CVE-2026-53362 · netVigilance record NV26-0200

Linux Kernel Unspecified

past due

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.

CISA deadline 2026-08-30 · passed 11 days ago · applies to US federal civilian agencies; used elsewhere as a reference SLA

What happened

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.

Who is affected

Linux Kernel. Affected version ranges are listed in the vendor advisory and the NVD entry linked under Sources.

Timeline

2026-08-27
Added to CISA KEVExploitation in the wild confirmed by CISA
2026-08-30
CISA remediation deadlinepassed 11 days ago

Sources

NVD entry for CVE-2026-53362 nvd.nist.gov/vuln/detail/CVE-2026-53362
CISA Known Exploited Vulnerabilities catalog www.cisa.gov/known-exploited-vulnerabilities-catalog
git.kernel.org git.kernel.org/stable/c/14200d435af9a9eeb444f529fc2f689a236b7962
git.kernel.org git.kernel.org/stable/c/65fb14cbebb0cd0eff903a22d33537ddc8b95769
git.kernel.org git.kernel.org/stable/c/46f201f8b4c39633a1fa3dc12459f506d470993d
git.kernel.org git.kernel.org/stable/c/6374fb9edf72c67a118a2c214a0dddd04c921e0a
git.kernel.org git.kernel.org/stable/c/e9eacf19281ea2498b36291b56c9606118c2d74e
git.kernel.org git.kernel.org/stable/c/736b380e28d0480c7bc3e022f1950f31fe53a7c5
cisa.gov www.cisa.gov/news-events/directives/bod-26-04-prioritizing-security-updates-based-risk
cisa.gov www.cisa.gov/news-events/directives/bod-26-04-implementation-guidance-prioritizing-security-updates-based-risk
nvd.nist.gov nvd.nist.gov/vuln/detail/CVE-2026-53362