CVE-2026-53303

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 2.5% of scored records. A rank, not a probability.

NVD base score

7.1 (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:H/I:N/A:H

NVD analysis status

Analyzed. NVD last modified this record on 2026-07-06.

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

2026-06-26 19:40Z2 MO AGO

Last updated

2026-06-26 19:40Z2 MO AGO

Reserved

2026-06-09

Assigning CNA

Linux

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-125Out-of-bounds ReadBase
• CWE-366Race Condition within a ThreadBase

Data version

5.2

Document digest

bfa9db86086fb948f6936c53cd1d34a6dacb92e7b366f74e9283a9aafd2f3639

• git.kernel.orghttps://git.kernel.org/stable/c/d3ff0c121bbaef026df6248ab7ef6f0b068b0647
• git.kernel.orghttps://git.kernel.org/stable/c/cea15f66b7b68b2c50943a6660e0692c6635e4eb
• git.kernel.orghttps://git.kernel.org/stable/c/4b3a1bf4c2ffd4c9595d900ead78c9035894a025
• git.kernel.orghttps://git.kernel.org/stable/c/d0e877810baf613b018fd9747440b9d4d9db1428
• git.kernel.orghttps://git.kernel.org/stable/c/ea3ab43a1f3cf2c7cecd75c8be1ee99a5e94a92e
• git.kernel.orghttps://git.kernel.org/stable/c/5909bedbed38c558bee7cb6758ceedf9bc3a9194