CVE-2026-52931

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

0.40% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 33.0% 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 2026-07-08.

Red Hat severity

No Red Hat rating. Red Hat rates the CVEs that affect its products.

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

2026-06-24 07:14Z2 MO AGO

Last updated

2026-08-05 12:31Z1 MO AGO

Reserved

2026-06-09

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-824Access of Uninitialized PointerBase

Data version

5.2

Document digest

553d0b45ae9d54e530ff9dcb2fe386c9468b7f567a8f4cb0375c9c3c3e421948

• git.kernel.orghttps://git.kernel.org/stable/c/0e388af04b3958b178a1b979527f93eb46ea1fee
• git.kernel.orghttps://git.kernel.org/stable/c/1a21c055f66e78973712a4a1be2a554f1ee2e4f4
• git.kernel.orghttps://git.kernel.org/stable/c/9884c9c02d3c90e9215db3c5128f59045d20ae91
• git.kernel.orghttps://git.kernel.org/stable/c/53f931e0146ae5bdab4cba302646827d06b3794b
• git.kernel.orghttps://git.kernel.org/stable/c/ecdaa3e4d91040206afe21bc8a0d1198a0971ff3
• git.kernel.orghttps://git.kernel.org/stable/c/dc2ae5fbd2dadc26735092f140b246841d969a11
• git.kernel.orghttps://git.kernel.org/stable/c/85397e48afe6be83ffca5ad3f4792296bfc81d3d
• git.kernel.orghttps://git.kernel.org/stable/c/6c65cf23d4c6170fcf5714c32aa64689718cb142