CVE-2026-64189

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

0.10% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 0.8% 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 2026-08-17.

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

2026-07-20 16:27Z1 MO AGO

Last updated

2026-08-17 04:51Z18 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

6d7d0ce5ba201ae7c0f4ba1096edc98972d96930e92838ba667303045bd5a713

• git.kernel.orghttps://git.kernel.org/stable/c/a7a299277959683204d73333c32c092fd69327d4
• git.kernel.orghttps://git.kernel.org/stable/c/1bc67c3fc98e9fc07032cc56afcdbc690c47d11e
• git.kernel.orghttps://git.kernel.org/stable/c/e8a9976b61f1bc4aa7fd25fa26726dfdf2adf710
• git.kernel.orghttps://git.kernel.org/stable/c/96fbafc20ebd9a613736c2998b89c539fe3042f5
• git.kernel.orghttps://git.kernel.org/stable/c/ff86ea9b7fdf70564e60436fbee68c96bc459943
• git.kernel.orghttps://git.kernel.org/stable/c/81d54c766337b923eec26da0a13406760b091093
• git.kernel.orghttps://git.kernel.org/stable/c/e8ee198bbc04a32d336e79160fde980e0235b39f
• git.kernel.orghttps://git.kernel.org/stable/c/7cd9103283b26b917360ec99d7d2f2d761bcf1ab