CWE
190 416 362
Advisory Published

USN-5970-1: Linux kernel vulnerabilities

First published: Thu Mar 23 2023(Updated: )

It was discovered that the KVM VMX implementation in the Linux kernel did not properly handle indirect branch prediction isolation between L1 and L2 VMs. An attacker in a guest VM could use this to expose sensitive information from the host OS or other guest VMs. (CVE-2022-2196) It was discovered that a race condition existed in the Xen network backend driver in the Linux kernel when handling dropped packets in certain circumstances. An attacker could use this to cause a denial of service (kernel deadlock). (CVE-2022-42328, CVE-2022-42329) Gerald Lee discovered that the USB Gadget file system implementation in the Linux kernel contained a race condition, leading to a use-after-free vulnerability in some situations. A local attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2022-4382) José Oliveira and Rodrigo Branco discovered that the prctl syscall implementation in the Linux kernel did not properly protect against indirect branch prediction attacks in some situations. A local attacker could possibly use this to expose sensitive information. (CVE-2023-0045) It was discovered that a use-after-free vulnerability existed in the Advanced Linux Sound Architecture (ALSA) subsystem. A local attacker could use this to cause a denial of service (system crash). (CVE-2023-0266) It was discovered that the io_uring subsystem in the Linux kernel contained a use-after-free vulnerability. A local attacker could possibly use this to cause a denial of service (system crash) or execute arbitrary code. (CVE-2023-0469) It was discovered that the CIFS network file system implementation in the Linux kernel contained a user-after-free vulnerability. A local attacker could possibly use this to cause a denial of service (system crash) or execute arbitrary code. (CVE-2023-1195) It was discovered that the RNDIS USB driver in the Linux kernel contained an integer overflow vulnerability. A local attacker with physical access could plug in a malicious USB device to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2023-23559)

Affected SoftwareAffected VersionHow to fix
All of
ubuntu/linux-image-5.19.0-38-generic-lpae<5.19.0-38.39
5.19.0-38.39
=22.10
All of
ubuntu/linux-image-virtual<5.19.0.38.34
5.19.0.38.34
=22.10
All of
ubuntu/linux-image-5.19.0-1015-raspi<5.19.0-1015.22
5.19.0-1015.22
=22.10
All of
ubuntu/linux-image-generic-64k<5.19.0.38.34
5.19.0.38.34
=22.10
All of
ubuntu/linux-image-5.19.0-38-generic-64k<5.19.0-38.39
5.19.0-38.39
=22.10
All of
ubuntu/linux-image-aws<5.19.0.1022.19
5.19.0.1022.19
=22.10
All of
ubuntu/linux-image-gcp<5.19.0.1019.16
5.19.0.1019.16
=22.10
All of
ubuntu/linux-image-ibm<5.19.0.1019.16
5.19.0.1019.16
=22.10
All of
ubuntu/linux-image-5.19.0-1019-ibm<5.19.0-1019.21
5.19.0-1019.21
=22.10
All of
ubuntu/linux-image-5.19.0-1021-lowlatency<5.19.0-1021.22
5.19.0-1021.22
=22.10
All of
ubuntu/linux-image-5.19.0-1021-lowlatency-64k<5.19.0-1021.22
5.19.0-1021.22
=22.10
All of
ubuntu/linux-image-5.19.0-1022-aws<5.19.0-1022.23
5.19.0-1022.23
=22.10
All of
ubuntu/linux-image-azure<5.19.0.1022.18
5.19.0.1022.18
=22.10
All of
ubuntu/linux-image-raspi-nolpae<5.19.0.1015.14
5.19.0.1015.14
=22.10
All of
ubuntu/linux-image-5.19.0-1015-raspi-nolpae<5.19.0-1015.22
5.19.0-1015.22
=22.10
All of
ubuntu/linux-image-5.19.0-1019-gcp<5.19.0-1019.21
5.19.0-1019.21
=22.10
All of
ubuntu/linux-image-5.19.0-1020-kvm<5.19.0-1020.21
5.19.0-1020.21
=22.10
All of
ubuntu/linux-image-lowlatency-64k<5.19.0.1021.17
5.19.0.1021.17
=22.10
All of
ubuntu/linux-image-oracle<5.19.0.1019.16
5.19.0.1019.16
=22.10
All of
ubuntu/linux-image-generic<5.19.0.38.34
5.19.0.38.34
=22.10
All of
ubuntu/linux-image-raspi<5.19.0.1015.14
5.19.0.1015.14
=22.10
All of
ubuntu/linux-image-5.19.0-1022-azure<5.19.0-1022.23
5.19.0-1022.23
=22.10
All of
ubuntu/linux-image-kvm<5.19.0.1020.17
5.19.0.1020.17
=22.10
All of
ubuntu/linux-image-5.19.0-38-generic<5.19.0-38.39
5.19.0-38.39
=22.10
All of
ubuntu/linux-image-generic-lpae<5.19.0.38.34
5.19.0.38.34
=22.10
All of
ubuntu/linux-image-5.19.0-1019-oracle<5.19.0-1019.22
5.19.0-1019.22
=22.10
All of
ubuntu/linux-image-lowlatency<5.19.0.1021.17
5.19.0.1021.17
=22.10

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Reference Links

Child vulnerabilities

(Contains the following vulnerabilities)

Frequently Asked Questions

  • What is the vulnerability ID for this Linux kernel vulnerability?

    The vulnerability ID for this Linux kernel vulnerability is CVE-2022-2196.

  • What is the impact of CVE-2022-2196?

    CVE-2022-2196 can allow an attacker in a guest virtual machine to expose sensitive information from the host OS or other guest VMs.

  • Which versions of Linux kernel are affected by CVE-2022-2196?

    Linux kernel versions 5.19.0-38.39 and earlier are affected by CVE-2022-2196.

  • What is the recommended remedy for CVE-2022-2196?

    The recommended remedy for CVE-2022-2196 is to update to version 5.19.0-38.39 or later of the Linux kernel.

  • Where can I find more information about CVE-2022-2196?

    More information about CVE-2022-2196 can be found at the following link: [CVE-2022-2196](https://ubuntu.com/security/CVE-2022-2196)

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