CVE-2026-43438

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 2.6% 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

2026-05-08 14:22Z3 MO AGO

Last updated

2026-08-05 12:27Z1 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-416Use After FreeVariant
• CWE-1341Multiple Releases of Same Resource or HandleBase

Data version

5.2

Document digest

862c38073d971bdbb4aa2a8d569abff1f793ef688a118ab3ceb1493e16ce5301

• git.kernel.orghttps://git.kernel.org/stable/c/cc095cd305fddbe25a968e4a78436ff9476cf0f6
• git.kernel.orghttps://git.kernel.org/stable/c/6eaaa67d6998f6c30c462b140db8c062e07ec473
• git.kernel.orghttps://git.kernel.org/stable/c/bf50f3285eda8a0173625fcdb5f183f96e1008cd
• git.kernel.orghttps://git.kernel.org/stable/c/1336b579f6079fb8520be03624fcd9ba443c930b