CVE-2026-64218

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 2.8% 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 2026-08-11.

Red Hat severity

Important. 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

2026-08-05 12:40Z1 MO 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-825Expired Pointer DereferenceBase

Data version

5.2

Document digest

78bdaf35c2e28ca76ed7bdf9bc58acf981208bc827c483e501b4268a443ac9b8

• git.kernel.orghttps://git.kernel.org/stable/c/ce2c0ee4d76d5ee4b391fe0e31334361e25030ec
• git.kernel.orghttps://git.kernel.org/stable/c/3423a45e5c3d3c5129f88143a9a969787d7d5a0a
• git.kernel.orghttps://git.kernel.org/stable/c/f1303adb1e59582f76c22798a2e2e150e054a9e7
• git.kernel.orghttps://git.kernel.org/stable/c/48663158222b3b7f6ee6791a67d512ede7fc94bb
• git.kernel.orghttps://git.kernel.org/stable/c/eeddd7bab3d59c1e98642a204141f8c5d6194707
• git.kernel.orghttps://git.kernel.org/stable/c/c6de1a5a9c406e30b91f1515a6ce05cc84023baa
• git.kernel.orghttps://git.kernel.org/stable/c/95a7034661274cf5985708bd2f6d86ee46f88fa9
• git.kernel.orghttps://git.kernel.org/stable/c/0459430add32ea41f3e2ef9351610e6d33627a6b