QID 198417

Date Published: 2021-06-29

QID 198417: Ubuntu Security Notification for Linux kernel vulnerabilities (USN-4999-1)

Race condition in the can bcm networking protocol of the linux kernel leading to multiple use-after-free vulnerabilities.

Note: The preceding description block is extracted directly from the security advisory. Using automation, we have attempted to clean and format it as much as possible without introducing additional issues.

a local attacker could use this issue to execute arbitrary code. (
Cve-2021-3609).

  • CVSS V3 rated as High - 7.8 severity.
  • CVSS V2 rated as High - 7.2 severity.
  • Solution
    Refer to Ubuntu advisory: USN-4999-1 for affected packages and patching details, or update with your package manager.
    Vendor References
    Software Advisories
    Advisory ID Software Component Link
    USN-4999-1 Ubuntu Linux URL Logo usn.ubuntu.com/4999-1