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THREAT OPS › Threat News › [NVD] CVE-2026-89436 (HIGH 7.8) — In the Linux kernel, the following vulnerability has been resolved: platform/x86: panasonic-laptop: Fix sentinel write past pcc->sinf[] acpi_pcc_retrieve_biosdata() rejects SINF packages only when pcc->num_sifr is strictly less than hkey->package.count, then unconditionally wri

[NVD] CVE-2026-89436 (HIGH 7.8) — In the Linux kernel, the following vulnerability has been resolved: platform/x86: panasonic-laptop: Fix sentinel write past pcc->sinf[] acpi_pcc_retrieve_biosdata() rejects SINF packages only when pcc->num_sifr is strictly less than hkey->package.count, then unconditionally wri

mednvdPublished 2026-09-11

CVE-2026-89436 CVSS: 7.8 HIGH Published: 2026-09-11T20:19:23.847

In the Linux kernel, the following vulnerability has been resolved:

platform/x86: panasonic-laptop: Fix sentinel write past pcc->sinf[]

acpi_pcc_retrieve_biosdata() rejects SINF packages only when pcc->num_sifr is strictly less than hkey->package.count, then unconditionally writes a trailing sentinel at pcc->sinf[hkey->package.cou

Indicators of compromise

CVE-2026-89436cve

Original source: https://nvd.nist.gov/vuln/detail/CVE-2026-89436