Out-of-Bounds Memory Read Vulnerability in AMD Processors
CVE-2021-26345

1.9LOW

Key Information:

Summary

A vulnerability exists in AMD processors due to improper validation of the APCB token value. This flaw allows a privileged attacker to manipulate the APCB token, potentially leading to an out-of-bounds memory read. Exploitation of this vulnerability may result in a denial of service, interrupting the functionality of affected systems. Users are advised to apply patches and updates to mitigate the risk associated with this vulnerability.

Affected Version(s)

2nd Gen AMD EPYC™ Processors x86 various

3rd Gen AMD EPYC™ Processors x86 various

4th Gen AMD EPYC™ Processors x86 various

References

CVSS V3.1

Score:
1.9
Severity:
LOW
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Local
Attack Complexity:
High
Privileges Required:
High
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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