CVE-2026-64102

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

0.50% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 40.7% of scored records. A rank, not a probability.

NVD base score

9.8 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

NVD analysis status

Analyzed. NVD last modified this record on 2026-08-12.

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

2026-07-19 15:40Z1 MO AGO

Last updated

2026-08-05 12:39Z1 MO AGO

Reserved

2026-07-19

Assigning CNA

Linux

Record state

PUBLISHED

Severity

Critical (CVSS 9.8)

CNA CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weaknesses

• CWE-125Out-of-bounds ReadBase
• CWE-825Expired Pointer DereferenceBase

Data version

5.2

Document digest

13740562a64441dcf4aea418caa36246dd033e5a4bd8da236fe6c87bd815c982

• git.kernel.orghttps://git.kernel.org/stable/c/683f7cfbf514193d63c0efa079f3352bde84c2e0
• git.kernel.orghttps://git.kernel.org/stable/c/4a331582011d9e8089af8aa2a61ec6b4443bb245
• git.kernel.orghttps://git.kernel.org/stable/c/33a8b5e971e294ec2a7b74211c545e09efd8e9ac
• git.kernel.orghttps://git.kernel.org/stable/c/14553be882d9ce91749c9d64041de66e34ad8e70
• git.kernel.orghttps://git.kernel.org/stable/c/c7c0c0f4379dedec12d24dbb9dded5d2db7fd9f2
• git.kernel.orghttps://git.kernel.org/stable/c/1012896f4225e8f801ff3c1648023845b66dfb11
• git.kernel.orghttps://git.kernel.org/stable/c/775b4dc9618a99a1fa48b57554041a5dc17e1336
• git.kernel.orghttps://git.kernel.org/stable/c/0ce1bc9e46ecabe84772bb561e373c0d9876d6f2