CVE-2026-64155

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 2.5% 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

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

2026-07-19 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-401Missing Release of Memory after Effective LifetimeVariant
• CWE-772Missing Release of Resource after Effective LifetimeBase

Data version

5.2

Document digest

063c700f9ec0db9c5abdd055a5d9e83ef745d5e913f05367139d1637660a604a

• git.kernel.orghttps://git.kernel.org/stable/c/d6c7b8d0dc22c0a8743435db8f42d98524b70df3
• git.kernel.orghttps://git.kernel.org/stable/c/cd43d587dd333517c806cd24696e6e1a26b9951e
• git.kernel.orghttps://git.kernel.org/stable/c/3d675896ea03aca631852a2a7e91e6cb8f664967
• git.kernel.orghttps://git.kernel.org/stable/c/008955b1348452de25bc19d6e0f0f673d4cb9a3c
• git.kernel.orghttps://git.kernel.org/stable/c/acde4692afcdaea6de3e2996ddfaeaa7ae6b0130
• git.kernel.orghttps://git.kernel.org/stable/c/d618d322b95c80d5ad7091f35a7193e4050dcc27
• git.kernel.orghttps://git.kernel.org/stable/c/55dda532bbc261aef495e403c8900c5e2ab5fa34