CVE-2023-20555

Insufficient input validation in CpmDisplayFeatureSmm may allow an attacker to corrupt SMM memory by overwriting an arbitrary bit in an attacker-controlled pointer potentially leading to arbitrary code execution in SMM.

• amd ryzen 3 3300 firmware (< comboam4 pi v1 1.0.0.a) • amd ryzen 3 3300x firmware (< comboam4 pi v1 1.0.0.a) • amd ryzen 5 3600 firmware (< comboam4 pi v1 1.0.0.a) • amd ryzen 5 3600x firmware (< comboam4 pi v1 1.0.0.a) • amd ryzen 7 3700 firmware (< comboam4 pi v1 1.0.0.a) • amd ryzen 7 3700x firmware (< comboam4 pi v1 1.0.0.a) • amd ryzen 9 3800x firmware (< comboam4 pi v1 1.0.0.a) • amd ryzen 9 3850x firmware (< comboam4 pi v1 1.0.0.a) • amd ryzen 3 3300 firmware (< comboam4v2 pi 1.2.0.a) • amd ryzen 3 3300x firmware (< comboam4v2 pi 1.2.0.a) • amd ryzen 5 3600 firmware (< comboam4v2 pi 1.2.0.a) • amd ryzen 5 3600x firmware (< comboam4v2 pi 1.2.0.a) • amd ryzen 7 3700 firmware (< comboam4v2 pi 1.2.0.a) • amd ryzen 7 3700x firmware (< comboam4v2 pi 1.2.0.a) • amd ryzen 9 3800x firmware (< comboam4v2 pi 1.2.0.a) • amd ryzen 9 3850x firmware (< comboam4v2 pi 1.2.0.a) • amd ryzen 9 5950x firmware (< comboam4 v2 pi 1.2.0.a) • amd ryzen 9 5900x firmware (< comboam4 v2 pi 1.2.0.a) • amd ryzen 9 5900 firmware (< comboam4 v2 pi 1.2.0.a) • amd ryzen 9 pro 5945 firmware (< comboam4 v2 pi 1.2.0.a) • amd ryzen 7 5800x3d firmware (< comboam4 v2 pi 1.2.0.a) • amd ryzen 7 5800x firmware (< comboam4 v2 pi 1.2.0.a) • amd ryzen 7 5800 firmware (< comboam4 v2 pi 1.2.0.a) • amd ryzen 7 5700x firmware (< comboam4 v2 pi 1.2.0.a) • amd ryzen 7 pro 5845 firmware (< comboam4 v2 pi 1.2.0.a) • amd ryzen 5 5600x3d firmware (< comboam4 v2 pi 1.2.0.a) • amd ryzen 5 5600x firmware (< comboam4 v2 pi 1.2.0.a) • amd ryzen 5 5600 firmware (< comboam4 v2 pi 1.2.0.a) • amd ryzen 5 pro 5645 firmware (< comboam4 v2 pi 1.2.0.a) • amd ryzen 7 5700 firmware (< comboam4v2 pi 1.2.0.a) • amd ryzen 5 5500 firmware (< comboam4v2 pi 1.2.0.a) • amd ryzen 3 5100 firmware (< comboam4v2 pi 1.2.0.a) • amd ryzen 7 5700g firmware (< comboam4v2 pi 1.2.0.a) • amd ryzen 7 5700ge firmware (< comboam4v2 pi 1.2.0.a) • amd ryzen 5 5600g firmware (< comboam4v2 pi 1.2.0.a) • amd ryzen 5 5600ge firmware (< comboam4v2 pi 1.2.0.a) • amd ryzen 3 5300g firmware (< comboam4v2 pi 1.2.0.a) • amd ryzen 3 5300ge firmware (< comboam4v2 pi 1.2.0.a) • amd ryzen 9 7950x3d firmware (< comboam5 1.0.0.6) • amd ryzen 9 7950x firmware (< comboam5 1.0.0.6) • amd ryzen 9 7900x3d firmware (< comboam5 1.0.0.6) • amd ryzen 9 7900x firmware (< comboam5 1.0.0.6) • amd ryzen 9 7900 firmware (< comboam5 1.0.0.6) • amd ryzen 9 pro 7945 firmware (< comboam5 1.0.0.6) • amd ryzen 7 7800x3d firmware (< comboam5 1.0.0.6) • amd ryzen 7 7700x firmware (< comboam5 1.0.0.6) • amd ryzen 7 7700 firmware (< comboam5 1.0.0.6) • amd ryzen 7 pro 7745 firmware (< comboam5 1.0.0.6) • amd ryzen 5 7600x firmware (< comboam5 1.0.0.6) • amd ryzen 5 7600 firmware (< comboam5 1.0.0.6) • amd ryzen 5 pro 7645 firmware (< comboam5 1.0.0.6) • amd ryzen 5 7500f firmware (< comboam5 1.0.0.6) • amd ryzen 4700s firmware (< comboam4v2 pi 1.2.0.a) • amd ryzen 5 4500 firmware (< comboam4v2 pi 1.2.0.a) • amd ryzen 3 4100 firmware (< comboam4v2 pi 1.2.0.a) • amd athlon pro 300ge firmware (< comboam4piv1 1.0.0.a) • amd athlon gold 3150ge firmware (< comboam4piv1 1.0.0.a) • amd athlon gold pro 3150ge firmware (< comboam4piv1 1.0.0.a) • amd athlon gold 3150g firmware (< comboam4piv1 1.0.0.a) • amd athlon gold pro 3150g firmware (< comboam4piv1 1.0.0.a) … and 72 more