CWE
416 362
Advisory Published

USN-5793-1: Linux kernel vulnerabilities

First published: Fri Jan 06 2023(Updated: )

It was discovered that the io_uring subsystem in the Linux kernel did not properly perform reference counting 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 possibly execute arbitrary code. (CVE-2022-3910) It was discovered that a race condition existed in the Android Binder IPC subsystem in the Linux kernel, leading to a use-after-free vulnerability. A local attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2022-20421) David Leadbeater discovered that the netfilter IRC protocol tracking implementation in the Linux Kernel incorrectly handled certain message payloads in some situations. A remote attacker could possibly use this to cause a denial of service or bypass firewall filtering. (CVE-2022-2663) It was discovered that the sound subsystem in the Linux kernel contained a race condition in some situations. A local attacker could use this to cause a denial of service (system crash). (CVE-2022-3303) It was discovered that the Sunplus Ethernet driver in the Linux kernel contained a read-after-free vulnerability. An attacker could possibly use this to expose sensitive information (kernel memory) (CVE-2022-3541) It was discovered that a memory leak existed in the Unix domain socket implementation of the Linux kernel. A local attacker could use this to cause a denial of service (memory exhaustion). (CVE-2022-3543) It was discovered that the NILFS2 file system implementation in the Linux kernel did not properly deallocate memory in certain error conditions. An attacker could use this to cause a denial of service (memory exhaustion). (CVE-2022-3544, CVE-2022-3646) Gwnaun Jung discovered that the SFB packet scheduling implementation in the Linux kernel contained a use-after-free vulnerability. A local attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2022-3586) It was discovered that the hugetlb implementation in the Linux kernel contained a race condition in some situations. A local attacker could use this to cause a denial of service (system crash) or expose sensitive information (kernel memory). (CVE-2022-3623) Khalid Masum discovered that the NILFS2 file system implementation in the Linux kernel did not properly handle certain error conditions, leading to a use-after-free vulnerability. A local attacker could use this to cause a denial of service or possibly execute arbitrary code. (CVE-2022-3649) It was discovered that a race condition existed in the MCTP implementation in the Linux kernel, leading to a use-after-free vulnerability. A local attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2022-3977) It was discovered that a race condition existed in the EFI capsule loader driver in the Linux kernel, leading to a use-after-free vulnerability. A local attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2022-40307) Zheng Wang and Zhuorao Yang discovered that the RealTek RTL8712U wireless driver in the Linux kernel contained a use-after-free vulnerability. A local attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2022-4095) It was discovered that a race condition existed in the SMSC UFX USB driver implementation in the Linux kernel, leading to a use-after-free vulnerability. A physically proximate attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2022-41849) It was discovered that a race condition existed in the Roccat HID driver in the Linux kernel, leading to a use-after-free vulnerability. A local attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2022-41850) It was discovered that the USB monitoring (usbmon) component in the Linux kernel did not properly set permissions on memory mapped in to user space processes. A local attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2022-43750)

Affected SoftwareAffected VersionHow to fix
All of
ubuntu/linux-image-virtual<5.19.0.28.25
5.19.0.28.25
=22.10
All of
ubuntu/linux-image-generic-64k<5.19.0.28.25
5.19.0.28.25
=22.10
All of
ubuntu/linux-image-generic<5.19.0.28.25
5.19.0.28.25
=22.10
All of
ubuntu/linux-image-aws<5.19.0.1016.13
5.19.0.1016.13
=22.10
All of
ubuntu/linux-image-generic-64k-hwe-22.04<5.19.0.28.25
5.19.0.28.25
=22.10
All of
ubuntu/linux-image-lowlatency-64k<5.19.0.1014.11
5.19.0.1014.11
=22.10
All of
ubuntu/linux-image-5.19.0-1015-kvm<5.19.0-1015.16
5.19.0-1015.16
=22.10
All of
ubuntu/linux-image-generic-hwe-22.04<5.19.0.28.25
5.19.0.28.25
=22.10
All of
ubuntu/linux-image-5.19.0-1011-raspi-nolpae<5.19.0-1011.18
5.19.0-1011.18
=22.10
All of
ubuntu/linux-image-5.19.0-1014-lowlatency-64k<5.19.0-1014.15
5.19.0-1014.15
=22.10
All of
ubuntu/linux-image-lowlatency-64k-hwe-22.04<5.19.0.1014.11
5.19.0.1014.11
=22.10
All of
ubuntu/linux-image-5.19.0-1014-lowlatency<5.19.0-1014.15
5.19.0-1014.15
=22.10
All of
ubuntu/linux-image-raspi-nolpae<5.19.0.1011.10
5.19.0.1011.10
=22.10
All of
ubuntu/linux-image-5.19.0-28-generic<5.19.0-28.29
5.19.0-28.29
=22.10
All of
ubuntu/linux-image-5.19.0-1016-aws<5.19.0-1016.17
5.19.0-1016.17
=22.10
All of
ubuntu/linux-image-oem-22.04<5.19.0.28.25
5.19.0.28.25
=22.10
All of
ubuntu/linux-image-virtual-hwe-22.04<5.19.0.28.25
5.19.0.28.25
=22.10
All of
ubuntu/linux-image-5.19.0-1011-raspi<5.19.0-1011.18
5.19.0-1011.18
=22.10
All of
ubuntu/linux-image-lowlatency-hwe-22.04<5.19.0.1014.11
5.19.0.1014.11
=22.10
All of
ubuntu/linux-image-raspi<5.19.0.1011.10
5.19.0.1011.10
=22.10
All of
ubuntu/linux-image-generic-lpae-hwe-22.04<5.19.0.28.25
5.19.0.28.25
=22.10
All of
ubuntu/linux-image-5.19.0-28-generic-64k<5.19.0-28.29
5.19.0-28.29
=22.10
All of
ubuntu/linux-image-kvm<5.19.0.1015.12
5.19.0.1015.12
=22.10
All of
ubuntu/linux-image-generic-lpae<5.19.0.28.25
5.19.0.28.25
=22.10
All of
ubuntu/linux-image-5.19.0-28-generic-lpae<5.19.0-28.29
5.19.0-28.29
=22.10
All of
ubuntu/linux-image-lowlatency<5.19.0.1014.11
5.19.0.1014.11
=22.10

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Reference Links

Child vulnerabilities

(Contains the following vulnerabilities)

Frequently Asked Questions

  • What is the vulnerability identified in USN-5793-1?

    The vulnerability identified in USN-5793-1 is a use-after-free vulnerability in the Linux kernel's io_uring subsystem.

  • How does the use-after-free vulnerability in the io_uring subsystem affect the Linux kernel?

    The use-after-free vulnerability in the io_uring subsystem could allow a local attacker to cause a denial of service (system crash) or possibly execute arbitrary code.

  • Which versions of Ubuntu are affected by the vulnerability?

    The vulnerability affects Ubuntu version 22.10.

  • What is the remedy for the vulnerability in USN-5793-1?

    To fix the vulnerability, update the Linux kernel to version 5.19.0.28.25 or higher.

  • Where can I find more information about USN-5793-1 vulnerability?

    You can find more information about the USN-5793-1 vulnerability on the Ubuntu Security website.

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