USN-4364-1: Linux kernel vulnerabilities

Releases

• Ubuntu 16.04 ESM
• Ubuntu 14.04 ESM

Packages

• linux - Linux kernel
• linux-aws - Linux kernel for Amazon Web Services (AWS) systems
• linux-kvm - Linux kernel for cloud environments
• linux-lts-xenial - Linux hardware enablement kernel from Xenial for Trusty
• linux-raspi2 - Linux kernel for Raspberry Pi (V7) systems
• linux-snapdragon - Linux kernel for Qualcomm Snapdragon processors

Details

It was discovered that the ADIS16400 IIO IMU Driver for the Linux kernel
did not properly deallocate memory in certain error conditions. A local
attacker could use this to cause a denial of service (memory exhaustion).
(CVE-2019-19060)

It was discovered that the vhost net driver in the Linux kernel contained a
stack buffer overflow. A local attacker with the ability to perform ioctl()
calls on /dev/vhost-net could use this to cause a denial of service (system
crash). (CVE-2020-10942)

It was discovered that the Serial CAN interface driver in the Linux kernel
did not properly initialize data. A local attacker could use this to expose
sensitive information (kernel memory). (CVE-2020-11494)

It was discovered that the linux kernel did not properly validate certain
mount options to the tmpfs virtual memory file system. A local attacker
with the ability to specify mount options could use this to cause a denial
of service (system crash). (CVE-2020-11565)

It was discovered that the OV51x USB Camera device driver in the Linux
kernel did not properly validate device metadata. A physically proximate
attacker could use this to cause a denial of service (system crash).
(CVE-2020-11608)

It was discovered that the STV06XX USB Camera device driver in the Linux
kernel did not properly validate device metadata. A physically proximate
attacker could use this to cause a denial of service (system crash).
(CVE-2020-11609)

It was discovered that the Xirlink C-It USB Camera device driver in the
Linux kernel did not properly validate device metadata. A physically
proximate attacker could use this to cause a denial of service (system
crash). (CVE-2020-11668)

Update instructions

The problem can be corrected by updating your system to the following package versions:

Ubuntu 16.04

• linux-image-4.4.0-1071-kvm - 4.4.0-1071.78
• linux-image-4.4.0-1107-aws - 4.4.0-1107.118
• linux-image-4.4.0-1133-raspi2 - 4.4.0-1133.142
• linux-image-4.4.0-1137-snapdragon - 4.4.0-1137.145
• linux-image-4.4.0-179-generic - 4.4.0-179.209
• linux-image-4.4.0-179-generic-lpae - 4.4.0-179.209
• linux-image-4.4.0-179-lowlatency - 4.4.0-179.209
• linux-image-4.4.0-179-powerpc-e500mc - 4.4.0-179.209
• linux-image-4.4.0-179-powerpc-smp - 4.4.0-179.209
• linux-image-4.4.0-179-powerpc64-emb - 4.4.0-179.209
• linux-image-4.4.0-179-powerpc64-smp - 4.4.0-179.209
• linux-image-aws - 4.4.0.1107.111
• linux-image-generic - 4.4.0.179.187
• linux-image-generic-lpae - 4.4.0.179.187
• linux-image-kvm - 4.4.0.1071.71
• linux-image-lowlatency - 4.4.0.179.187
• linux-image-powerpc-e500mc - 4.4.0.179.187
• linux-image-powerpc-smp - 4.4.0.179.187
• linux-image-powerpc64-emb - 4.4.0.179.187
• linux-image-powerpc64-smp - 4.4.0.179.187
• linux-image-raspi2 - 4.4.0.1133.133
• linux-image-snapdragon - 4.4.0.1137.129
• linux-image-virtual - 4.4.0.179.187

Ubuntu 14.04

• linux-image-4.4.0-1067-aws - 4.4.0-1067.71
• linux-image-4.4.0-179-generic - 4.4.0-179.209~14.04.1+signed1
• linux-image-4.4.0-179-generic-lpae - 4.4.0-179.209~14.04.1
• linux-image-4.4.0-179-lowlatency - 4.4.0-179.209~14.04.1+signed1
• linux-image-4.4.0-179-powerpc-e500mc - 4.4.0-179.209~14.04.1
• linux-image-4.4.0-179-powerpc-smp - 4.4.0-179.209~14.04.1
• linux-image-4.4.0-179-powerpc64-emb - 4.4.0-179.209~14.04.1
• linux-image-4.4.0-179-powerpc64-smp - 4.4.0-179.209~14.04.1
• linux-image-aws - 4.4.0.1067.68
• linux-image-generic-lpae-lts-xenial - 4.4.0.179.158
• linux-image-generic-lts-xenial - 4.4.0.179.158
• linux-image-lowlatency-lts-xenial - 4.4.0.179.158
• linux-image-powerpc-e500mc-lts-xenial - 4.4.0.179.158
• linux-image-powerpc-smp-lts-xenial - 4.4.0.179.158
• linux-image-powerpc64-emb-lts-xenial - 4.4.0.179.158
• linux-image-powerpc64-smp-lts-xenial - 4.4.0.179.158
• linux-image-virtual-lts-xenial - 4.4.0.179.158

After a standard system update you need to reboot your computer to make
all the necessary changes.

