Not rated
CVE-2021-26339 A bug in AMD CPU’s core logic may allow for an attacker, using specific code from an unprivileged VM, to trigger a CPU…
Description
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.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| EPYC™ Processors | Versions not published | |
| Ryzen™ Series | Versions not published | |
| Athlon™ Series | Versions not published |
Other CVEs of EPYC™ Processors
The 13 CVEs of EPYC™ Processors →
CVE-2021-26388
Improper validation of the BIOS directory may allow for searches to read beyond the directory table copy in RAM,…
Not rated
CVE-2021-26376
Insufficient checks in System Management Unit (SMU) FeatureConfig may result in reenabling features potentially…
Not rated
CVE-2021-26373
Insufficient bound checks in the System Management Unit (SMU) may result in a system voltage malfunction that could…
Not rated
CVE-2021-26348
Failure to flush the Translation Lookaside Buffer (TLB) of the I/O memory management unit (IOMMU) may lead an IO…
Not rated