CVE-2026-64003

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

0.44% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 36.7% 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

Awaiting Analysis. NVD last modified this record on 2026-07-30.

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 14:56Z1 MO AGO

Last updated

2026-08-05 12:38Z1 MO AGO

Reserved

2026-07-19

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-772Missing Release of Resource after Effective LifetimeBase

Data version

5.2

Document digest

79b9c0c1dfbf2586c7905cb9c48b3aa9896783cc057d7910d997f5da30f4a208

• git.kernel.orghttps://git.kernel.org/stable/c/15fb19af49f2073ed77fad16aaabc648b0ca6800
• git.kernel.orghttps://git.kernel.org/stable/c/d4dddfecdbb5467bef158d4e1486459808357fef
• git.kernel.orghttps://git.kernel.org/stable/c/475f2b37a78f4c698967a7f14f325f04e24c9175
• git.kernel.orghttps://git.kernel.org/stable/c/c740e13e7fe32d8e4d9a1699f65b8daf6709895a
• git.kernel.orghttps://git.kernel.org/stable/c/7205b58702273baf21d6ba7992e6ba15852325f7