CVE-2026-43455

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

0.11% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 1.7% 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

2026-05-08 14:22Z3 MO AGO

Last updated

2026-05-11 22:24Z3 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-367Time-of-check Time-of-use (TOCTOU) Race ConditionBase

Data version

5.2

Document digest

e4c3822d47ca2ef1d411daf380399a9fa89756d74dbf38ff8e30298a035be953

• git.kernel.orghttps://git.kernel.org/stable/c/47893166bc5611ee9a20de6b8d2933b2320fb772
• git.kernel.orghttps://git.kernel.org/stable/c/86f5334fcb48a5b611c33364ab52ca684d0f6d91
• git.kernel.orghttps://git.kernel.org/stable/c/0695712f3a6f1a48915f95767cfb42077683dcdc
• git.kernel.orghttps://git.kernel.org/stable/c/925a5ffd99cddd7a7e41d5ad120c7a2c6d50260f
• git.kernel.orghttps://git.kernel.org/stable/c/8d27d9b260dd19c1b519e1a13de6448f9984e30e
• git.kernel.orghttps://git.kernel.org/stable/c/7d86aa41c073c4e7eb75fd2e674f1fd8f289728a