CVE-2026-64186

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 1.9% of scored records. A rank, not a probability.

NVD base score

7.1 (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:N/A:H

NVD analysis status

Analyzed. NVD last modified this record on 2026-08-11.

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

2026-07-19 15:41Z1 MO AGO

Last updated

2026-07-19 15:41Z1 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-125Out-of-bounds ReadBase
• CWE-787Out-of-bounds WriteBase

Data version

5.2

Document digest

49211906857856e12fb9e197805fadce3886e92fee9e5b2e39b411d580921efa

• git.kernel.orghttps://git.kernel.org/stable/c/488d2c76bd9f78433a70690d1054bfae3d39a407
• git.kernel.orghttps://git.kernel.org/stable/c/62f9dfbf1aceae88b03c5ca08f7d36e943939dec
• git.kernel.orghttps://git.kernel.org/stable/c/8dfd3d8d74435344ee8dc9237596959c8b2a6cbe