CVE-2022-23960 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.

CVSS Vector

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

Reference

https://developer.arm.com/support/arm-security-updates/speculative-processor-vulnerability https://developer.arm.com/support/arm-security-updates http://www.openwall.com/lists/oss-security/2022/03/18/2

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

CHANGED

Integrity Impact

HIGH

Availability Impact

NONE

Base Score

NONE

Base Severity

5.6