CVE-2026-43261 (GCVE-0-2026-43261)

Vulnerability from cvelistv5 – Published: 2026-05-06 11:28 – Updated: 2026-05-06 11:28
VLAI?
Title
arm64: Add support for TSV110 Spectre-BHB mitigation
Summary
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.
Severity ?
No CVSS data available.
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < 598c11dd4f4a9de31d854fcb9702f54c1c70f0d0 (git)
Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < a8d0ad5d990b050a6db74218a34b5529085e16b8 (git)
Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < cccf96c49f61e47d9332d6a4d1c7fe9a2df44440 (git)
Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < fd7e360845d331f542854d552469544182e61134 (git)
Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < 5dbe1f14359735fa50ba0dd4a496125b5bc7f422 (git)
Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < fd51d47fcacec3ca027eb65d8c44853d3b6cea95 (git)
Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < ad0c356cae164ed5dbd1f4cfd438e46faa5292cb (git)
Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < e3baa5d4b361276efeb87b20d8beced451a7dbd5 (git)
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    Linux Linux Unaffected: 5.10.252 , ≤ 5.10.* (semver)
Unaffected: 5.15.202 , ≤ 5.15.* (semver)
Unaffected: 6.1.165 , ≤ 6.1.* (semver)
Unaffected: 6.6.128 , ≤ 6.6.* (semver)
Unaffected: 6.12.75 , ≤ 6.12.* (semver)
Unaffected: 6.18.16 , ≤ 6.18.* (semver)
Unaffected: 6.19.6 , ≤ 6.19.* (semver)
Unaffected: 7.0 , ≤ * (original_commit_for_fix)
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{
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          "programFiles": [
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        }
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      "providerMetadata": {
        "dateUpdated": "2026-05-06T11:28:48.823Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
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    "dateReserved": "2026-05-01T14:12:55.997Z",
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    "state": "PUBLISHED"
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}


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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.