CVE-2026-43307

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

0.12% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 2.5% of scored records. A rank, not a probability.

NVD base score

7.8 (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:H/I:H/A:H

NVD analysis status

Analyzed. NVD last modified this record on 2026-06-17.

Red Hat severity

Low. Red Hat's rating for its own products, not a CVSS rating.

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

2026-05-08 13:11Z5 MO AGO

Last updated

2026-08-05 12:27Z2 MO AGO

Reserved

2026-05-01

Assigning CNA

Linux

Record state

PUBLISHED

Severity

High (CVSS 7.8)

CNA CVSS vector

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

Weaknesses

• CWE-805Buffer Access with Incorrect Length ValueBase

Data version

5.2

Document digest

d78fa8897b13270fad95db8d199315161539509c6f805c49375c9d9241847316

• git.kernel.orghttps://git.kernel.org/stable/c/a40f316085985f916ba1599fc303fdbc6a078e86
• git.kernel.orghttps://git.kernel.org/stable/c/a8e88edfd69df7b63c882aa53e61e7c078806ad7
• git.kernel.orghttps://git.kernel.org/stable/c/f42ddb2945ae4ce2b6f1c2e7aae9f14455a734d3
• git.kernel.orghttps://git.kernel.org/stable/c/c1b14015224cfcccd5356333763f2f4f401bd810