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CVE-2022-23960

Date: March 12, 2022

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.

Severity Score

Related Resources (11)

https://nvd.nist.gov/vuln/detail/CVE-2022-23960
https://developer.arm.com/support/arm-security-updates/speculative-processor-vulnerability
https://lists.debian.org/debian-lts-announce/2022/07/msg00000.html
https://access.redhat.com/security/cve/CVE-2022-23960
https://security-tracker.debian.org/tracker/CVE-2022-23960
https://developer.arm.com/support/arm-security-updates
https://www.debian.org/security/2022/dsa-5173
http://www.openwall.com/lists/oss-security/2022/03/18/2
https://people.canonical.com/~ubuntu-security/cve/CVE-2022-23960
https://security.alpinelinux.org/vuln/CVE-2022-23960
https://www.mend.io/vulnerability-database/CVE-2022-23960

Severity Score

Weakness Type (CWE)

Insufficient Information

NVD-CWE-noinfo

CVSS v3.1

Base Score:
Attack Vector (AV): LOCAL
Attack Complexity (AC): HIGH
Privileges Required (PR): LOW
User Interaction (UI): NONE
Scope (S): CHANGED
Confidentiality (C): HIGH
Integrity (I): NONE
Availability (A): NONE

CVSS v2

Base Score:
Access Vector (AV): LOCAL
Access Complexity (AC): MEDIUM
Authentication (AU): NONE
Confidentiality (C): PARTIAL
Integrity (I): NONE
Availability (A): NONE
Additional information:

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