ATTENTION: Due to an unavoidable ABI change the kernel updates have
been given a new version number, which requires you to recompile and
reinstall all third party kernel modules you might have installed.
Unless you manually uninstalled the standard kernel metapackages
(e.g. linux-generic, linux-generic-lts-RELEASE, linux-virtual,
linux-powerpc), a standard system upgrade will automatically perform
this as well.

References

• CVE-2019-19060
• CVE-2020-10942
• CVE-2020-11494
• CVE-2020-11565
• CVE-2020-11608
• CVE-2020-11609
• CVE-2020-11668

Related notices

• USN-4226-1: linux-image-5.0.0-1023-aws, linux-image-5.0.0-1033-oem-osp1, linux-image-5.0.0-1027-gke, linux-kvm, linux-image-virtual, linux-image-generic-lpae, linux-gke-5.0, linux-image-oracle-edge, linux-image-raspi2, linux-image-azure, linux-image-5.0.0-1028-azure, linux-image-gke-5.0, linux-image-gcp, linux-oracle-5.0, linux-image-oracle, linux-image-oem-osp1, linux-aws, linux-azure, linux-image-kvm, linux-aws-5.0, linux-gcp, linux-image-generic, linux-image-aws, linux-image-aws-edge, linux-oem-osp1, linux-image-5.0.0-38-generic, linux-image-lowlatency, linux-image-5.0.0-38-lowlatency, linux-image-5.0.0-1009-oracle, linux-raspi2, linux-image-5.0.0-1024-kvm, linux-image-5.0.0-1028-gcp, linux-oracle, linux-image-5.0.0-38-generic-lpae, linux, linux-image-gke, linux-image-5.0.0-1024-raspi2
• USN-4208-1: linux-kvm, linux-image-5.3.0-24-lowlatency, linux-image-virtual, linux-image-generic-lpae, linux-image-5.3.0-24-generic-lpae, linux-gcp-5.3, linux-image-gcp, linux-image-5.3.0-1008-aws, linux-image-oracle, linux-image-5.3.0-1007-oracle, linux-aws, linux-image-gcp-edge, linux-image-kvm, linux-image-5.3.0-1009-gcp, linux-gcp, linux-image-5.3.0-24-generic, linux-image-5.3.0-1008-kvm, linux-image-5.3.0-24-snapdragon, linux-image-aws, linux-image-generic, linux-image-lowlatency, linux-oracle, linux, linux-image-snapdragon, linux-image-gke
• USN-4210-1: linux-image-4.15.0-1051-kvm, linux-kvm, linux-image-virtual, linux-image-generic-lpae, linux-image-4.15.0-1056-aws, linux-image-raspi2, linux-image-virtual-hwe-16.04-edge, linux-gke-4.15, linux-image-4.15.0-72-generic, linux-image-4.15.0-1050-gcp, linux-image-gcp, linux-image-4.15.0-1069-snapdragon, linux-image-generic-hwe-16.04, linux-image-aws-lts-18.04, linux-image-oracle, linux-aws, linux-image-4.15.0-1030-oracle, linux-image-4.15.0-1052-raspi2, linux-image-kvm, linux-aws-hwe, linux-image-4.15.0-1065-oem, linux-image-4.15.0-1049-gke, linux-gcp, linux-image-generic, linux-image-generic-lpae-hwe-16.04, linux-image-aws, linux-snapdragon, linux-image-oracle-lts-18.04, linux-image-lowlatency, linux-image-virtual-hwe-16.04, linux-raspi2, linux-oracle, linux-hwe, linux-image-4.15.0-72-generic-lpae, linux-image-lowlatency-hwe-16.04, linux-image-aws-hwe, linux, linux-image-snapdragon, linux-image-generic-hwe-16.04-edge, linux-image-lowlatency-hwe-16.04-edge, linux-image-gke, linux-image-gke-4.15, linux-image-oem, linux-oem, linux-image-4.15.0-72-lowlatency, linux-image-generic-lpae-hwe-16.04-edge
