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Ubuntu Security NoticesUSN-8826-1

USN-8826-1: LXC vulnerabilities

Severity not listed 2 CVEs Published Sep 28, 2026 at 5:47 AM UTC

Summary

Maher Azzouzi discovered that LXC did not correctly handle logging certain failure messages. An attacker could possibly use this issue to leak sensitive information. This issue only affected Ubuntu 16.04 LTS, Ubuntu 18.04 LTS, Ubuntu 20.04 LTS, Ubuntu 22.04 LTS and Ubuntu 24.04 LTS. (CVE-2022-47952) Sam Sanoop discovered that LXC did not correctly handle certain forms of user authorization.

An attacker could possibly use this issue to cause a denial of service. (CVE-2026-39402)

Products covered

A separate affected-products list was not included in the collected bulletin.

Remediation

Separate remediation guidance was not included in the collected bulletin.

CVEs in this advisory 2

Updates

  1. Published by Ubuntu

    The publication date reported by the vendor.

  2. Added to SecurityAlert

    We collected the advisory from the official source.

  3. Confirmed at the source

    Our collector saw this advisory during a later source check.