CVE-2026-53247

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

0.47% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 38.3% of scored records. A rank, not a probability.

NVD base score

9.8 (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:H/I:H/A:H

NVD analysis status

Analyzed. NVD last modified this record on 2026-07-07.

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

2026-06-25 08:39Z2 MO AGO

Last updated

2026-08-05 12:34Z1 MO AGO

Reserved

2026-06-09

Assigning CNA

Linux

Record state

PUBLISHED

Severity

Critical (CVSS 9.8)

CNA CVSS vector

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

Weaknesses

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

Data version

5.2

Document digest

8f9cd26ce60f69a2c6a2702e0106795274e3845299da7d9f427bee11c647d6be

• git.kernel.orghttps://git.kernel.org/stable/c/72775977e89c25c99ee84d2c5baa3f86a8ba5cb4
• git.kernel.orghttps://git.kernel.org/stable/c/459c6f35c58cf0fd5247e55d73ddaa29571d9b7e
• git.kernel.orghttps://git.kernel.org/stable/c/e634408d2b0cd939cfe019398a21fb47b7a8ffe3
• git.kernel.orghttps://git.kernel.org/stable/c/2d86aeb46d5f69c704065a8c69822582787272a1
• git.kernel.orghttps://git.kernel.org/stable/c/80df409e1a483676826a6c66e693dba6ac507751