CVE-2026-43019

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

Modified. NVD last modified this record on 2026-06-19.

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

2026-05-01 14:15Z4 MO AGO

Last updated

2026-08-05 12:25Z1 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-821Incorrect SynchronizationBase

Data version

5.2

Document digest

6a84b52fab92c1061a13fc292f9bbaeb1d3330882c544f4f0be1cc44677f7863

• git.kernel.orghttps://git.kernel.org/stable/c/7502c1cf303b69f71d085f5ff7251b0e1b0f09df
• git.kernel.orghttps://git.kernel.org/stable/c/66d432e9b45bae7881ffcdb12cd8fd0bf254ef02
• git.kernel.orghttps://git.kernel.org/stable/c/7d568fede8eac91161a60b710aa920abe9b0fb9f
• git.kernel.orghttps://git.kernel.org/stable/c/bad65b4b0a96139f023eadc28a33125963208449
• git.kernel.orghttps://git.kernel.org/stable/c/a2639a7f0f5bf7d73f337f8f077c19415c62ed2c