What it is
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.
What to do
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.
Vendor notices and references
- git.kernel.org/stable/c/14200d435af9a9eeb444f529fc2f689a236b7962
- git.kernel.org/stable/c/65fb14cbebb0cd0eff903a22d33537ddc8b95769
- git.kernel.org/stable/c/46f201f8b4c39633a1fa3dc12459f506d470993d
- git.kernel.org/stable/c/6374fb9edf72c67a118a2c214a0dddd04c921e0a
- git.kernel.org/stable/c/e9eacf19281ea2498b36291b56c9606118c2d74e
- git.kernel.org/stable/c/736b380e28d0480c7bc3e022f1950f31fe53a7c5
- nvd.nist.gov/vuln/detail/CVE-2026-53362
Description and required action as published by CISA. Full record at NVD.
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- Kernel Linux Kernel Improper Check for Unusual or Exceptional Conditions Vulnerability CVE-2025-39682 · Sep 18, 2026
- Kernel Linux Kernel Out-of-Bounds Write Vulnerability CVE-2022-0995 · Aug 26, 2026
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