CVE-2026-43248

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 2.9% 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

Moderate. 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

2026-05-06 11:28Z4 MO AGO

Last updated

2026-08-05 12:26Z1 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-787Out-of-bounds WriteBase

Data version

5.2

Document digest

e0ecf39921dd9dfb9473a8de46afd725995323e217fc244d007d8ae2715fe408

• git.kernel.orghttps://git.kernel.org/stable/c/ddb57354634b6ba851b79da45f1de42c646f27d0
• git.kernel.orghttps://git.kernel.org/stable/c/7441d35d14d9a3d66d925d90cb73c75394e6d454
• git.kernel.orghttps://git.kernel.org/stable/c/406db68f9cb976a8ddfafd631197264f2307e9c9
• git.kernel.orghttps://git.kernel.org/stable/c/cd025c1e876b4e262e71398236a1550486a73ede