CVE-2026-43261
arm64: Add support for TSV110 Spectre-BHB mitigation
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.
INFO
Published Date :
May 6, 2026, 12:16 p.m.
Last Modified :
May 6, 2026, 1:07 p.m.
Remotely Exploit :
No
Source :
416baaa9-dc9f-4396-8d5f-8c081fb06d67
Affected Products
The following products are affected by CVE-2026-43261
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
No affected product recoded yet
Solution
- Update the Linux kernel to a version with the mitigation.
- Apply processor-specific Spectre-BHB software mitigations.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-43261.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-43261 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-43261
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-43261 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-43261 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
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New CVE Received by 416baaa9-dc9f-4396-8d5f-8c081fb06d67
May. 06, 2026
Action Type Old Value New Value Added 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. Added Reference https://git.kernel.org/stable/c/598c11dd4f4a9de31d854fcb9702f54c1c70f0d0 Added Reference https://git.kernel.org/stable/c/5dbe1f14359735fa50ba0dd4a496125b5bc7f422 Added Reference https://git.kernel.org/stable/c/a8d0ad5d990b050a6db74218a34b5529085e16b8 Added Reference https://git.kernel.org/stable/c/ad0c356cae164ed5dbd1f4cfd438e46faa5292cb Added Reference https://git.kernel.org/stable/c/cccf96c49f61e47d9332d6a4d1c7fe9a2df44440 Added Reference https://git.kernel.org/stable/c/e3baa5d4b361276efeb87b20d8beced451a7dbd5 Added Reference https://git.kernel.org/stable/c/fd51d47fcacec3ca027eb65d8c44853d3b6cea95 Added Reference https://git.kernel.org/stable/c/fd7e360845d331f542854d552469544182e61134