• USN-4345-1: linux-kvm, linux-image-4.15.0-99-lowlatency, linux-image-virtual, linux-image-generic-lpae, linux-image-4.15.0-1058-gke, linux-image-raspi2, linux-image-virtual-hwe-16.04-edge, linux-gke-4.15, linux-image-4.15.0-1061-raspi2, linux-image-azure, linux-image-gcp, linux-image-generic-hwe-16.04, linux-image-aws-lts-18.04, linux-image-oracle, linux-aws, linux-image-4.15.0-1038-oracle, linux-azure, linux-aws-hwe, linux-image-kvm, linux-image-4.15.0-99-generic-lpae, linux-gcp, linux-image-generic, linux-image-generic-lpae-hwe-16.04, linux-snapdragon, linux-image-4.15.0-1077-snapdragon, linux-image-oracle-lts-18.04, linux-image-lowlatency, linux-image-virtual-hwe-16.04, linux-raspi2, linux-oracle, linux-hwe, linux-image-4.15.0-1082-azure, linux-image-lowlatency-hwe-16.04, linux-image-4.15.0-1059-kvm, linux, linux-image-aws-hwe, linux-image-snapdragon, linux-image-4.15.0-1066-aws, linux-image-generic-hwe-16.04-edge, linux-image-lowlatency-hwe-16.04-edge, linux-image-4.15.0-99-generic, linux-image-4.15.0-1061-gcp, linux-image-gke, linux-image-gke-4.15, linux-image-4.15.0-1080-oem, linux-image-oem, linux-oem, linux-image-azure-edge, linux-image-generic-lpae-hwe-16.04-edge
• USN-4344-1: linux-image-5.0.0-1050-oem-osp1, linux-image-5.0.0-1035-gke, linux-gke-5.0, linux-image-oem-osp1, linux-oem-osp1, linux-image-gke-5.0
• USN-4342-1: linux-kvm, linux-image-5.3.0-1016-kvm, linux-image-5.3.0-1020-azure, linux-image-generic-lpae, linux-image-virtual, linux-image-oracle-edge, linux-image-raspi2-hwe-18.04, linux-image-generic-hwe-18.04-edge, linux-image-gke-5.3, linux-gcp-5.3, linux-image-5.3.0-51-snapdragon, linux-image-raspi2, linux-gke-5.3, linux-image-5.3.0-51-lowlatency, linux-image-azure, linux-image-snapdragon-hwe-18.04, linux-image-gcp, linux-image-oracle, linux-aws, linux-image-virtual-hwe-18.04, linux-image-gcp-edge, linux-azure, linux-image-kvm, linux-image-lowlatency-hwe-18.04-edge, linux-image-lowlatency-hwe-18.04, linux-gcp, linux-image-5.3.0-51-generic-lpae, linux-image-generic, linux-image-aws, linux-oracle-5.3, linux-image-5.3.0-1016-oracle, linux-image-5.3.0-1017-aws, linux-image-lowlatency, linux-image-5.3.0-1023-raspi2, linux-image-5.3.0-1018-gke, linux-image-generic-lpae-hwe-18.04, linux-raspi2, linux-image-5.3.0-51-generic, linux-oracle, linux-hwe, linux-image-snapdragon-hwe-18.04-edge, linux, linux-image-5.3.0-1018-gcp, linux-image-generic-hwe-18.04, linux-image-snapdragon, linux-raspi2-5.3, linux-image-gke, linux-azure-5.3, linux-image-virtual-hwe-18.04-edge, linux-image-generic-lpae-hwe-18.04-edge, linux-image-azure-edge
• USN-4369-1: linux-image-5.3.0-1020-gcp, linux-kvm, linux-aws-5.3, linux-image-virtual, linux-image-generic-lpae, linux-image-oracle-edge, linux-image-generic-hwe-18.04-edge, linux-image-gke-5.3, linux-gcp-5.3, linux-image-raspi2, linux-gke-5.3, linux-image-gkeop-5.3, linux-image-snapdragon-hwe-18.04, linux-image-azure, linux-image-5.3.0-1022-azure, linux-image-gcp, linux-image-5.3.0-1017-kvm, linux-image-oracle, linux-aws, linux-image-virtual-hwe-18.04, linux-image-azure-edge, linux-image-gcp-edge, linux-azure, linux-image-kvm, linux-image-lowlatency-hwe-18.04-edge, linux-image-lowlatency-hwe-18.04, linux-gcp, linux-image-generic, linux-image-5.3.0-53-lowlatency, linux-image-aws, linux-image-aws-edge, linux-oracle-5.3, linux-image-5.3.0-1025-raspi2, linux-image-5.3.0-53-generic, linux-image-lowlatency, linux-image-generic-lpae-hwe-18.04, linux-raspi2, linux-image-5.3.0-1018-oracle, linux-oracle, linux-hwe, linux-image-snapdragon-hwe-18.04-edge, linux-image-5.3.0-53-snapdragon, linux, linux-image-5.3.0-1019-aws, linux-image-generic-hwe-18.04, linux-image-snapdragon, linux-image-gke, linux-azure-5.3, linux-image-5.3.0-53-generic-lpae, linux-image-virtual-hwe-18.04-edge, linux-image-generic-lpae-hwe-18.04-edge, linux-image-5.3.0-1020-gke
