New OVSwrap Linux Kernel Flaw Lets Local Users Gain Root via Open vSwitch

Kurzinfo

Metadaten

  • Original (extern): Link oeffnen
  • Veroeffentlicht: 2026-08-05 11:43 UTC
  • Importiert: 2026-08-11 09:48 UTC
  • CVSS: 7.8
  • Quelle-ID: thn_global
  • uid_hash: 57ddfe385cb85392fba5a5769f3ececb5eeadee709cf7652052238a07211de27

Inhalt

A memory corruption flaw in the Linux kernel's Open vSwitch datapath gives ordinary local users a path to root on a broad set of default-configured distributions, and a public exploit ships with pre-built records for roughly 800 kernel builds.

The vulnerability, tracked as CVE-2026-64531 (CVSS score: 7.8) and codenamed OVSwrap by its discoverer, was disclosed by security researcher Asim

Verknuepfte CVEs

CVE-ID Severity (Quelle) CVSS (Quelle) Severity (CVE.org) CVSS (CVE.org) EPSS EPSS-Pctl Veroeffentlicht (CVE.org)

CVE-2026-64531

HIGH

7.8

HIGH

7.8

2026-07-27

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