CVE-2026-45933

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

0.18% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 7.4% 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

Undergoing Analysis. NVD last modified this record on 2026-06-24.

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

2026-05-27 12:17Z3 MO AGO

Last updated

2026-08-05 12:28Z1 MO AGO

Reserved

2026-05-13

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-911Improper Update of Reference CountBase

Data version

5.2

Document digest

ec3f6c10a7bead5a5665d26a18367fab34e6beab6a0db9b8ea6ef00d00aa5ff2

• git.kernel.orghttps://git.kernel.org/stable/c/58059335e46537de682db84984f7716c813208c4
• git.kernel.orghttps://git.kernel.org/stable/c/92a8cb1806adefb263cf096eab6705705cf7eee1
• git.kernel.orghttps://git.kernel.org/stable/c/65d114b5270b62aefb820ecd6c3b7caeea8f895d
• git.kernel.orghttps://git.kernel.org/stable/c/af9e89d8dd39530c8bd14c33ddf6b502df1071b6