CVE-2023-20585
- CVSS 4.0
- 5.6 medium
- EPSS
- <1%p1
- Published
- ·
- Modified
Description · NVD
Insufficient checks of the RMP on host buffer access in IOMMU may allow an attacker with privileges and a compromised hypervisor to trigger an out of bounds condition without RMP checks, resulting in a potential loss of confidential guest integrity.
- Weakness
- CWE-788
- Vector
- CVSS:4.0/AV:L/AC:H/AT:N/PR:H/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
In the news
7 storiesUSN-8888-2: Linux kernel (Azure) vulnerabilities
Ubuntu patched Azure Linux kernels, including AMD SEV-SNP flaw CVE-2023-20585 that a local hypervisor attacker could abuse.
USN-8887-2: Linux kernel (AWS) vulnerabilities
Ubuntu's USN-8887-2 patches AWS Linux kernels, including AMD SEV-SNP issue CVE-2023-20585 exploitable by a hypervisor attacker.
USN-8887-3: Linux kernel vulnerabilities
Ubuntu patched Linux kernel flaws, including AMD SEV-SNP issue CVE-2023-20585.
USN-8888-1: Linux kernel (Azure) vulnerabilities
Ubuntu’s USN-8888-1 patches Azure Linux kernel flaws, including AMD SEV-SNP bug CVE-2023-20585.
USN-8887-1: Linux kernel vulnerabilities
Ubuntu patched Linux kernel flaws, including an AMD SEV-SNP memory integrity issue tracked as CVE-2023-20585.
USN-8889-1: Linux kernel (OEM) vulnerabilities
Ubuntu patched OEM Linux kernel flaws, including AMD SEV-SNP issue CVE-2023-20585.