CVE-2026-64088

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

0.28% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 20.2% of scored records. A rank, not a probability.

NVD base score

8.8 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

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

NVD analysis status

Analyzed. NVD last modified this record on 2026-08-11.

Red Hat severity

No Red Hat rating. Red Hat rates the CVEs that affect its products.

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 15:39Z1 MO AGO

Last updated

2026-08-05 12:39Z1 MO AGO

Reserved

2026-07-19

Assigning CNA

Linux

Record state

PUBLISHED

Severity

High (CVSS 8.8)

CNA CVSS vector

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

Weaknesses

• CWE-908Use of Uninitialized ResourceBase

Data version

5.2

Document digest

c39d6dbf0b87460daf70098b83efe9f5798e0def451136d61c5806d697a5b2cf

• git.kernel.orghttps://git.kernel.org/stable/c/4c4c2f340f4c27373bfcac8dc5032ce7bb474e47
• git.kernel.orghttps://git.kernel.org/stable/c/33e5ede7ce6d92e531920d4bbd6d3e18ef1c6430
• git.kernel.orghttps://git.kernel.org/stable/c/3c96dff00998314983b68a3e7caac07a66ebe496
• git.kernel.orghttps://git.kernel.org/stable/c/32edd2a28e112064020a2f319a8cb8a9e5a09767
• git.kernel.orghttps://git.kernel.org/stable/c/4dab98961426d0cf6a1599cda6950b7596ca2fcd
• git.kernel.orghttps://git.kernel.org/stable/c/730de8733dd90f70d7580a9b329b971f8e1474a2
• git.kernel.orghttps://git.kernel.org/stable/c/ed28ead3420c373a7928622f114bc6168075d1e1
• git.kernel.orghttps://git.kernel.org/stable/c/b64963a2ceeb7529310b6cf253a1e540784422f4