CVE-2026-43184

rnbd-srv: Zero the rsp buffer before using it

State: Published
Severity: 7.5 High
Published: May 6, 2026
Updated: Aug 5, 2026
Reserved: May 1, 2026

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.

Scores

CVSS	Score	Vector	Source
3.1	7.5 High	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N	Linux

Weaknesses

The record names no weakness.

Affected Products

Product	Versions
LinuxLinux	2de6c8de192b9341ffa5e84afe1ce6196d4eef41 to before e4272754063d52c9ad0169865add8816ba696471Affected 2de6c8de192b9341ffa5e84afe1ce6196d4eef41 to before e2cacec7d4291300a282feb3af8eba57b93b15aaAffected 2de6c8de192b9341ffa5e84afe1ce6196d4eef41 to before b646e54d23b9b592d612a2036aab14e0f6c14206Affected 2de6c8de192b9341ffa5e84afe1ce6196d4eef41 to before 30868a6a5238849d554295aff3ce61d242d7fad8Affected 2de6c8de192b9341ffa5e84afe1ce6196d4eef41 to before 7aac0a30dcf41cdb510526740d9a2ab1520c5d98Affected 2de6c8de192b9341ffa5e84afe1ce6196d4eef41 to before c94ede3c436dfbd9cedd9cb69f604f6fc901b6a2Affected 2de6c8de192b9341ffa5e84afe1ce6196d4eef41 to before 852475278ca5e96e0c0275950e1a84203e602b33Affected 2de6c8de192b9341ffa5e84afe1ce6196d4eef41 to before 69d26698e4fd44935510553809007151b2fe4db5Affected
LinuxLinux	5.8Affected before 5.8Not affected 5.10.252 through 5.10.Not affected 5.15.202 through 5.15.Not affected 6.1.165 through 6.1.Not affected 6.6.128 through 6.6.Not affected 6.12.75 through 6.12.Not affected 6.18.16 through 6.18.Not affected 6.19.6 through 6.19.*Not affected 7.0 and laterNot affected

Product

Versions

LinuxLinux

2de6c8de192b9341ffa5e84afe1ce6196d4eef41 to before e4272754063d52c9ad0169865add8816ba696471Affected
2de6c8de192b9341ffa5e84afe1ce6196d4eef41 to before e2cacec7d4291300a282feb3af8eba57b93b15aaAffected
2de6c8de192b9341ffa5e84afe1ce6196d4eef41 to before b646e54d23b9b592d612a2036aab14e0f6c14206Affected
2de6c8de192b9341ffa5e84afe1ce6196d4eef41 to before 30868a6a5238849d554295aff3ce61d242d7fad8Affected
2de6c8de192b9341ffa5e84afe1ce6196d4eef41 to before 7aac0a30dcf41cdb510526740d9a2ab1520c5d98Affected
2de6c8de192b9341ffa5e84afe1ce6196d4eef41 to before c94ede3c436dfbd9cedd9cb69f604f6fc901b6a2Affected
2de6c8de192b9341ffa5e84afe1ce6196d4eef41 to before 852475278ca5e96e0c0275950e1a84203e602b33Affected
2de6c8de192b9341ffa5e84afe1ce6196d4eef41 to before 69d26698e4fd44935510553809007151b2fe4db5Affected

LinuxLinux

5.8Affected
before 5.8Not affected
5.10.252 through 5.10.*Not affected
5.15.202 through 5.15.*Not affected
6.1.165 through 6.1.*Not affected
6.6.128 through 6.6.*Not affected
6.12.75 through 6.12.*Not affected
6.18.16 through 6.18.*Not affected
6.19.6 through 6.19.*Not affected
7.0 and laterNot affected

References

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