CVE-2026-43261

EUVD-2026-27822
In the Linux kernel, the following vulnerability has been resolved:

arm64: Add support for TSV110 Spectre-BHB mitigation

The TSV110 processor is vulnerable to the Spectre-BHB (Branch History
Buffer) attack, which can be exploited to leak information through
branch prediction side channels. This commit adds the MIDR of TSV110
to the list for software mitigation.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
5.5 MEDIUM
LOCAL
LOW
LOW
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 6%
Affected Products (NVD)
VendorProductVersion
linuxlinux_kernel
5.10.105 ≤
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
vulnerable
bookworm (security)
6.1.170-1
fixed
bullseye
vulnerable
bullseye (security)
vulnerable
forky
6.19.14-1
fixed
sid
7.0.4-1
fixed
trixie
vulnerable
trixie (security)
6.12.86-1
fixed
Vulnerability Media Exposure
References
https://git.kernel.org/stable/c/598c11dd4f4a9de31d854fcb9702f54c1c70f0d0
https://git.kernel.org/stable/c/5dbe1f14359735fa50ba0dd4a496125b5bc7f422
https://git.kernel.org/stable/c/a8d0ad5d990b050a6db74218a34b5529085e16b8
https://git.kernel.org/stable/c/ad0c356cae164ed5dbd1f4cfd438e46faa5292cb
https://git.kernel.org/stable/c/cccf96c49f61e47d9332d6a4d1c7fe9a2df44440
https://git.kernel.org/stable/c/e3baa5d4b361276efeb87b20d8beced451a7dbd5
https://git.kernel.org/stable/c/fd51d47fcacec3ca027eb65d8c44853d3b6cea95
https://git.kernel.org/stable/c/fd7e360845d331f542854d552469544182e61134