CVE-2026-53183

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

0.48% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 39.3% 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:L/PR:N/UI:N/S:U/C:N/I:N/A:H

NVD analysis status

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

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 08:38Z2 MO AGO

Last updated

2026-08-05 12:33Z1 MO AGO

Reserved

2026-06-09

Assigning CNA

Linux

Record state

PUBLISHED

Severity

High (CVSS 7.5)

CNA CVSS vector

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

Weaknesses

• CWE-131Incorrect Calculation of Buffer SizeBase

Data version

5.2

Document digest

1b06b3520aa4ac2781e6c51a1d1fb1318389b32aec44639416ab2856c4818dad

• git.kernel.orghttps://git.kernel.org/stable/c/bf364b0f10b27679140699821f88af7f01e2a6e3
• git.kernel.orghttps://git.kernel.org/stable/c/b1fd13074f22105deec45aa02283e322733e0c2d
• git.kernel.orghttps://git.kernel.org/stable/c/aa3861f40ac32706d9e97bfac76984613e278788
• git.kernel.orghttps://git.kernel.org/stable/c/653245266913f03fcf21cbca68eed5c197a33e52
• git.kernel.orghttps://git.kernel.org/stable/c/c297a4e65c50a2b807d9309b22615080faffa8f3
• git.kernel.orghttps://git.kernel.org/stable/c/da23be77e1292cd611e736c3aa17da633d7ddce7