CVE-2026-52947

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

0.14% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 3.2% 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 2026-07-14.

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

2026-06-24 16:26Z2 MO AGO

Last updated

2026-08-05 12:31Z1 MO AGO

Reserved

2026-06-09

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-416Use After FreeVariant
• CWE-911Improper Update of Reference CountBase

Data version

5.2

Document digest

cba6882b92b8d4342169d15e7539f4298ac3024752c5b47b1e2dad47fe262b9a

• git.kernel.orghttps://git.kernel.org/stable/c/2aa4c12723fe432e623462a3be42a197a128722b
• git.kernel.orghttps://git.kernel.org/stable/c/03bfa95e452e2b6ccd76a332060ae4feaf5ad84d
• git.kernel.orghttps://git.kernel.org/stable/c/474293d90880622fde9d2430fb0165767090f7b3
• git.kernel.orghttps://git.kernel.org/stable/c/2047c2aa0963bb2872fd722300a15bcb441a4c00
• git.kernel.orghttps://git.kernel.org/stable/c/7de2d447072be3b1a76793f034432338fc9c494b
• git.kernel.orghttps://git.kernel.org/stable/c/ab269990ed58143a92a263be1bee626d82ac03da
• git.kernel.orghttps://git.kernel.org/stable/c/3b20ec8f31e8a6a6782243f473b0abd3463621df
• git.kernel.orghttps://git.kernel.org/stable/c/a2171131ecda1ed61a594a1eb715e75fdad0fef5