CVE-2026-43222

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

0.14% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 3.7% 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

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

2026-08-05 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-131Incorrect Calculation of Buffer SizeBase

Data version

5.2

Document digest

358701bb7f861c9ec1b4fc875178bc85c27d44a4f7c7274506a422cac4b1ad34

• git.kernel.orghttps://git.kernel.org/stable/c/a5b1ddbe31f49b4da78642157589970e9b60a231
• git.kernel.orghttps://git.kernel.org/stable/c/34f36f9c6114af781a5a4f7a7c99334c85b73fc7
• git.kernel.orghttps://git.kernel.org/stable/c/f122f2b3ce9dbde60bf7ab0b180fe4a01f9d9bc4
• git.kernel.orghttps://git.kernel.org/stable/c/74abfadd7ef5ac9f3a6111d550cc651d1457c641
• git.kernel.orghttps://git.kernel.org/stable/c/a505ca2db89ad92a8d8d27fa68ebafb12e04a679