Total
81 CVE
| CVE | Vendors | Products | Updated | CVSS v2 | CVSS v3 |
|---|---|---|---|---|---|
| CVE-2021-26316 | 1 Amd | 294 Athlon 3050ge, Athlon 3050ge Firmware, Athlon 3150g and 291 more | 2023-12-10 | N/A | 7.8 HIGH |
| Failure to validate the communication buffer and communication service in the BIOS may allow an attacker to tamper with the buffer resulting in potential SMM (System Management Mode) arbitrary code execution. | |||||
| CVE-2023-20529 | 1 Amd | 100 Epyc 7002, Epyc 7002 Firmware, Epyc 7003 and 97 more | 2023-12-10 | N/A | 7.5 HIGH |
| Insufficient bound checks in the SMU may allow an attacker to update the from/to address space to an invalid value potentially resulting in a denial of service. | |||||
| CVE-2021-26328 | 1 Amd | 48 Epyc 7003, Epyc 7003 Firmware, Epyc 72f3 and 45 more | 2023-12-10 | N/A | 4.4 MEDIUM |
| Failure to verify the mode of CPU execution at the time of SNP_INIT may lead to a potential loss of memory integrity for SNP guests. | |||||
| CVE-2021-46778 | 1 Amd | 358 Athlon 3050ge, Athlon 3050ge Firmware, Athlon 3150g and 355 more | 2023-12-10 | N/A | 5.6 MEDIUM |
| Execution unit scheduler contention may lead to a side channel vulnerability found on AMD CPU microarchitectures codenamed “Zen 1”, “Zen 2” and “Zen 3” that use simultaneous multithreading (SMT). By measuring the contention level on scheduler queues an attacker may potentially leak sensitive information. | |||||
| CVE-2021-26347 | 1 Amd | 98 Epyc 7002, Epyc 7002 Firmware, Epyc 7232p and 95 more | 2023-12-10 | 4.7 MEDIUM | 4.7 MEDIUM |
| Failure to validate the integer operand in ASP (AMD Secure Processor) bootloader may allow an attacker to introduce an integer overflow in the L2 directory table in SPI flash resulting in a potential denial of service. | |||||
| CVE-2021-26324 | 1 Amd | 46 Epyc 72f3, Epyc 72f3 Firmware, Epyc 7313 and 43 more | 2023-12-10 | 7.2 HIGH | 7.8 HIGH |
| A bug with the SEV-ES TMR may lead to a potential loss of memory integrity for SNP-active VMs. | |||||
| CVE-2021-46771 | 1 Amd | 46 Epyc 72f3, Epyc 72f3 Firmware, Epyc 7313 and 43 more | 2023-12-10 | 7.2 HIGH | 7.8 HIGH |
| Insufficient validation of addresses in AMD Secure Processor (ASP) firmware system call may potentially lead to arbitrary code execution by a compromised user application. | |||||
| CVE-2021-26339 | 1 Amd | 168 Epyc 72f3, Epyc 72f3 Firmware, Epyc 7313 and 165 more | 2023-12-10 | 4.9 MEDIUM | 5.5 MEDIUM |
| A bug in AMD CPU’s core logic may allow for an attacker, using specific code from an unprivileged VM, to trigger a CPU core hang resulting in a potential denial of service. AMD believes the specific code includes a specific x86 instruction sequence that would not be generated by compilers. | |||||
| CVE-2021-26348 | 1 Amd | 46 Epyc 72f3, Epyc 72f3 Firmware, Epyc 7313 and 43 more | 2023-12-10 | 2.1 LOW | 5.5 MEDIUM |
| Failure to flush the Translation Lookaside Buffer (TLB) of the I/O memory management unit (IOMMU) may lead an IO device to write to memory it should not be able to access, resulting in a potential loss of integrity. | |||||
| CVE-2021-26342 | 1 Amd | 76 Epyc 7001, Epyc 7001 Firmware, Epyc 7251 and 73 more | 2023-12-10 | 2.1 LOW | 3.3 LOW |
