CVE-2026-64051

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 2026-09-02.

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

2026-07-19 15:39Z1 MO AGO

Last updated

2026-08-05 12:38Z1 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-787Out-of-bounds WriteBase
• CWE-416Use After FreeVariant

Data version

5.2

Document digest

61e181ea6c908bac105fdf7541ab8bf18e7b1395b7e2f1374fee4b084274578a

• git.kernel.orghttps://git.kernel.org/stable/c/9baafc2fea096279e75480f93fd5942e8336b510
• git.kernel.orghttps://git.kernel.org/stable/c/8dd6edbe26770df147136c3f2ac976c873b82650
• git.kernel.orghttps://git.kernel.org/stable/c/97a8e89cdef36207a8776edc03d6931763a06ad0
• git.kernel.orghttps://git.kernel.org/stable/c/8c795012d0e06b7740e40319b86ff8d2a435098d
• git.kernel.orghttps://git.kernel.org/stable/c/aa16b2bc0f02709919e2435f531406531e5bcc69