CVE-2026-43099

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

0.49% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 39.8% of scored records. A rank, not a probability.

NVD base score

7.5 (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:N/I:N/A:H

NVD analysis status

Modified. 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 07:40Z4 MO AGO

Last updated

2026-08-05 12:25Z1 MO AGO

Reserved

2026-05-01

Assigning CNA

Linux

Record state

PUBLISHED

Severity

High (CVSS 7.5)

CNA CVSS vector

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

Weaknesses

• CWE-476NULL Pointer DereferenceBase
• CWE-253Incorrect Check of Function Return ValueBase

Data version

5.2

Document digest

0843bcccc96b44fc3543b8ae21135d391f94408ce5869b22b56ebc5e6df3e480

• git.kernel.orghttps://git.kernel.org/stable/c/0f21bc261e60f0c696c58841c4873ff77ed83673
• git.kernel.orghttps://git.kernel.org/stable/c/dc5db4db19766a61ad65d81d1f55b1c1e51ba78d
• git.kernel.orghttps://git.kernel.org/stable/c/47a8bf52156ac7e7a581eca31c1f964ba4258d4d
• git.kernel.orghttps://git.kernel.org/stable/c/6be325206850a0891896d38bcf83a09d8b54ec48
• git.kernel.orghttps://git.kernel.org/stable/c/f91b3ed9e7fa82a70511b5f6901c88379acf2964
• git.kernel.orghttps://git.kernel.org/stable/c/5b9911582d441f72fe6ccb15ffe3303bbc07f6f5
• git.kernel.orghttps://git.kernel.org/stable/c/fde29fd9349327acc50d19a0b5f3d5a6c964dfd8