CVE-2026-64134

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

0.13% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 2.8% of scored records. A rank, not a probability.

NVD base score

7.8 (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:H/I:H/A:H

NVD analysis status

Analyzed. NVD last modified this record on 2026-08-13.

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

2026-08-05 12:39Z1 MO AGO

Reserved

2026-07-19

Assigning CNA

Linux

Record state

PUBLISHED

Severity

High (CVSS 7.8)

CNA CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weaknesses

• CWE-476NULL Pointer DereferenceBase

Data version

5.2

Document digest

f152e22fdb8889ec9a55f5f1cd6e82649fd6806283ab1e9d3b0e57afdf366704

• git.kernel.orghttps://git.kernel.org/stable/c/41a766c647294842c9b17672449f8e011048cba9
• git.kernel.orghttps://git.kernel.org/stable/c/ce836587e594af39ff048d9b29dee0f5f10692c9
• git.kernel.orghttps://git.kernel.org/stable/c/feff0251386aa6bb180a0a1cf7c1f91ba868113d
• git.kernel.orghttps://git.kernel.org/stable/c/c9f6768515818d71bdfc20119a81f3332c53b9c6
• git.kernel.orghttps://git.kernel.org/stable/c/e4d3386b74fba8e01280484b67ee481ece00201e