CVE-2026-64058

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 2.7% 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

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

2026-07-19 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-367Time-of-check Time-of-use (TOCTOU) Race ConditionBase
• CWE-125Out-of-bounds ReadBase

Data version

5.2

Document digest

f372384886a0c6c642388b1af7befaa645c1047d43f7ce47aaace3672b4f51a2

• git.kernel.orghttps://git.kernel.org/stable/c/f17b9121bb99f88188ec9be2db5da1d561f4c01b
• git.kernel.orghttps://git.kernel.org/stable/c/b8271cccdd5e43cc8d738afb8b51f6ad05b1cb4b
• git.kernel.orghttps://git.kernel.org/stable/c/ded0c6f1606061148c202825f7e53d711f9f84cf