CVE-2026-43184
rnbd-srv: Zero the rsp buffer before using it
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.
INFO
Published Date :
May 6, 2026, 12:16 p.m.
Last Modified :
May 8, 2026, 1:16 p.m.
Remotely Exploit :
Yes !
Source :
416baaa9-dc9f-4396-8d5f-8c081fb06d67
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | HIGH | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 |
Solution
- Apply the patch to zero the response buffer.
- Ensure response buffers are always initialized.
- Validate data exchanged between protocol versions.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-43184.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-43184 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-43184
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
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The following list is the news that have been mention
CVE-2026-43184 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-43184 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
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CVE Modified by 416baaa9-dc9f-4396-8d5f-8c081fb06d67
May. 08, 2026
Action Type Old Value New Value Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N -
New CVE Received by 416baaa9-dc9f-4396-8d5f-8c081fb06d67
May. 06, 2026
Action Type Old Value New Value Added 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. Added Reference https://git.kernel.org/stable/c/30868a6a5238849d554295aff3ce61d242d7fad8 Added Reference https://git.kernel.org/stable/c/69d26698e4fd44935510553809007151b2fe4db5 Added Reference https://git.kernel.org/stable/c/7aac0a30dcf41cdb510526740d9a2ab1520c5d98 Added Reference https://git.kernel.org/stable/c/852475278ca5e96e0c0275950e1a84203e602b33 Added Reference https://git.kernel.org/stable/c/b646e54d23b9b592d612a2036aab14e0f6c14206 Added Reference https://git.kernel.org/stable/c/c94ede3c436dfbd9cedd9cb69f604f6fc901b6a2 Added Reference https://git.kernel.org/stable/c/e2cacec7d4291300a282feb3af8eba57b93b15aa Added Reference https://git.kernel.org/stable/c/e4272754063d52c9ad0169865add8816ba696471