CWE
416 362
Advisory Published

USN-5793-3: Linux kernel vulnerabilities

First published: Tue Jan 10 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-gcp<5.19.0.1014.11
5.19.0.1014.11
=22.10
All of
ubuntu/linux-image-oracle<5.19.0.1014.11
5.19.0.1014.11
=22.10
All of
ubuntu/linux-image-5.19.0-1014-gcp<5.19.0-1014.15
5.19.0-1014.15
=22.10
All of
ubuntu/linux-image-5.19.0-1014-oracle<5.19.0-1014.16
5.19.0-1014.16
=22.10

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Reference Links

Frequently Asked Questions

  • What is the vulnerability ID of this advisory?

    The vulnerability ID of this advisory is USN-5793-3.

  • What is the severity of the Linux kernel vulnerabilities?

    The severity of the Linux kernel vulnerabilities may vary depending on the specific vulnerability.

  • How can a local attacker exploit the use-after-free vulnerability?

    A local attacker can exploit the use-after-free vulnerability to cause a denial of service (system crash) or possibly execute arbitrary code.

  • Which versions of Linux kernel are affected by the vulnerabilities?

    The vulnerabilities affect the Linux kernel versions 5.19.0.1014.11, 5.19.0-1014.15, and 5.19.0-1014.16.

  • How can I fix the Linux kernel vulnerabilities?

    To fix the Linux kernel vulnerabilities, update the affected Linux kernel packages to the specified versions: linux-image-gcp 5.19.0.1014.11, linux-image-oracle 5.19.0.1014.11, linux-image-5.19.0-1014-gcp 5.19.0-1014.15, and linux-image-5.19.0-1014-oracle 5.19.0-1014.16.

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