Bug 2253702 (AMD-SB-3006, CVE-2023-20573) - CVE-2023-20573 kernel: hw: AMD Secure Nested Paging Debug Exception
Summary: CVE-2023-20573 kernel: hw: AMD Secure Nested Paging Debug Exception
Keywords:
Status: NEW
Alias: AMD-SB-3006, CVE-2023-20573
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
low
low
Target Milestone: ---
Assignee: Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 2253705
Blocks: 2253703
TreeView+ depends on / blocked
 
Reported: 2023-12-08 23:03 UTC by Nick Tait
Modified: 2024-02-28 06:19 UTC (History)
49 users (show)

Fixed In Version:
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A flaw was found in AMD hardware using the Secure Encrypted Virtualization – Secure Nested Paging (SEV-SNP) feature. This issue may allow a privileged attacker to prevent the delivery of debug exceptions to SEV-SNP guests, potentially resulting in guests not receiving expected debug information.
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Description Nick Tait 2023-12-08 23:03:51 UTC 
On AMD hardware using the Secure Encrypted Virtualization – Secure Nested Paging (SEV-SNP) feature,  a privileged attacker can prevent the delivery of debug exceptions to SEV-SNP guests potentially resulting in guests not receiving expected debug information.
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