CVE-2026-53088

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

0.40% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 33.0% 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 2026-07-23.

Red Hat severity

Low. 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

2026-06-24 16:30Z2 MO AGO

Last updated

2026-08-05 12:33Z1 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-193Off-by-one ErrorBase

Data version

5.2

Document digest

94a887959566caa44e7d4ee0526d268554346c6f90c62847586c63ba04042ec6

• git.kernel.orghttps://git.kernel.org/stable/c/14e9f86564fff7bcf7f45c1b69080e837b31d185
• git.kernel.orghttps://git.kernel.org/stable/c/fb9a3c1f547d0ff024dbfe7b6f327626ddf0a3de
• git.kernel.orghttps://git.kernel.org/stable/c/85f34ec320d3881badfd4edc5fee5cd5012bb54d
• git.kernel.orghttps://git.kernel.org/stable/c/2a74590170427a3ca7cc4bb8690cdd559129c29c
• git.kernel.orghttps://git.kernel.org/stable/c/29394f722f620281f2ee9a47f947734e53d72c90
• git.kernel.orghttps://git.kernel.org/stable/c/4cab761fc51c65aef741fcece4a18f3554edbc09
• git.kernel.orghttps://git.kernel.org/stable/c/72df896e31ddd06fcc5a789f025ad7a62a18bc9b
• git.kernel.orghttps://git.kernel.org/stable/c/57f3f53d2c9c5a9e133596e2f7bc1c50688a6d38