CVE-2026-43220

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

0.13% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 2.8% of scored records. A rank, not a probability.

NVD base score

5.5 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

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

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.

Published

2026-05-06 11:28Z4 MO AGO

Last updated

2026-05-17 15:21Z3 MO AGO

Reserved

2026-05-01

Assigning CNA

Linux

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-1066Missing Serialization Control ElementBase

Data version

5.2

Document digest

ad05e691f08daa94b4b7fdd0c5fd447d96e78af75327427d7595511b811f59db

• git.kernel.orghttps://git.kernel.org/stable/c/d51bf43193b1e95dc4e34e540dc76e19def2ae5a
• git.kernel.orghttps://git.kernel.org/stable/c/fca7aa0264ae99e5ff287d0ced5af0b82b121c4f
• git.kernel.orghttps://git.kernel.org/stable/c/5000ce7fcb31067566a1a1a2e5b5bbff93625242
• git.kernel.orghttps://git.kernel.org/stable/c/48caa7542a795c9679ec1bd1bc2592e05a7369a4
• git.kernel.orghttps://git.kernel.org/stable/c/9e249c48412828e807afddc21527eb734dc9bd3d