CVE-2026-64220

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

0.12% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 2.5% 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 2026-08-11.

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

2026-07-24 15:23Z1 MO AGO

Last updated

2026-07-24 15:23Z1 MO 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-908Use of Uninitialized ResourceBase
• CWE-824Access of Uninitialized PointerBase

Data version

5.2

Document digest

af22fa77e6c9a8e9025d4bcbda3ea3266b652ff1837249f2bdd5104c0347914b

• git.kernel.orghttps://git.kernel.org/stable/c/f0e211d6539fae800217c10797993b7592d6ab01
• git.kernel.orghttps://git.kernel.org/stable/c/3f1024deeab3b5443c29b3de4fe475e87309b8fa
• git.kernel.orghttps://git.kernel.org/stable/c/371f53925a6714d0aa35f1aefdffc3e8cd62f480
• git.kernel.orghttps://git.kernel.org/stable/c/34bf74b1fd2e4a44e27821a329204caf09df2976
• git.kernel.orghttps://git.kernel.org/stable/c/508fd8ab158abd04b7f7d0f707cd6d6c405df4ea
• git.kernel.orghttps://git.kernel.org/stable/c/f59e686c778cb41b8f7aa8fab2afd6a01afb3d47
• git.kernel.orghttps://git.kernel.org/stable/c/215c90ee656114f5e8c32408228d97082f8e0eef