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CVE-2026-53362

Linux Kernel Unspecified Vulnerability

Linux KernelOperating systems
Open in ThreatlineRecord JSON
CVSS
7.8High
ExploitationExploited in the wildAdded to KEV 27 Aug 2026CISA KEV
Exploit odds (EPSS)0.71%Chance of exploitation activity in the next 30 days, higher than 52% of CVEs. Scored 23 Oct 2026FIRST EPSS
Fixed in14200d435af9a9eeb444f529fc2f689a236b7962Also 65fb14cbebb0cd0eff903a22d33537ddc8b95769, 46f201f8b4c39633a1fa3dc12459f506d470993d and 2 moreCVE List
Federal deadline30 Aug 2026Remediation due date for US federal agenciesCISA KEV
CISA required actionApply 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 KEV
Patching is not enoughCISA requires federal agencies to look for signs of compromise on affected systems, not only patch (forensic triage under BOD 26-04). Treat exposed systems as possibly compromised. CISA guidance

What fixes it

  • 14200d435af9a9eeb444f529fc2f689a236b7962LinuxCVE List
  • 65fb14cbebb0cd0eff903a22d33537ddc8b95769LinuxCVE List
  • 46f201f8b4c39633a1fa3dc12459f506d470993dLinuxCVE List
  • 6374fb9edf72c67a118a2c214a0dddd04c921e0aLinuxCVE List
  • 736b380e28d0480c7bc3e022f1950f31fe53a7c5LinuxCVE List

A fixed version on one release line is not the upgrade target for every line. Check your exact version and any vendor backports.

Timeline

  1. 4 Jul 2026, 11:56 UTCPublishedCVE List
  2. 27 Aug 2026Added to CISA KEVCISA KEV

Description

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.

Text from CVE List

Affected versions 14

  • Linuxaffected: 773ba4fe9104a64a54d1c00f0fb6ffb95def2b03 before 14200d435af9a9eeb444f529fc2f689a236b7962CVE List
  • Linuxaffected: 773ba4fe9104a64a54d1c00f0fb6ffb95def2b03 before 65fb14cbebb0cd0eff903a22d33537ddc8b95769CVE List
  • Linuxaffected: 773ba4fe9104a64a54d1c00f0fb6ffb95def2b03 before 46f201f8b4c39633a1fa3dc12459f506d470993dCVE List
  • Linuxaffected: 773ba4fe9104a64a54d1c00f0fb6ffb95def2b03 before 6374fb9edf72c67a118a2c214a0dddd04c921e0aCVE List
  • Linuxaffected: 773ba4fe9104a64a54d1c00f0fb6ffb95def2b03 before e9eacf19281ea2498b36291b56c9606118c2d74eCVE List
  • Linuxaffected: 773ba4fe9104a64a54d1c00f0fb6ffb95def2b03 before 736b380e28d0480c7bc3e022f1950f31fe53a7c5CVE List
  • Linuxaffected: 6.0CVE List
  • Linuxunaffected: all versions before 6.0CVE List
  • Linuxunaffected: 6.1.177 through 6.1.*CVE List
  • Linuxunaffected: 6.6.144 through 6.6.*CVE List
  • Linuxunaffected: 6.12.95 through 6.12.*CVE List
  • Linuxunaffected: 6.18.38 through 6.18.*CVE List
  • Linuxunaffected: 7.1.3 through 7.1.*CVE List
  • Linuxunaffected: 7.2CVE List

References 9