CVE-2026-52982

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

0.54% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 43.1% 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 2026-07-14.

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 16:28Z2 MO AGO

Last updated

2026-08-05 12:32Z1 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-416Use After FreeVariant
• CWE-364Signal Handler Race ConditionBase

Data version

5.2

Document digest

7ecc7b64a5cdb002ac6f42f2afa0408b17dbad6594977a7b06781fc18532c5c9

• git.kernel.orghttps://git.kernel.org/stable/c/5af290c86fa81ddbc86a08d54229af5daa40c6a4
• git.kernel.orghttps://git.kernel.org/stable/c/24831b0b2ada9fef18d1f486b7b7c444ee5ba637
• git.kernel.orghttps://git.kernel.org/stable/c/423b5b86e14e190f6e3161eb5f2ea5f908295ba7
• git.kernel.orghttps://git.kernel.org/stable/c/5db090ca07b28a63fb1499690cf19a3f3adafacb
• git.kernel.orghttps://git.kernel.org/stable/c/30cf9829d09ca958279c937af8e35495cd2f1e09
• git.kernel.orghttps://git.kernel.org/stable/c/6999d70e0eda39af029fa1891c48f0a8832b09d5
• git.kernel.orghttps://git.kernel.org/stable/c/4dd7eb94f79486b77ca6b4c8676aedbc465dc802
• git.kernel.orghttps://git.kernel.org/stable/c/23f0e34c64acba15cad4d23e50f41f533da195fa