CVE-2026-43109

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

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

2026-05-17 15:21Z3 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-414Missing Lock CheckBase

Data version

5.2

Document digest

1257fa5ee613943889865d0ad4c4b7b9eb3d791f23179c3b9b3bc7130e04123d

• git.kernel.orghttps://git.kernel.org/stable/c/c79cf42321600e931933e11f94aba8b245d4cd66
• git.kernel.orghttps://git.kernel.org/stable/c/1a30468eff661937d978495644d2e5ebfeef5ce6
• git.kernel.orghttps://git.kernel.org/stable/c/c64cebcc5c4f223dbcbe7dcdf74908fc092a0aa4
• git.kernel.orghttps://git.kernel.org/stable/c/262b6d38a81d51b135db81e1f30c13d30e38feee
• git.kernel.orghttps://git.kernel.org/stable/c/52f657e34d7b21b47434d9d8b26fa7f6778b63a0