Advisory Published

USN-5385-1: Linux kernel vulnerabilities

First published: Thu Apr 21 2022(Updated: )

Brendan Dolan-Gavitt discovered that the aQuantia AQtion Ethernet device driver in the Linux kernel did not properly validate meta-data coming from the device. A local attacker who can control an emulated device can use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2021-43975) It was discovered that the UDF file system implementation in the Linux kernel could attempt to dereference a null pointer in some situations. An attacker could use this to construct a malicious UDF image that, when mounted and operated on, could cause a denial of service (system crash). (CVE-2022-0617) Lyu Tao discovered that the NFS implementation in the Linux kernel did not properly handle requests to open a directory on a regular file. A local attacker could use this to expose sensitive information (kernel memory). (CVE-2022-24448) It was discovered that the YAM AX.25 device driver in the Linux kernel did not properly deallocate memory in some error conditions. A local privileged attacker could use this to cause a denial of service (kernel memory exhaustion). (CVE-2022-24959)

Affected SoftwareAffected VersionHow to fix
All of
ubuntu/linux-image-virtual<4.15.0.176.165
4.15.0.176.165
=18.04
All of
ubuntu/linux-image-azure-lts-18.04<4.15.0.1137.110
4.15.0.1137.110
=18.04
All of
ubuntu/linux-image-aws-lts-18.04<4.15.0.1127.130
4.15.0.1127.130
=18.04
All of
ubuntu/linux-image-generic<4.15.0.176.165
4.15.0.176.165
=18.04
All of
ubuntu/linux-image-4.15.0-1127-aws<4.15.0-1127.136
4.15.0-1127.136
=18.04
All of
ubuntu/linux-image-4.15.0-176-generic<4.15.0-176.185
4.15.0-176.185
=18.04
All of
ubuntu/linux-image-oracle-lts-18.04<4.15.0.1092.102
4.15.0.1092.102
=18.04
All of
ubuntu/linux-image-4.15.0-1092-oracle<4.15.0-1092.101
4.15.0-1092.101
=18.04
All of
ubuntu/linux-image-4.15.0-1137-azure<4.15.0-1137.150
4.15.0-1137.150
=18.04
All of
ubuntu/linux-image-snapdragon<4.15.0.1126.129
4.15.0.1126.129
=18.04
All of
ubuntu/linux-image-dell300x<4.15.0.1041.43
4.15.0.1041.43
=18.04
All of
ubuntu/linux-image-4.15.0-1126-snapdragon<4.15.0-1126.135
4.15.0-1126.135
=18.04
All of
ubuntu/linux-image-4.15.0-1041-dell300x<4.15.0-1041.46
4.15.0-1041.46
=18.04
All of
ubuntu/linux-image-4.15.0-1121-gcp<4.15.0-1121.135
4.15.0-1121.135
=18.04
All of
ubuntu/linux-image-4.15.0-176-lowlatency<4.15.0-176.185
4.15.0-176.185
=18.04
All of
ubuntu/linux-image-gcp-lts-18.04<4.15.0.1121.140
4.15.0.1121.140
=18.04
All of
ubuntu/linux-image-4.15.0-1113-kvm<4.15.0-1113.116
4.15.0-1113.116
=18.04
All of
ubuntu/linux-image-kvm<4.15.0.1113.109
4.15.0.1113.109
=18.04
All of
ubuntu/linux-image-4.15.0-176-generic-lpae<4.15.0-176.185
4.15.0-176.185
=18.04
All of
ubuntu/linux-image-generic-lpae<4.15.0.176.165
4.15.0.176.165
=18.04
All of
ubuntu/linux-image-lowlatency<4.15.0.176.165
4.15.0.176.165
=18.04
All of
ubuntu/linux-image-lowlatency-hwe-16.04<4.15.0.176.168
4.15.0.176.168
=16.04
All of
ubuntu/linux-image-oem<4.15.0.176.168
4.15.0.176.168
=16.04
All of
ubuntu/linux-image-4.15.0-176-generic<4.15.0-176.185~16.04.1
4.15.0-176.185~16.04.1
=16.04
All of
ubuntu/linux-image-4.15.0-1092-oracle<4.15.0-1092.101~16.04.1
4.15.0-1092.101~16.04.1
=16.04
All of
ubuntu/linux-image-4.15.0-1137-azure<4.15.0-1137.150~16.04.1
4.15.0-1137.150~16.04.1
=16.04
All of
ubuntu/linux-image-4.15.0-1127-aws-hwe<4.15.0-1127.136~16.04.1
4.15.0-1127.136~16.04.1
=16.04
All of
ubuntu/linux-image-azure<4.15.0.1137.127
4.15.0.1137.127
=16.04
All of
ubuntu/linux-image-gke<4.15.0.1121.122
4.15.0.1121.122
=16.04
All of
ubuntu/linux-image-gcp<4.15.0.1121.122
4.15.0.1121.122
=16.04
All of
ubuntu/linux-image-4.15.0-1121-gcp<4.15.0-1121.135~16.04.1
4.15.0-1121.135~16.04.1
=16.04
All of
ubuntu/linux-image-4.15.0-176-lowlatency<4.15.0-176.185~16.04.1
4.15.0-176.185~16.04.1
=16.04
All of
ubuntu/linux-image-aws-hwe<4.15.0.1127.117
4.15.0.1127.117
=16.04
All of
ubuntu/linux-image-generic-hwe-16.04<4.15.0.176.168
4.15.0.176.168
=16.04
All of
ubuntu/linux-image-oracle<4.15.0.1092.80
4.15.0.1092.80
=16.04
All of
ubuntu/linux-image-virtual-hwe-16.04<4.15.0.176.168
4.15.0.176.168
=16.04
All of
ubuntu/linux-image-4.15.0-1137-azure<4.15.0-1137.150~14.04.1
4.15.0-1137.150~14.04.1
=14.04
All of
ubuntu/linux-image-azure<4.15.0.1137.109
4.15.0.1137.109
=14.04

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