CVE-2026-64378

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 3.0% 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

Awaiting Analysis. NVD last modified this record on 2026-08-17.

Red Hat severity

Important. 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

2026-07-25 08:50Z1 MO AGO

Last updated

2026-08-17 04:54Z18 DAYS 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

No CWE assigned

Data version

5.2

Document digest

d57e27f8ad44467a512712518d0268706115a14f5fc59ba1a859b5e21aafccf2

• git.kernel.orghttps://git.kernel.org/stable/c/087d5b8b501c570f84bf655164e6698c3ce146e0
• git.kernel.orghttps://git.kernel.org/stable/c/3c9c9648f77e4d14e50676bc51c2174ba9c8d361
• git.kernel.orghttps://git.kernel.org/stable/c/5c3265f3252b2ee50707adaaa3f9bd0df3df72de
• git.kernel.orghttps://git.kernel.org/stable/c/c923cc3cb5cd8945ceaf08252754110643446593
• git.kernel.orghttps://git.kernel.org/stable/c/685fc15a410885b6d4dee64de0dce721b9428b12
• git.kernel.orghttps://git.kernel.org/stable/c/53eeaf4d63068dbc7708b0c7adb20151c812feca
• git.kernel.orghttps://git.kernel.org/stable/c/cba38ec4cbd3a7b8b942a8d52531a05be8a9ff0d