| In SEV guest VMs, the CPU may fail to flush the Translation Lookaside Buffer (TLB) following a particular sequence of operations that includes creation of a new virtual machine control block (VMCB). The failure to flush the TLB may cause the microcode to use stale TLB translations which may allow for disclosure of SEV guest memory contents. Users of SEV-ES/SEV-SNP guest VMs are not impacted by this vulnerability. | |||||
| CVE-2021-26332 | 1 Amd | 46 Epyc 72f3, Epyc 72f3 Firmware, Epyc 7313 and 43 more | 2023-12-10 | 6.6 MEDIUM | 7.1 HIGH |
| Failure to verify SEV-ES TMR is not in MMIO space, SEV-ES FW could result in a potential loss of integrity or availability. | |||||
| CVE-2021-26370 | 1 Amd | 98 Epyc 7002, Epyc 7002 Firmware, Epyc 7232p and 95 more | 2023-12-10 | 6.6 MEDIUM | 7.1 HIGH |
| Improper validation of destination address in SVC_LOAD_FW_IMAGE_BY_INSTANCE and SVC_LOAD_BINARY_BY_ATTRIB in a malicious UApp or ABL may allow an attacker to overwrite arbitrary bootloader memory with SPI ROM contents resulting in a loss of integrity and availability. | |||||
| CVE-2021-26349 | 1 Amd | 46 Epyc 72f3, Epyc 72f3 Firmware, Epyc 7313 and 43 more | 2023-12-10 | 2.1 LOW | 5.5 MEDIUM |
| Failure to assign a new report ID to an imported guest may potentially result in an SEV-SNP guest VM being tricked into trusting a dishonest Migration Agent (MA). | |||||
| CVE-2021-46744 | 1 Amd | 198 Epyc 7001, Epyc 7001 Firmware, Epyc 7002 and 195 more | 2023-12-10 | 2.1 LOW | 6.5 MEDIUM |
| An attacker with access to a malicious hypervisor may be able to infer data values used in a SEV guest on AMD CPUs by monitoring ciphertext values over time. | |||||
| CVE-2021-26353 | 1 Amd | 46 Epyc 72f3, Epyc 72f3 Firmware, Epyc 7313 and 43 more | 2023-12-10 | 7.2 HIGH | 7.8 HIGH |
| Failure to validate inputs in SMM may allow an attacker to create a mishandled error leaving the DRTM UApp in a partially initialized state potentially resulting in loss of memory integrity. | |||||
| CVE-2020-12946 | 1 Amd | 88 Epyc 7232p, Epyc 7232p Firmware, Epyc 7252 and 85 more | 2023-12-10 | 6.6 MEDIUM | 7.1 HIGH |
| Insufficient input validation in ASP firmware for discrete TPM commands could allow a potential loss of integrity and denial of service. | |||||
| CVE-2021-26323 | 1 Amd | 40 Epyc 7232p, Epyc 7232p Firmware, Epyc 72f3 and 37 more | 2023-12-10 | 4.6 MEDIUM | 7.8 HIGH |
| Failure to validate SEV Commands while SNP is active may result in a potential impact to memory integrity. | |||||
| CVE-2021-26322 | 1 Amd | 114 Epyc 7232p, Epyc 7232p Firmware, Epyc 7251 and 111 more | 2023-12-10 | 5.0 MEDIUM | 7.5 HIGH |
| Persistent platform private key may not be protected with a random IV leading to a potential “two time pad attack”. | |||||
| CVE-2021-26312 | 1 Amd | 114 Epyc 7232p, Epyc 7232p Firmware, Epyc 7251 and 111 more | 2023-12-10 | 2.1 LOW | 5.5 MEDIUM |
| Failure to flush the Translation Lookaside Buffer (TLB) of the I/O memory management unit (IOMMU) may lead an IO device to write to memory it should not be able to access, resulting in a potential loss of integrity. | |||||
| CVE-2021-26326 | 1 Amd | 40 Epyc 7232p, Epyc 7232p Firmware, Epyc 72f3 and 37 more | 2023-12-10 | 7.2 HIGH | 7.8 HIGH |
| Failure to validate VM_HSAVE_PA during SNP_INIT may result in a loss of memory integrity. | |||||