CVE-2026-43209

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

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 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-1287Improper Validation of Specified Type of InputBase

Data version

5.2

Document digest

44b5d55bc04df27e9d7c49a2268828811dc4f519aee5a8817b7e0827a943481f

• git.kernel.orghttps://git.kernel.org/stable/c/a051ecf5c5b0387840dc210413ed3bc7fbdaa69c
• git.kernel.orghttps://git.kernel.org/stable/c/d791c544efd6b9c944b43cf7f502e5bcb02fb941
• git.kernel.orghttps://git.kernel.org/stable/c/66c7c239c65341f99ae388d4d53dc9df2bcb9925
• git.kernel.orghttps://git.kernel.org/stable/c/2bb588cede1c1969e49c0a2822c8cb8b346b7682
• git.kernel.orghttps://git.kernel.org/stable/c/f57ccd4657c7f082dc47e5b9e18a883bb5f9118f
• git.kernel.orghttps://git.kernel.org/stable/c/31fefc18096cdc5549cfa54964d90e0b3229aedc
• git.kernel.orghttps://git.kernel.org/stable/c/1efc128ee4adbc23e082715425ff895449d233bc
• git.kernel.orghttps://git.kernel.org/stable/c/8c97a6ddc95690a938ded44b4e3202f03f15078c