CVE-2020-12965

CVE-2020-12965 describes transient execution of non-canonical accesses on AMD CPUs, where specific software sequences may cause non-canonical loads and stores to be executed using only the lower 48 address bits, potentially leaking data. The root cause is non-canonical address handling that can l...

CVE-2021-26316

CVE-2021-26316 describes a BIOS-level input/communication buffer validation flaw in AMD platforms that may allow a local attacker with low privileges to tamper BIOS buffers and trigger SMM (System Management Mode) arbitrary code execution. Connected sources confirm the root cause is inadequate va...