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OpenAdvisories
Unscored USN-4591-1 2 CVEs

linux, linux-hwe, linux-hwe-5.4, linux-oem, linux-raspi, linux-raspi-5.4, linux-snapdragon vulnerabilities

Published Oct 19, 2020 · Updated Jun 3, 2026

Summary

Andy Nguyen discovered that the Bluetooth L2CAP implementation in the Linux
kernel contained a type-confusion error. A physically proximate remote
attacker could use this to cause a denial of service (system crash) or
possibly execute arbitrary code. (CVE-2020-12351)

Andy Nguyen discovered that the Bluetooth A2MP implementation in the Linux
kernel did not properly initialize memory in some situations. A physically
proximate remote attacker could use this to expose sensitive information
(kernel memory). (CVE-2020-12352)

Fixed packages 8

ReleasePackageFixed in
Ubuntu · 16.04 LTS 16.04:LTS linux-hwe 4.15.0-122.124~16.04.1
Ubuntu · 18.04 LTS 18.04:LTS linux 4.15.0-122.124
Ubuntu · 18.04 LTS 18.04:LTS linux-hwe-5.4 5.4.0-52.57~18.04.1
Ubuntu · 18.04 LTS 18.04:LTS linux-oem 4.15.0-1100.110
Ubuntu · 18.04 LTS 18.04:LTS linux-raspi-5.4 5.4.0-1022.25~18.04.1
Ubuntu · 18.04 LTS 18.04:LTS linux-snapdragon 4.15.0-1090.99
Ubuntu · 20.04 LTS 20.04:LTS linux 5.4.0-52.57
Ubuntu · 20.04 LTS 20.04:LTS linux-raspi 5.4.0-1022.25

Vulnerabilities 2

References

  • report
    https://ubuntu.com/security/CVE-2020-12351
  • report
    https://ubuntu.com/security/CVE-2020-12352