• USN-4363-1: linux-image-4.15.0-101-lowlatency, linux-kvm, linux-image-virtual, linux-image-4.15.0-1060-kvm, linux-image-4.15.0-1071-gcp, linux-image-generic-lpae, linux-image-azure-lts-18.04, linux-image-4.15.0-1083-azure, linux-image-4.15.0-1039-oracle, linux-image-raspi2, linux-image-virtual-hwe-16.04-edge, linux-gke-4.15, linux-image-azure, linux-image-4.15.0-1079-snapdragon, linux-image-gcp, linux-image-4.15.0-1067-aws, linux-azure-4.15, linux-image-generic-hwe-16.04, linux-image-aws-lts-18.04, linux-image-oracle, linux-image-4.15.0-1059-gke, linux-image-4.15.0-101-generic-lpae, linux-aws, linux-image-azure-edge, linux-azure, linux-image-kvm, linux-aws-hwe, linux-gcp, linux-image-4.15.0-1062-raspi2, linux-image-generic, linux-image-generic-lpae-hwe-16.04, linux-snapdragon, linux-image-oracle-lts-18.04, linux-image-lowlatency, linux-image-virtual-hwe-16.04, linux-raspi2, linux-oracle, linux-hwe, linux-image-lowlatency-hwe-16.04, linux-image-4.15.0-101-generic, linux, linux-image-aws-hwe, linux-image-snapdragon, linux-image-generic-hwe-16.04-edge, linux-image-lowlatency-hwe-16.04-edge, linux-image-gke, linux-image-gke-4.15, linux-image-oem, linux-oem, linux-image-4.15.0-1081-oem, linux-image-generic-lpae-hwe-16.04-edge
• USN-4368-1: linux-image-5.0.0-1052-oem-osp1, linux-gke-5.0, linux-image-oem-osp1, linux-oem-osp1, linux-image-5.0.0-1037-gke, linux-image-gke-5.0
• LSN-0067-1: oem, generic-4.4, generic-4.15, lowlatency-4.4, gcp, aws, azure, lowlatency-4.15
• LSN-0068-1: oem, generic-4.4, generic-4.15, lowlatency-4.4, aws, lowlatency-4.15
• LSN-0072-1: oem, generic-4.4, lowlatency-5.4, generic-4.15, generic-5.4, gcp, lowlatency-4.4, aws, azure, lowlatency-4.15
• USN-4367-1: linux-kvm, linux-image-virtual, linux-image-generic-lpae, linux-image-generic-lpae-hwe-20.04, linux-image-5.4.0-1012-azure, linux-image-generic-hwe-18.04-edge, linux-image-raspi2, linux-image-raspi, linux-image-azure, linux-image-gcp, linux-riscv, linux-image-5.4.0-1011-kvm, linux-image-oracle, linux-image-5.4.0-1011-oracle, linux-image-oem-osp1, linux-aws, linux-image-virtual-hwe-18.04, linux-image-5.4.0-1011-raspi, linux-image-5.4.0-1011-gcp, linux-image-5.4.0-31-generic, linux-azure, linux-image-kvm, linux-image-lowlatency-hwe-18.04-edge, linux-image-lowlatency-hwe-18.04, linux-image-generic-hwe-20.04, linux-gcp, linux-image-generic, linux-image-lowlatency-hwe-20.04, linux-image-5.4.0-26-generic, linux-image-aws, linux-image-virtual-hwe-20.04, linux-image-lowlatency, linux-image-5.4.0-31-lowlatency, linux-image-generic-lpae-hwe-18.04, linux-oracle, linux-image-5.4.0-31-generic-lpae, linux, linux-raspi, linux-image-generic-hwe-18.04, linux-image-gke, linux-image-oem, linux-image-virtual-hwe-18.04-edge, linux-image-generic-lpae-hwe-18.04-edge, linux-image-5.4.0-1011-aws