CVE-2021-26341

MediumCVSS 6.5/10Last modified Jun 17, 2026

Description

Some AMD CPUs may transiently execute beyond unconditional direct branches, which may potentially result in data leakage.

Metrics

CVSS 3.1 6.5/10CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N

Weakness enumeration

CWE-212

Affected software

No affected versions have been published.

Timeline

Published
Mar 11, 2022
Last modified
Jun 17, 2026
NVD status
Modified

Related CVEs from 2021

CVE-2021-263423.3In SEV guest VMs, the CPU may fail to flush the Translation Lookaside Buffer (TLB) following a particular sequence of operations that includCVE-2021-263435.5Insufficient validation in ASP BIOS and DRTM commands may allow malicious supervisor x86 software to disclose the contents of sensitive memoCVE-2021-263448.2An out of bounds memory write when processing the AMD PSP1 Configuration Block (APCB) could allow an attacker with access the ability to modCVE-2021-263454.9Failure to validate the value in APCB may allow a privileged attacker to tamper with the APCB token to force an out-of-bounds memory read poCVE-2021-263465.5Failure to validate the integer operand in ASP (AMD Secure Processor) bootloader may allow an attacker to introduce an integer overflow in tCVE-2021-263474.7Failure to validate the integer operand in ASP (AMD Secure Processor) bootloader may allow an attacker to introduce an integer overflow in tCVE-2021-263485.5Failure to flush the Translation Lookaside Buffer (TLB) of the I/O memory management unit (IOMMU) may lead an IO device to write to memory iCVE-2021-263495.5Failure to assign a new report ID to an imported guest may potentially result in an SEV-SNP guest VM being tricked into trusting a dishonestCVE-2021-263504.7A TOCTOU race condition in SMU may allow for the caller to obtain and manipulate the address of a message port register which may result in CVE-2021-263515.5Insufficient DRAM address validation in System Management Unit (SMU) may result in a DMA (Direct Memory Access) read/write from/to invalid DCVE-2021-263525.5Insufficient bound checks in System Management Unit (SMU) PCIe Hot Plug table may result in access/updates from/to invalid address space thaCVE-2021-263537.8Failure to validate inputs in SMM may allow an attacker to create a mishandled error leaving the DRTM UApp in a partially initialized state
CVE-2021-26341: Medium severity, CVSS 6.5 | Vulnix