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Unscored USN-5073-3 3 CVEs

linux-raspi2 vulnerabilities

Published Sep 22, 2021 · Updated Jun 3, 2026

Summary

Norbert Slusarek discovered that the CAN broadcast manger (bcm) protocol
implementation in the Linux kernel did not properly initialize memory in
some situations. A local attacker could use this to expose sensitive
information (kernel memory). (CVE-2021-34693)

Murray McAllister discovered that the joystick device interface in the
Linux kernel did not properly validate data passed via an ioctl(). A local
attacker could use this to cause a denial of service (system crash) or
possibly execute arbitrary code on systems with a joystick device
registered. (CVE-2021-3612)

It was discovered that the Virtio console implementation in the Linux
kernel did not properly validate input lengths in some situations. A local
attacker could possibly use this to cause a denial of service (system
crash). (CVE-2021-38160)

Fixed packages 1

ReleasePackageFixed in
Ubuntu · 18.04 LTS 18.04:LTS linux-raspi2 4.15.0-1095.101

Vulnerabilities 3

References

  • report
    https://ubuntu.com/security/CVE-2021-3612
  • report
    https://ubuntu.com/security/CVE-2021-34693
  • report
    https://ubuntu.com/security/CVE-2021-38160