CVE-2026-43414

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

0.38% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 31.0% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

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

NVD analysis status

Analyzed. NVD last modified this record on 2026-07-08.

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

2026-05-08 14:21Z3 MO AGO

Last updated

2026-08-05 12:27Z1 MO AGO

Reserved

2026-05-01

Assigning CNA

Linux

Record state

PUBLISHED

Severity

Critical (CVSS 9.8)

CNA CVSS vector

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

Weaknesses

• CWE-415Double FreeVariant
• CWE-1341Multiple Releases of Same Resource or HandleBase

Data version

5.2

Document digest

7ddcaac9426971551ff2c0dac7eb8ed9f5b2721fdd21dd1efa41bce002b56d3c

• git.kernel.orghttps://git.kernel.org/stable/c/d48ea85463f5b34f7b92ea0a13eddf1ab993da7b
• git.kernel.orghttps://git.kernel.org/stable/c/c0b7da13a04bd70ef6070bfb9ea85f582294560a