Vulnerabilities > CVE-2022-23960
Attack vector
LOCAL Attack complexity
HIGH Privileges required
LOW Confidentiality impact
HIGH Integrity impact
NONE Availability impact
NONE Summary
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.
Vulnerable Configurations
References
- http://www.openwall.com/lists/oss-security/2022/03/18/2
- http://www.openwall.com/lists/oss-security/2022/03/18/2
- https://developer.arm.com/support/arm-security-updates
- https://developer.arm.com/support/arm-security-updates
- https://developer.arm.com/support/arm-security-updates/speculative-processor-vulnerability
- https://developer.arm.com/support/arm-security-updates/speculative-processor-vulnerability
- https://lists.debian.org/debian-lts-announce/2022/07/msg00000.html
- https://lists.debian.org/debian-lts-announce/2022/07/msg00000.html
- https://www.debian.org/security/2022/dsa-5173
- https://www.debian.org/security/2022/dsa-5173