Linux kernel vulnerabilities in Ubuntu

72% confidence

Description

Multiple vulnerabilities in the Linux kernel affecting various Ubuntu LTS and current releases. Security notices were published between July 13-19, 2026 to address these issues.

Affected Products

Vendor	Product	Versions
canonical	ubuntu linux kernel	Ubuntu 14.04 LTS, Ubuntu 16.04 LTS, Ubuntu 20.04 LTS, Ubuntu 24.04 LTS, Ubuntu 25.10

Related News (1 articles)

Tier B

CCCS Canada19d ago

Ubuntu security advisory (AV26-717)

→ No new info (linked only)

CISA KEV❌ No

Actively exploited❌ No

PublishedJul 20, 2026

Last enriched19d ago

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Related CVEs (5)

NONECVE-2026-45893EXP

apparmor: Fix & Optimize table creation from possibly unaligned memory

Trending: 14

HIGHCVE-2026-8933

snap-confine Local Privilege Escalation via Capabilities Misconfiguration or Flaw in Execution Environment Setup

Trending: 11

HIGHCVE-2026-15226

snapd snap-confine Sandbox Confinement Bypass via Omission of setuid Restriction in Seccomp Templates

Trending: 6

MEDIUMCVE-2024-5300

AppArmor Base Profile Misconfiguration in snapd Permits Confined Snaps Unauthorized Access to Hashed Passwords via systemd-userdbd

Trending: 5

CRITICALCVE-2026-11386

ubuntu-pro-client Input Validation Vulnerability Leading to Arbitrary APT Directive Injection and Remote Code Execution

Trending: 4

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Verification

State: reported

Confidence: 72%

Vulnerability Timeline

CVE Published

Jul 20, 2026

Discovered by ZDM

Jul 20, 2026