CVE-2026-64322

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

0.17% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 6.3% 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 2026-09-04.

Red Hat severity

Low. 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 08:49Z1 MO AGO

Last updated

2026-08-17 04:53Z18 DAYS 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

Data version

5.2

Document digest

8a90515cf331f7048b5dd9a88c1101632c5d794a8a7d6923d7e4083207748cd1

• git.kernel.orghttps://git.kernel.org/stable/c/eeb0f3e193f8e523d03e4c9e084f6b4875f50e8e
• git.kernel.orghttps://git.kernel.org/stable/c/0a9b79a951cfd70a9d31ca01ae2d08a20bb730e9
• git.kernel.orghttps://git.kernel.org/stable/c/2d726135099313958f8975532a2e15322ff150ce
• git.kernel.orghttps://git.kernel.org/stable/c/7285276aa50d2839afb5957ffd491ad282dc8f72
• git.kernel.orghttps://git.kernel.org/stable/c/2a219acb2ce674d99bbd1b7b35ed8c384dac7200
• git.kernel.orghttps://git.kernel.org/stable/c/04f4599a9efb90992d072a814960edf0cd62805d
• git.kernel.orghttps://git.kernel.org/stable/c/7f7774b9da0ef17b87bfa238cf966ad0b3376150
• git.kernel.orghttps://git.kernel.org/stable/c/3ec997bd5508e9b25210b5bbec89031629cdb093