CVE-2026-43221

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

5.5 (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:N/I:N/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

2026-05-11 22:20Z3 MO AGO

Reserved

2026-05-01

Assigning CNA

Linux

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-908Use of Uninitialized ResourceBase
• CWE-909Missing Initialization of ResourceClass

Data version

5.2

Document digest

9f254251e6236bba0288c07078658f20304fe0896df68e0707b09b7820162052

• git.kernel.orghttps://git.kernel.org/stable/c/905554ebd76aeee370bfd5136ea11e0b9d75c6f1
• git.kernel.orghttps://git.kernel.org/stable/c/56d5c0557e53c4d8d92a619fa83eaae178165e07
• git.kernel.orghttps://git.kernel.org/stable/c/2dfbc8c17dd161885336e77e71c336cd62cf6748
• git.kernel.orghttps://git.kernel.org/stable/c/f726b3a57e00bb6249c67714c11ae8b4b31719a1
• git.kernel.orghttps://git.kernel.org/stable/c/102712417bb6aa9a00d852bc59cb0a276db486c4
• git.kernel.orghttps://git.kernel.org/stable/c/9f235ccecd03c436cb1683eac16b12f119e54aa9