CVE-2026-43261
Medium
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.
SeverityMedium
CVSS5.5
Exploit probability—
Product
Linux Kernel
PublishedMay 6, 2026
First seenMay 6, 2026
How to fix
Update
- linux linux_kernel5.10.252, 5.15.202, 6.1.165, 6.6.128, 6.12.75, 6.18.16, 6.19.6 or later
Patches
- git.kernel.org/stable/c/598c11dd4f4a9de31d854fcb9702f54c1c70f0d0
- git.kernel.org/stable/c/5dbe1f14359735fa50ba0dd4a496125b5bc7f422
- git.kernel.org/stable/c/a8d0ad5d990b050a6db74218a34b5529085e16b8
- git.kernel.org/stable/c/ad0c356cae164ed5dbd1f4cfd438e46faa5292cb
- git.kernel.org/stable/c/cccf96c49f61e47d9332d6a4d1c7fe9a2df44440
- git.kernel.org/stable/c/e3baa5d4b361276efeb87b20d8beced451a7dbd5
- git.kernel.org/stable/c/fd51d47fcacec3ca027eb65d8c44853d3b6cea95
- git.kernel.org/stable/c/fd7e360845d331f542854d552469544182e61134
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| linux linux_kernel | 5.10.105 ≤ v < 5.10.252, 5.11 ≤ v < 5.15.202, 5.16 ≤ v < 6.1.165, 6.2 ≤ v < 6.6.128, 6.7 ≤ v < 6.12.75, 6.13 ≤ v < 6.18.16, 6.19 ≤ v < 6.19.6 | 5.10.252, 5.15.202, 6.1.165, 6.6.128, 6.12.75, 6.18.16, 6.19.6 |
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