CVE-2026-43184

EUVD-2026-27744
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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
7.5 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Base Score
CVSS 3.x
EPSS Score
Percentile: 35%
Affected Products (NVD)
VendorProductVersion
linuxlinux_kernel
5.8 ≤
𝑥
< 5.10.252
linuxlinux_kernel
5.11 ≤
𝑥
< 5.15.202
linuxlinux_kernel
5.16 ≤
𝑥
< 6.1.165
linuxlinux_kernel
6.2 ≤
𝑥
< 6.6.128
linuxlinux_kernel
6.7 ≤
𝑥
< 6.12.75
linuxlinux_kernel
6.13 ≤
𝑥
< 6.18.16
linuxlinux_kernel
6.19 ≤
𝑥
< 6.19.6
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
linux
bookworm
6.1.170-3
fixed
bookworm (security)
6.1.174-1
fixed
bullseye
vulnerable
bullseye (security)
5.10.257-1
fixed
forky
7.0.12-2
fixed
sid
7.0.13-1
fixed
trixie
6.12.86-1
fixed
trixie (security)
6.12.94-1
fixed
Vulnerability Media Exposure
References
https://git.kernel.org/stable/c/30868a6a5238849d554295aff3ce61d242d7fad8
https://git.kernel.org/stable/c/69d26698e4fd44935510553809007151b2fe4db5
https://git.kernel.org/stable/c/7aac0a30dcf41cdb510526740d9a2ab1520c5d98
https://git.kernel.org/stable/c/852475278ca5e96e0c0275950e1a84203e602b33
https://git.kernel.org/stable/c/b646e54d23b9b592d612a2036aab14e0f6c14206
https://git.kernel.org/stable/c/c94ede3c436dfbd9cedd9cb69f604f6fc901b6a2
https://git.kernel.org/stable/c/e2cacec7d4291300a282feb3af8eba57b93b15aa
https://git.kernel.org/stable/c/e4272754063d52c9ad0169865add8816ba696471