CVE-2026-46289

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

0.46% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 37.7% 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 2026-07-23.

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

2026-06-08 15:46Z2 MO AGO

Last updated

2026-08-05 12:31Z1 MO AGO

Reserved

2026-05-13

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-401Missing Release of Memory after Effective LifetimeVariant
• CWE-787Out-of-bounds WriteBase

Data version

5.2

Document digest

ee3db7a9d0fa71448d44384913a139b6604b96b2cfa62c5ce58d24980514812b

• git.kernel.orghttps://git.kernel.org/stable/c/3f17500e86d730c76db638bb3ae52f9b5e496c76
• git.kernel.orghttps://git.kernel.org/stable/c/e5e22fc9963469e678c4f4bb38d26adcec107f1e
• git.kernel.orghttps://git.kernel.org/stable/c/8fbba6829057979149d1b37d65690c037f3ddf4d
• git.kernel.orghttps://git.kernel.org/stable/c/9d38756d0a93b66163554219fa9c3365f40c4035
• git.kernel.orghttps://git.kernel.org/stable/c/07b7d66e65d9cfe6b9c2c34aa22cfcaac37a5c45