CVE-2022-23960: Arm: CVE-2022-23960 Cache Speculation Restriction Vulnerability

CVE-ID

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• CVSS Severity Rating • Fix Information • Vulnerable Software Versions • SCAP Mappings • CPE Information

Description

Certain Arm Cortex and Neoverse processors through 2022-03-08 do not properly restrict cache speculation, aka Spectre-BHB. An attacker can leverage the shared branch history in the Branch History Buffer (BHB) to influence mispredicted branches. Then, cache allocation can allow the attacker to obtain sensitive information.

References

Note: References are provided for the convenience of the reader to help distinguish between vulnerabilities. The list is not intended to be complete.

• CONFIRM:https://developer.arm.com/support/arm-security-updates/speculative-processor-vulnerability
• DEBIAN:DSA-5173
• URL:https://www.debian.org/security/2022/dsa-5173
• MISC:https://developer.arm.com/support/arm-security-updates
• MLIST:[debian-lts-announce] 20220701 [SECURITY] [DLA 3065-1] linux security update
• URL:https://lists.debian.org/debian-lts-announce/2022/07/msg00000.html
• MLIST:[oss-security] 20220318 Xen Security Advisory 398 v2 - Multiple speculative security issues
• URL:http://www.openwall.com/lists/oss-security/2022/03/18/2

Assigning CNA

MITRE Corporation

Date Record Created

20220126

Disclaimer: The record creation date may reflect when the CVE ID was allocated or reserved, and does not necessarily indicate when this vulnerability was discovered, shared with the affected vendor, publicly disclosed, or updated in CVE.

Phase (Legacy)

Assigned (20220126)

Votes (Legacy)

Comments (Legacy)

Proposed (Legacy)

N/A

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