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AMD Prozessoren: Mehrere Schwachstellen
view advisory published 2023-05-09
Ein lokaler Angreifer kann mehrere Schwachstellen in AMD Prozessoren ausnutzen, um beliebigen Programmcode mit Administratorrechten auszuführen, Informationen offenzulegen, Dateien zu manipulieren oder einen Denial of Service Zustand herbeizuführen.
01
describes (29)
Related CVEs.
| ID | severity | exploitable | ||
|---|---|---|---|---|
| CVE-2021-46794US | high7.5 | — | ||
Insufficient bounds checking in ASP (AMD Secure
Processor) may allow for an out of bounds read in SMI (System Management
Interface) mailbox checksum calculation triggering a data a… | ||||
| CVE-2021-46792US | medium5.9 | — | ||
Time-of-check Time-of-use (TOCTOU) in the
BIOS2PSP command may allow an attacker with a malicious BIOS to create a race
condition causing the ASP bootloader to perform out-of-bound… | ||||
| CVE-2021-46773US | high8.8 | — | ||
Insufficient input validation in ABL may enable
a privileged attacker to corrupt ASP memory, potentially resulting in a loss of
integrity or code execution.
| ||||
| CVE-2021-46765US | high7.5 | — | ||
Insufficient input validation in ASP may allow
an attacker with a compromised SMM to induce out-of-bounds memory reads within
the ASP, potentially leading to a denial of service.… | ||||
| CVE-2021-46760US | critical9.8 | — | ||
A malicious or compromised UApp or ABL can send
a malformed system call to the bootloader, which may result in an out-of-bounds
memory access that may potentially lead to an attack… | ||||
| CVE-2021-46759US | medium6.1 | — | ||
Improper syscall input validation in AMD TEE
(Trusted Execution Environment) may allow an attacker with physical access and
control of a Uapp that runs under the bootloader to reve… | ||||
| CVE-2021-46756US | critical9.1 | — | ||
Insufficient validation of inputs in
SVC_MAP_USER_STACK in the ASP (AMD Secure Processor) bootloader may allow an
attacker with a malicious Uapp or ABL to send malformed or invalid… | ||||
| CVE-2021-46755US | high7.5 | — | ||
Failure to unmap certain SysHub mappings in
error paths of the ASP (AMD Secure Processor) bootloader may allow an attacker
with a malicious bootloader to exhaust the SysHub resourc… | ||||
| CVE-2021-46754US | critical9.1 | — | ||
Insufficient input validation in the ASP (AMD
Secure Processor) bootloader may allow an attacker with a compromised Uapp or
ABL to coerce the bootloader into exposing sensitive inf… | ||||
| CVE-2023-20524US | high7.5 | — | ||
An attacker with a compromised ASP could
possibly send malformed commands to an ASP on another CPU, resulting in an out
of bounds write, potentially leading to a loss a loss of int… | ||||
| CVE-2023-20520US | critical9.8 | — | ||
Improper access control settings in ASP
Bootloader may allow an attacker to corrupt the return address causing a
stack-based buffer overrun potentially leading to arbitrary code ex… | ||||
| CVE-2022-23818US | high7.5 | — | ||
Insufficient input validation on the model
specific register: VM_HSAVE_PA may potentially lead to loss of SEV-SNP guest
memory integrity.
| ||||
| CVE-2021-46775US | medium6.8 | — | ||
Improper input validation in ABL may enable an
attacker with physical access, to perform arbitrary memory overwrites,
potentially leading to a loss of integrity and code execution.… | ||||
| CVE-2021-46769US | high8.8 | — | ||
Insufficient syscall input validation in the ASP
Bootloader may allow a privileged attacker to execute arbitrary DMA copies,
which can lead to code execution.
| ||||
| CVE-2021-46764US | high7.5 | — | ||
Improper validation of DRAM addresses in SMU may
allow an attacker to overwrite sensitive memory locations within the ASP
potentially resulting in a denial of service.
| ||||
| CVE-2021-46763US | high7.5 | — | ||
Insufficient input validation in the SMU may
enable a privileged attacker to write beyond the intended bounds of a shared
memory buffer potentially leading to a loss of integrity.… | ||||
| CVE-2021-46762US | critical9.1 | — | ||
Insufficient input validation in the SMU may
allow an attacker to corrupt SMU SRAM potentially leading to a loss of
integrity or denial of service. | ||||
| CVE-2021-46753US | critical9.1 | — | ||
Failure to validate the length fields of the ASP
(AMD Secure Processor) sensor fusion hub headers may allow an attacker with a
malicious Uapp or ABL to map the ASP sensor fusion hu… | ||||
| CVE-2021-46749US | high7.5 | — | ||
Insufficient bounds checking in ASP (AMD Secure
Processor) may allow for an out of bounds read in SMI (System Management
Interface) mailbox checksum calculation triggering a data a… | ||||
| CVE-2021-26406US | high7.5 | — | ||
Insufficient validation in parsing Owner's
Certificate Authority (OCA) certificates in SEV (AMD Secure Encrypted Virtualization)
and SEV-ES user application can lead to a host cras… | ||||
showing 20 of 29
02
references
External citations — patches, advisories, analysis.
- HP Security Bulletin HPSBHF03846 vom 2023-05-11external
- HPE Security Bulletinexternal
- Lenovo Security Advisory: LEN-124495external
- WID-SEC-W-2023-1190 - CSAF Versionself
- WID-SEC-2023-1190 - Portal Versionself
- AMD Security Advisory vom 2023-05-09external
- AMD Security Advisory vom 2023-05-09external
- AMD Security Bulletinexternal
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