CVE-2026-64543

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 2.5% 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

Received. NVD last modified this record on 2026-08-19.

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

2026-07-27 20:10Z1 MO AGO

Last updated

2026-08-19 16:28Z16 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

No CWE assigned

Data version

5.2

Document digest

c2a0f451f6ce20d6c50edc2aa04043948d6f2e745d87c4d45672bd0e441e1a93

• git.kernel.orghttps://git.kernel.org/stable/c/380413cdfd29fb9fa486c82889132b680c4983c5
• git.kernel.orghttps://git.kernel.org/stable/c/f05b3f4c78370469286879c765f5a1dd39dbcd32
• git.kernel.orghttps://git.kernel.org/stable/c/4da2ac7749411971e1b222b992da5a172ce45f98
• git.kernel.orghttps://git.kernel.org/stable/c/5e215bf1c47fdddf8203a0fe80a0ed594065f101
• git.kernel.orghttps://git.kernel.org/stable/c/ec7d54d8cc1723921d671e3272b427c96366506f
• git.kernel.orghttps://git.kernel.org/stable/c/a0c5fdeb5fa257f8c6d469af266bc087cb5de6a2
• git.kernel.orghttps://git.kernel.org/stable/c/b65289e1c3f352a9f92c6e19713ddd647e033253
• git.kernel.orghttps://git.kernel.org/stable/c/1579342d71133da7f00daa02c75cebec7372097b