CVE-2026-14968AMD MmSaveStateLib SysCall path performs out-of-bounds writes for partial save-state reads

Descripción

EDK2 contains vulnerabilities in BIOS where skilled and privileged users or attackers may cause “Out-of-bounds Write” by local access. Successful exploitation of this vulnerability could compromise SMM handler integrity, cause system instability, and lead to denial of service. It could also impact Integrity and Availability.

Datos: CVE.org, NVD, CISA KEV, FIRST EPSS, Ubuntu. Se publican tal como los indican las fuentes, en inglés.

Productos y versiones afectados

Referencias y parches

• https://github.com/tianocore/edk2/security/advisories/GHSA-979r-6wfh-gq4h