CVE-2026-53189

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

0.13% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 3.0% 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 2026-07-06.

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

2026-06-25 08:39Z2 MO AGO

Last updated

2026-08-05 12:33Z1 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-364Signal Handler Race ConditionBase

Data version

5.2

Document digest

8fc6d2520bae70228dcaab53d6773567c9e42a89cd107e8ed90d0d84487da523

• git.kernel.orghttps://git.kernel.org/stable/c/84b3212b166b446faea27ebebb7161405ffceef9
• git.kernel.orghttps://git.kernel.org/stable/c/108963978a681c0c468d279cac2b930c27672877
• git.kernel.orghttps://git.kernel.org/stable/c/459771c9cf30f378bdbd30fc65d17f7eb931bb59
• git.kernel.orghttps://git.kernel.org/stable/c/ae9d4caf6f133e884cf5fcda4982c493b35e5194
• git.kernel.orghttps://git.kernel.org/stable/c/6c29a8ba084e89499ca77b947e07ae817f9c16ce
• git.kernel.orghttps://git.kernel.org/stable/c/5f5b604e1e6bde4e889199168ee80fe8306d06ad
• git.kernel.orghttps://git.kernel.org/stable/c/ed5b030931292c94133437ac5e5ff580e498eabd
• git.kernel.orghttps://git.kernel.org/stable/c/8d878059924f12c1bc24556a92ec56add74de3c8