CVE-2026-43261

MEDIUM

arm64: Add support for TSV110 Spectre-BHB mitigation

Title source: cna

Description

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.

References (8)

Core 8

Core References

https://git.kernel.org/stable/c/598c11dd4f4a9de31d854fcb9702f54c1c70f0d0

https://git.kernel.org/stable/c/a8d0ad5d990b050a6db74218a34b5529085e16b8

https://git.kernel.org/stable/c/cccf96c49f61e47d9332d6a4d1c7fe9a2df44440

https://git.kernel.org/stable/c/fd7e360845d331f542854d552469544182e61134

https://git.kernel.org/stable/c/5dbe1f14359735fa50ba0dd4a496125b5bc7f422

https://git.kernel.org/stable/c/fd51d47fcacec3ca027eb65d8c44853d3b6cea95

https://git.kernel.org/stable/c/ad0c356cae164ed5dbd1f4cfd438e46faa5292cb

https://git.kernel.org/stable/c/e3baa5d4b361276efeb87b20d8beced451a7dbd5

Scores

CVSS v3 5.5

EPSS 0.0013

EPSS Percentile 2.8%

Attack Vector LOCAL

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Details

Status published

Products (46)

linux/Kernel < 5.10.252linux

linux/Kernel 5.11.0 - 5.15.202linux

linux/Kernel 5.16.0 - 6.1.165linux

linux/Kernel 5.17.0 - 6.6.128linux

linux/Kernel 6.13.0 - 6.19.6linux

linux/Kernel 6.2.0 - 6.12.75linux

linux/Kernel 6.7.0 - 6.18.16linux

Linux/Linux < 5.17

Linux/Linux 0b2bf1b37b5ebd90e69e30d8c2d6e1cd0c1f37b4

Linux/Linux 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 - 598c11dd4f4a9de31d854fcb9702f54c1c70f0d0

... and 36 more

Published May 06, 2026

Tracked Since May 06, 2026