CVE-2026-43055

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

0.36% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 28.8% 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

Analyzed. 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

2026-05-01 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 7.5)

CNA CVSS vector

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

Weaknesses

• CWE-824Access of Uninitialized PointerBase

Data version

5.2

Document digest

bbcc7d86b408edc4c4168cbb7c5a4bba7514821755a734b7f6cdc84718076ffd

• git.kernel.orghttps://git.kernel.org/stable/c/ce54802fe6bb78eb0feffc66fed6a45d41ffc3ab
• git.kernel.orghttps://git.kernel.org/stable/c/4eaff1728d0e69b95933412241bbccf4f797dba8
• git.kernel.orghttps://git.kernel.org/stable/c/01f784fc9d0ab2a6dac45ee443620e517cb2a19b