01 Record

CVE-2022-25368

Spectre BHB is a variant of Spectre-v2 in which malicious code uses the shared branch history (stored in the CPU BHB) to influence mispredicted branches in the victim's hardware context. Speculation

UnratedPUBLISHEDCNA: mitre

CNA base scoreUnratedNo CNA CVSS vector

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02 Description

Spectre BHB is a variant of Spectre-v2 in which malicious code uses the shared branch history (stored in the CPU BHB) to influence mispredicted branches in the victim's hardware context. Speculation

03 Exploitation and scoring

Exploitation: Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision: Not assessed by CISA
EPSS probability: 0.29% probability of exploitation activity in the next 30 days.
EPSS percentile: Equal to or higher than the score of 22.3% of scored records. A rank, not a probability.
NVD base score: 4.7 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N
NVD analysis status: Modified. NVD last modified this record on 2026-06-17.
Red Hat severity: No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published: 2022-03-09 18:17Z4 YR AGO
Last updated: 2024-08-03 04:36Z2 YR AGO
Reserved: 2022-02-19
Assigning CNA: mitre
Record state: PUBLISHED
Severity: Not rated by the issuing CNA
CNA CVSS vector: Not published by the issuing CNA
Weaknesses: No CWE assigned
Data version: 5.1
Document digest: d42db4f0aebb1bbdcf915948f69fce2888e5f133274fb904c62ac3832497e0bc