between different protocol versions, which could lead to the client receiving unintended stray bytes.
Users can update to the latest version of the Linux kernel where this vulnerability has been fixed. Instructions for downloading the patched version are available on the official Linux kernel website.
Metrics
CVSS 4.0 Severity and Vector Strings:
No CVSS 4.0 data is available for this CVE.
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
No SSVC data is available for this CVE.
References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://git.kernel.org/stable/c/30868a6a5238849d554295aff3ce61d242d7fad8 | kernel.org | Patch |
| https://git.kernel.org/stable/c/69d26698e4fd44935510553809007151b2fe4db5 | kernel.org | Patch |
| https://git.kernel.org/stable/c/7aac0a30dcf41cdb510526740d9a2ab1520c5d98 | kernel.org | Patch |
| https://git.kernel.org/stable/c/852475278ca5e96e0c0275950e1a84203e602b33 | kernel.org | Patch |
| https://git.kernel.org/stable/c/b646e54d23b9b592d612a2036aab14e0f6c14206 | kernel.org | Patch |
| https://git.kernel.org/stable/c/c94ede3c436dfbd9cedd9cb69f604f6fc901b6a2 | kernel.org | Patch |
| https://git.kernel.org/stable/c/e2cacec7d4291300a282feb3af8eba57b93b15aa | kernel.org | Patch |
| https://git.kernel.org/stable/c/e4272754063d52c9ad0169865add8816ba696471 | kernel.org | Patch |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| NVD-CWE-noinfo | Insufficient Information to Classify Weakness | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| linux linux kernel | >= 5.8, < 5.10.252 >= 5.11, < 5.15.202 >= 5.16, < 6.1.165 >= 6.2, < 6.6.128 >= 6.7, < 6.12.75 >= 6.13, < 6.18.16 >= 6.19, < 6.19.6 |
CPE
Remediation
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Change History
4 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jun 17, 2026 | CVE Modified | kernel.org |
| May 11, 2026 | Initial Analysis | [email protected] |
| May 8, 2026 | CVE Modified | kernel.org |
| May 6, 2026 | New CVE Received | kernel.org |