CVE-2026-64347

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

0.18% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 7.4% of scored records. A rank, not a probability.

NVD base score

5.5 (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:N/I:N/A:H

NVD analysis status

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

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

2026-07-25 08:50Z1 MO AGO

Last updated

2026-08-17 04:53Z18 DAYS AGO

Reserved

2026-07-19

Assigning CNA

Linux

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-667Improper LockingClass
• CWE-125Out-of-bounds ReadBase

Data version

5.2

Document digest

ff7f88d9d92f453e03f9cb2058d596f78e4507f658da2285a08e4d54d024cc3c

• git.kernel.orghttps://git.kernel.org/stable/c/2454264b2ab4cf0055c0bfd39e79f830452bd0db
• git.kernel.orghttps://git.kernel.org/stable/c/d3e72cfef2e38bd588055739a8100d14f9773b17
• git.kernel.orghttps://git.kernel.org/stable/c/8ac463fe6c0f85bdb1ce8c30e8c9e060802e4483
• git.kernel.orghttps://git.kernel.org/stable/c/56add2b9b2e89ec61c0761165d758f73004fdfdf
• git.kernel.orghttps://git.kernel.org/stable/c/91b3ecd34b60f950c50c560974945b6596a6f207
• git.kernel.orghttps://git.kernel.org/stable/c/01feaf024f29618d5ffa7ab0fd858e0579dcbf7b
• git.kernel.orghttps://git.kernel.org/stable/c/fcb21bf747640c9d6bd1eda9da85420f076d59c1
• git.kernel.orghttps://git.kernel.org/stable/c/f8f680609c2b3ab795ffcd6f21585b6dfc46d395