High 7.5Published May 6, 2026

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

Updated under an hour ago (Oct 28, 2026, 2:20 AM ET)

Does this affect you?

It affects Linux and 1 other product. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

Do this next

Start free and add your stack

Free account, 1 product

Every CVE for Linux

Exploited in the last 30 days

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.

CVSS: 7.5 HIGH (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Weakness (CWE): Not given
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: Linux
NVD analysis: Analyzed
Record last updated: Aug 5, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Linux Linux linux:linux (from the name)	from 2de6c8de192b9341ffa5e84afe1ce6196d4eef41 before e4272754063d52c9ad0169865add8816ba696471; from 2de6c8de192b9341ffa5e84afe1ce6196d4eef41 before e2cacec7d4291300a282feb3af8eba57b93b15aa; from 2de6c8de192b9341ffa5e84afe1ce6196d4eef41 before b646e54d23b9b592d612a2036aab14e0f6c14206; from 2de6c8de192b9341ffa5e84afe1ce6196d4eef41 before 30868a6a5238849d554295aff3ce61d242d7fad8; from 2de6c8de192b9341ffa5e84afe1ce6196d4eef41 before 7aac0a30dcf41cdb510526740d9a2ab1520c5d98; from 2de6c8de192b9341ffa5e84afe1ce6196d4eef41 before c94ede3c436dfbd9cedd9cb69f604f6fc901b6a2; from 2de6c8de192b9341ffa5e84afe1ce6196d4eef41 before 852475278ca5e96e0c0275950e1a84203e602b33; from 2de6c8de192b9341ffa5e84afe1ce6196d4eef41 before 69d26698e4fd44935510553809007151b2fe4db5	CNA record
linux linux_kernel linux:linux_kernel	from 5.8 before 5.10.252; from 5.11 before 5.15.202; from 5.16 before 6.1.165; from 6.2 before 6.6.128; from 6.7 before 6.12.75; from 6.13 before 6.18.16; from 6.19 before 6.19.6	NVD

References

References

https://git.kernel.org/stable/c/e4272754063d52c9ad0169865add8816ba696471	patch
https://git.kernel.org/stable/c/e2cacec7d4291300a282feb3af8eba57b93b15aa	patch
https://git.kernel.org/stable/c/b646e54d23b9b592d612a2036aab14e0f6c14206	patch
https://git.kernel.org/stable/c/30868a6a5238849d554295aff3ce61d242d7fad8	patch
https://git.kernel.org/stable/c/7aac0a30dcf41cdb510526740d9a2ab1520c5d98	patch
https://git.kernel.org/stable/c/c94ede3c436dfbd9cedd9cb69f604f6fc901b6a2	patch
https://git.kernel.org/stable/c/852475278ca5e96e0c0275950e1a84203e602b33	patch
https://git.kernel.org/stable/c/69d26698e4fd44935510553809007151b2fe4db5	patch

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.