QID 198419

Date Published: 2021-06-29

QID 198419: Ubuntu Security Notification for Linux kernel (OEM) vulnerabilities (USN-5001-1)

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

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).
A privileged local attacker could use this issue to cause a denial of service (system crash) or possibly execute arbitrary code. (
Cve-2021-23134).

  • CVSS V3 rated as High - 7.8 severity.
  • CVSS V2 rated as High - 7.2 severity.
    • Solution
    Refer to Ubuntu advisory: USN-5001-1 for affected packages and patching details, or update with your package manager.
    Vendor References

    CVEs related to QID 198419

    CVE-2020-26145 | CVE-2021-23134 | CVE-2020-24586 | CVE-2020-26147 | CVE-2021-3506 | CVE-2021-31440 | CVE-2020-24587 | CVE-2020-26139 | CVE-2021-33034 | CVE-2020-26141 | CVE-2020-24588 | CVE-2021-32399 | CVE-2021-3543 | CVE-2021-23133 | CVE-2021-3609 |
    Software Advisories
    Advisory ID Software Component Link
    USN-5001-1 Ubuntu Linux URL Logo usn.ubuntu.com/5001-1
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