Exploit Released for Unpatched Ubuntu Linux Flaw Enabling Host-Root Container Escape

Kurzinfo

Metadaten

Original (extern): Link oeffnen
Veroeffentlicht: 2026-09-23 11:12 UTC
Importiert: 2026-09-29 18:17 UTC
CVSS: 7.8
Quelle-ID: thn_global
uid_hash: 05915a6c65b559330b57cf02f4c6b3bd6f6611ccea7b92d2f72922f685494c41

The Hacker News

Inhalt

A use-after-free in the Linux kernel's AF_UNIX socket subsystem can be used to escape a container and gain root on the host, security firm DepthFirst said in research published September 22.

The flaw, tracked as CVE-2026-80521 (CVSS score: 7.8), was fixed upstream on August 6, but Ubuntu has not shipped the patch for its 26.04, 24.04, or 22.04 LTS releases. DepthFirst

Verknuepfte CVEs

CVE-ID	Severity (Quelle)	CVSS (Quelle)	Severity (CVE.org)	CVSS (CVE.org)	EPSS	EPSS-Pctl	Veroeffentlicht (CVE.org)
CVE-2026-80521	HIGH	7.8	HIGH	7.8			2026-08-26

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