https://patchthecve.com/CVEs with upgrade or downgrade fix stepshttps://patchthecve.com/cve/CVE-2025-62864.htmlhttps://patchthecve.com/cve/CVE-2025-62864.htmlTue, 13 Oct 2026 11:10:00 +0000CRITICAL 9.8: Ampere AmpereOne AC03 devices before 3.5.9.3, AmpereOne AC04 devices before 4.4.5.2, and AmpereOne M devices before 5.4.5.1 allow an incorrectly formed SMC call to UEFI-MM MMCommunicate service that could result in an out-of-bounds write within the UEFI-MM Secure Partition context.https://patchthecve.com/cve/CVE-2025-62863.htmlhttps://patchthecve.com/cve/CVE-2025-62863.htmlTue, 13 Oct 2026 11:10:00 +0000CRITICAL 9.8: Ampere AmpereOne AC03 devices before 3.5.9.3, AmpereOne AC04 devices before 4.4.5.2, and AmpereOne M devices before 5.4.5.1 allow an incorrectly formed SMC call to UEFI-MM PCIe driver that could result in an out-of-bounds write within PCIe driver’s S-EL0 address space.https://patchthecve.com/cve/CVE-2025-62862.htmlhttps://patchthecve.com/cve/CVE-2025-62862.htmlTue, 13 Oct 2026 11:10:00 +0000MEDIUM 4.6: Ampere AmpereOne AC03 devices before 3.5.9.3, AmpereOne AC04 devices before 4.4.5.2, and AmpereOne M devices before 5.4.5.1 allow an incorrectly formed SMC call to UEFI-MM Boot Error Record Table driver that could result in (1) an out-of-bounds read which leaks Secure-EL0 information to a process ru