Priority MEDIUM 49
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 ou…
CVSS 3.1CRITICAL 9.8· Network · No auth · No interaction · EPSS 0.00365 · Published 2025-12-16 · No fix listed CWE-787
Priority MEDIUM 49
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-bound…
CVSS 3.1CRITICAL 9.8· Network · No auth · No interaction · EPSS 0.00365 · Published 2025-12-16 · No fix listed CWE-787
Priority LOW 20
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…
CVSS 3.1MEDIUM 4.6· Local · High privileges · No interaction · EPSS 0.00125 · Published 2025-12-16 · No fix listed CWE-125
Priority MEDIUM 50
In Ampere AltraMax and Ampere Altra before 2.10c, improper access controls allows the OS to reinitialize a disabled root complex.
CVSS 3.1CRITICAL 9.8· Network · No auth · No interaction · EPSS 0.00621 · Published 2023-02-15 · No fix listed CWE-284
Priority LOW 30
Ampere Altra and Ampere Altra Max devices through 2022-07-15 allow attacks via Hertzbleed, which is a power side-channel attack that extracts secret information from the CPU by correlating the power consumption with data…
CVSS 3.1MEDIUM 6.5· Network · No auth · User interaction · EPSS 0.00713 · Published 2022-09-29 · No fix listed CWE-203
Priority LOW 33
Ampere Altra devices before 1.08g and Ampere Altra Max devices before 2.05a allow attackers to control the predictions for return addresses and potentially hijack code flow to execute arbitrary code via a side-channel at…
CVSS 3.1HIGH 7.8· Local · Low privileges · No interaction · EPSS 0.00224 · Published 2022-08-17 · No fix listed CWE-203
Priority LOW 34
Ampere Altra before SRP 1.08b and Altra Max before SRP 2.05 allow information disclosure of power telemetry via HWmon.
CVSS 3.1HIGH 7.5· Network · No auth · No interaction · EPSS 0.00759 · Published 2022-08-17 · No fix listed
Priority MEDIUM 45
On Ampere Altra and AltraMax devices before SRP 1.09, the Altra reference design of UEFI accesses allows insecure access to SPI-NOR by the OS/hypervisor component.
CVSS 3.1CRITICAL 9.8· Network · No auth · No interaction · EPSS 0.01346 · Published 2022-06-30 · No fix listed
Priority LOW 21
Spectre BHB is a variant of Spectre-v2 in which malicious code uses the shared branch history (stored in the CPU BHB) to influence mispredicted branches in the victim's hardware context.
CVSS 3.1MEDIUM 4.7· Local · Low privileges · No interaction · EPSS 0.00299 · Published 2022-03-09 · No fix listed