Linux Security Updates – 17 May 2026

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Linux has released security updates to address several vulnerabilities in Linux Kernel.

The addressed vulnerabilities could allow the attacker to perform denial of service attacks, obtain sensitive information, or gain elevated privileges on the affected system.

Sample of the addressed vulnerabilities:

1. Linux Kernel Local Privilege Escalation Vulnerability (CVE-2026-46300):

  • CVSS: 7.8
  • Attack Vector: Local
  • Attack Complexity: Low
  • Privileges Required: Low
  • User Interaction: None
  • Consequences: Gain Privileges

2. Linux Kernel Local Information Disclosure Vulnerability (CVE-2026-46333):

  • CVSS: 7.8
  • Attack Vector: Local
  • Attack Complexity: Low
  • Privileges Required: Low
  • User Interaction: None
  • Consequences: Obtain Information

It should be highlighted that security researchers disclosed a proof-of-concept (PoC) exploit that exists in the wild for the vulnerability “CVE-2026-46300”.

Vulnerabilities
  • CVE-2026-46300
  • CVE-2026-46333
  • CVE-2026-8449
Mitigations

The enterprise should deploy the patches as soon as the testing phase is completed and should check with its vendors for updates, if any.

Below is a sample of the distributors’ fixes:

References