CVE-2026-64442

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

0.29% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 21.0% of scored records. A rank, not a probability.

NVD base score

8.1 (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:N/A:H

NVD analysis status

Analyzed. NVD last modified this record on 2026-09-03.

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

2026-07-25 08:51Z1 MO AGO

Last updated

2026-08-17 04:55Z18 DAYS AGO

Reserved

2026-07-19

Assigning CNA

Linux

Record state

PUBLISHED

Severity

High (CVSS 8.1)

CNA CVSS vector

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

Weaknesses

• CWE-125Out-of-bounds ReadBase

Data version

5.2

Document digest

9988327b82bac7da4dad0522be737f619fad580d9ad61efd23587cc599119bee

• git.kernel.orghttps://git.kernel.org/stable/c/bc881c9915c4468747d0ca5fd1abd7b313cfb0f4
• git.kernel.orghttps://git.kernel.org/stable/c/605ebd94d0f469204f3c9f2f84acc71e43e2780f
• git.kernel.orghttps://git.kernel.org/stable/c/a830bdc82461353bf7b1f8a2ad2689bf5d2de444
• git.kernel.orghttps://git.kernel.org/stable/c/4c21eec80cf502d9ea18e0b946246b2376452786
• git.kernel.orghttps://git.kernel.org/stable/c/ad2637c46ef8b8ae0894372a2d39fdfcdc420a1e
• git.kernel.orghttps://git.kernel.org/stable/c/c38d16b1ffac385c9e4b38447cd5c46af1114b58
• git.kernel.orghttps://git.kernel.org/stable/c/402f13ec95945f34a210b28df1f8740d3d4a58c5
• git.kernel.orghttps://git.kernel.org/stable/c/ef61d628dfad38fead1fd2e08979ae9126d011d5