CVE-2026-23256

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

0.11% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 1.8% of scored records. A rank, not a probability.

NVD base score

5.5 (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:N/I:N/A:H

NVD analysis status

Analyzed. NVD last modified this record on 2026-06-17.

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

2026-03-18 17:41Z5 MO AGO

Last updated

2026-05-11 22:03Z3 MO AGO

Reserved

2026-01-13

Assigning CNA

Linux

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-193Off-by-one ErrorBase

Data version

5.2

Document digest

fcc0bdb744824bfdb0cc8ff3f66fe47ae216b2d371a9a6d159237343391b9bfc

• git.kernel.orghttps://git.kernel.org/stable/c/bd680e56e316be92c01568be98d85d7a6c9bd92c
• git.kernel.orghttps://git.kernel.org/stable/c/01fbca1e93ec3f39f76c31a8f9afa32ce00da48a
• git.kernel.orghttps://git.kernel.org/stable/c/71a56b89203ec7e5670d94a61a9b4ae617eca804
• git.kernel.orghttps://git.kernel.org/stable/c/3bf519e39b51cb08a93c0599870b35a23db1031e
• git.kernel.orghttps://git.kernel.org/stable/c/52b19b3a22306fe452ec9e8ff96063f4bfb77b99
• git.kernel.orghttps://git.kernel.org/stable/c/4640fa5ad5e1a0dbd1c2d22323b7d70a8107dcfd
• git.kernel.orghttps://git.kernel.org/stable/c/6cbba46934aefdfb5d171e0a95aec06c24f7ca30