CVE-2026-53362 - Linux Kernel Unspecified Vulnerability

Technical Severity

CVSS v3.1 Metrics

HIGH

7.8 / 10

Minimal Risk Critical

Vector Specification

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Exploitation Likelihood

EPSS Prediction

0.27 %

Predictive Probability

Percentile Rank

18.0 th

Documented as more likely to be exploited than 18.0% of known CVEs.

Detection Date

Aug 27, 2026

Remediation Due

Aug 30, 2026

CISA Catalog Active

Threat Analysis

Linux Kernel contains an unspecified vulnerability that can allow for privilege escalation via IPv6 networking subsystem. This vulnerability can impact multiple products, including but not limited to Suse, Red Hat, and other products using Linux.

Remediation Directive

Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.

External Intelligence

https://git.kernel.org/stable/c/14200d435af9a9eeb444f529fc2f689a236b7962

https://git.kernel.org/stable/c/65fb14cbebb0cd0eff903a22d33537ddc8b95769

https://git.kernel.org/stable/c/46f201f8b4c39633a1fa3dc12459f506d470993d

https://git.kernel.org/stable/c/6374fb9edf72c67a118a2c214a0dddd04c921e0a

https://git.kernel.org/stable/c/e9eacf19281ea2498b36291b56c9606118c2d74e

https://git.kernel.org/stable/c/736b380e28d0480c7bc3e022f1950f31fe53a7c5

CISA

CISA Advisory

https://www.cisa.gov/news-events/directives/bod-26-04-prioritizing-security-updates-based-risk

CISA

CISA Advisory

https://www.cisa.gov/news-events/directives/bod-26-04-implementation-guidance-prioritizing-security-updates-based-risk

NVD

National Vulnerability Database

https://nvd.nist.gov/vuln/detail/CVE-2026-53362