CWE
416 362
Advisory Published

USN-5466-1: Linux kernel vulnerabilities

First published: Wed Jun 08 2022(Updated: )

It was discovered that the Linux kernel did not properly restrict access to the kernel debugger when booted in secure boot environments. A privileged attacker could use this to bypass UEFI Secure Boot restrictions. (CVE-2022-21499) Aaron Adams discovered that the netfilter subsystem in the Linux kernel did not properly handle the removal of stateful expressions in some situations, leading to a use-after-free vulnerability. A local attacker could use this to cause a denial of service (system crash) or execute arbitrary code. (CVE-2022-1966) It was discovered that the SCTP protocol implementation in the Linux kernel did not properly verify VTAGs in some situations. A remote attacker could possibly use this to cause a denial of service (connection disassociation). (CVE-2021-3772) It was discovered that the btrfs file system implementation in the Linux kernel did not properly handle locking in certain error conditions. A local attacker could use this to cause a denial of service (kernel deadlock). (CVE-2021-4149) David Bouman discovered that the netfilter subsystem in the Linux kernel did not initialize memory in some situations. A local attacker could use this to expose sensitive information (kernel memory). (CVE-2022-1016) It was discovered that the virtual graphics memory manager implementation in the Linux kernel was subject to a race condition, potentially leading to an information leak. (CVE-2022-1419) 赵子轩 discovered that the 802.2 LLC type 2 driver in the Linux kernel did not properly perform reference counting in some error conditions. A local attacker could use this to cause a denial of service. (CVE-2022-28356) It was discovered that the EMS CAN/USB interface implementation in the Linux kernel contained a double-free vulnerability when handling certain error conditions. A local attacker could use this to cause a denial of service (memory exhaustion). (CVE-2022-28390)

Affected SoftwareAffected VersionHow to fix
All of
ubuntu/linux-image-4.15.0-1133-aws<4.15.0-1133.143
4.15.0-1133.143
=18.04
All of
ubuntu/linux-image-4.15.0-1119-kvm<4.15.0-1119.123
4.15.0-1119.123
=18.04
All of
ubuntu/linux-image-virtual<4.15.0.184.172
4.15.0.184.172
=18.04
All of
ubuntu/linux-image-4.15.0-184-generic-lpae<4.15.0-184.194
4.15.0-184.194
=18.04
All of
ubuntu/linux-image-aws-lts-18.04<4.15.0.1133.135
4.15.0.1133.135
=18.04
All of
ubuntu/linux-image-generic<4.15.0.184.172
4.15.0.184.172
=18.04
All of
ubuntu/linux-image-oracle-lts-18.04<4.15.0.1098.107
4.15.0.1098.107
=18.04
All of
ubuntu/linux-image-snapdragon<4.15.0.1132.133
4.15.0.1132.133
=18.04
All of
ubuntu/linux-image-4.15.0-1142-azure<4.15.0-1142.156
4.15.0-1142.156
=18.04
All of
ubuntu/linux-image-4.15.0-1127-gcp<4.15.0-1127.142
4.15.0-1127.142
=18.04
All of
ubuntu/linux-image-raspi2<4.15.0.1114.111
4.15.0.1114.111
=18.04
All of
ubuntu/linux-image-azure-lts-18.04<4.15.0.1142.114
4.15.0.1142.114
=18.04
All of
ubuntu/linux-image-generic-lpae<4.15.0.184.172
4.15.0.184.172
=18.04
All of
ubuntu/linux-image-gcp-lts-18.04<4.15.0.1127.145
4.15.0.1127.145
=18.04
All of
ubuntu/linux-image-4.15.0-1132-snapdragon<4.15.0-1132.142
4.15.0-1132.142
=18.04
All of
ubuntu/linux-image-4.15.0-1098-oracle<4.15.0-1098.108
4.15.0-1098.108
=18.04
All of
ubuntu/linux-image-4.15.0-1114-raspi2<4.15.0-1114.122
4.15.0-1114.122
=18.04
All of
ubuntu/linux-image-kvm<4.15.0.1119.114
4.15.0.1119.114
=18.04
All of
ubuntu/linux-image-4.15.0-184-generic<4.15.0-184.194
4.15.0-184.194
=18.04
All of
ubuntu/linux-image-4.15.0-184-lowlatency<4.15.0-184.194
4.15.0-184.194
=18.04
All of
ubuntu/linux-image-lowlatency<4.15.0.184.172
4.15.0.184.172
=18.04
All of
ubuntu/linux-image-oem<4.15.0.184.173
4.15.0.184.173
=16.04
All of
ubuntu/linux-image-lowlatency-hwe-16.04<4.15.0.184.173
4.15.0.184.173
=16.04
All of
ubuntu/linux-image-aws-hwe<4.15.0.1133.122
4.15.0.1133.122
=16.04
All of
ubuntu/linux-image-azure<4.15.0.1142.131
4.15.0.1142.131
=16.04
All of
ubuntu/linux-image-4.15.0-1142-azure<4.15.0-1142.156~16.04.1
4.15.0-1142.156~16.04.1
=16.04
All of
ubuntu/linux-image-gke<4.15.0.1127.126
4.15.0.1127.126
=16.04
All of
ubuntu/linux-image-4.15.0-1127-gcp<4.15.0-1127.142~16.04.1
4.15.0-1127.142~16.04.1
=16.04
All of
ubuntu/linux-image-gcp<4.15.0.1127.126
4.15.0.1127.126
=16.04
All of
ubuntu/linux-image-4.15.0-1133-aws-hwe<4.15.0-1133.143~16.04.1
4.15.0-1133.143~16.04.1
=16.04
All of
ubuntu/linux-image-generic-hwe-16.04<4.15.0.184.173
4.15.0.184.173
=16.04
All of
ubuntu/linux-image-oracle<4.15.0.1098.85
4.15.0.1098.85
=16.04
All of
ubuntu/linux-image-4.15.0-1098-oracle<4.15.0-1098.108~16.04.1
4.15.0-1098.108~16.04.1
=16.04
All of
ubuntu/linux-image-virtual-hwe-16.04<4.15.0.184.173
4.15.0.184.173
=16.04
All of
ubuntu/linux-image-4.15.0-184-generic<4.15.0-184.194~16.04.1
4.15.0-184.194~16.04.1
=16.04
All of
ubuntu/linux-image-4.15.0-184-lowlatency<4.15.0-184.194~16.04.1
4.15.0-184.194~16.04.1
=16.04
All of
ubuntu/linux-image-azure<4.15.0.1142.113
4.15.0.1142.113
=14.04
All of
ubuntu/linux-image-4.15.0-1142-azure<4.15.0-1142.156~14.04.1
4.15.0-1142.156~14.04.1
=14.04

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