CVE-2026-64157

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

0.12% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 2.2% 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 2026-08-17.

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

2026-07-19 15:40Z1 MO AGO

Last updated

2026-07-19 15:40Z1 MO AGO

Reserved

2026-07-19

Assigning CNA

Linux

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-823Use of Out-of-range Pointer OffsetBase

Data version

5.2

Document digest

df3595e62fc249b795212d03dc541c799adeb794ab290db2426014435a4f0072

• git.kernel.orghttps://git.kernel.org/stable/c/f6b2569ae29b666fd15ff2848684c445ba442a39
• git.kernel.orghttps://git.kernel.org/stable/c/3d9601c029b934b5b6a10f99791467b10eb6b211
• git.kernel.orghttps://git.kernel.org/stable/c/6a3d27116be2c5fb9a03d5cf37c486ac517f3689
• git.kernel.orghttps://git.kernel.org/stable/c/6d91acc7fb85d33ea58fca9b964a32a453937f4b