CVE-2026-43203

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

0.43% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 36.1% 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:H/PR:N/UI:R/S:U/C:H/I:H/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

2026-08-05 12:26Z1 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:H/PR:N/UI:R/S:U/C:H/I:H/A:H

Weaknesses

• CWE-416Use After FreeVariant
• CWE-825Expired Pointer DereferenceBase

Data version

5.2

Document digest

6446e7b844fe7a20c0d88701001a7d170276e224871bba616c6ae40695ab7248

• git.kernel.orghttps://git.kernel.org/stable/c/91f25749aaf57c47ae1e12478144e6ea8c8562f2
• git.kernel.orghttps://git.kernel.org/stable/c/73fbc5d1a9ccb626937500bbd67136f077d8237b
• git.kernel.orghttps://git.kernel.org/stable/c/aba0b4bc09376dfc3d53c826514fe38fc8337f52
• git.kernel.orghttps://git.kernel.org/stable/c/e075ec9b08f862dade8011481058f7eb5f716c57
• git.kernel.orghttps://git.kernel.org/stable/c/97900f512252a59f23d6ce4ab215cc88fed66e68
• git.kernel.orghttps://git.kernel.org/stable/c/e4ff4e3ffcf9d5aad380cdd1d8cdc008bb34f97d
• git.kernel.orghttps://git.kernel.org/stable/c/5189368f10903956be05062d160b2804bf5e5016
• git.kernel.orghttps://git.kernel.org/stable/c/8930878101cd40063888a68af73b1b0f8b6c79bc