CVE-2026-53246

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

0.44% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 36.7% 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

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

2026-06-25 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-787Out-of-bounds WriteBase
• CWE-130Improper Handling of Length Parameter InconsistencyBase

Data version

5.2

Document digest

955454b61873bdd34a30cfb79d4e2388c990b09cad1a98ba6f99a0a8487d7426

• git.kernel.orghttps://git.kernel.org/stable/c/cc272185c9a9a4b7febc2de52eeaa3d00f19091e
• git.kernel.orghttps://git.kernel.org/stable/c/edccbf3d63b0a3362bc916ea72edacc1e1ca456a
• git.kernel.orghttps://git.kernel.org/stable/c/0861615c28de668669d748ef4eb913ea9262d13b