CWE
416 362
Advisory Published

USN-6122-1: Linux kernel (OEM) vulnerabilities

First published: Tue May 30 2023(Updated: )

Patryk Sondej and Piotr Krysiuk discovered that a race condition existed in the netfilter subsystem of the Linux kernel when processing batch requests, 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-2023-32233) Jean-Baptiste Cayrou discovered that the shiftfs file system in the Ubuntu Linux kernel contained a race condition when handling inode locking in some situations. A local attacker could use this to cause a denial of service (kernel deadlock). (CVE-2023-2612)

Affected SoftwareAffected VersionHow to fix
All of
ubuntu/linux-image-6.1.0-1013-oem<6.1.0-1013.13
6.1.0-1013.13
Ubuntu Ubuntu=22.04
All of
ubuntu/linux-image-oem-22.04c<6.1.0.1013.13
6.1.0.1013.13
Ubuntu Ubuntu=22.04

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Child vulnerabilities

(Contains the following vulnerabilities)

Frequently Asked Questions

  • What is the severity of USN-6122-1?

    The severity of USN-6122-1 is not specified in the provided information.

  • How does the vulnerability in USN-6122-1 impact the Linux kernel?

    The vulnerability in USN-6122-1 can cause a denial of service (system crash) or potentially allow arbitrary code execution.

  • What software versions are affected by USN-6122-1?

    The Linux kernel versions 6.1.0-1013.13 and 6.1.0.1013.13 (oem-22.04c) are affected by USN-6122-1.

  • How can I fix the vulnerability in USN-6122-1?

    To fix the vulnerability in USN-6122-1, update your Linux kernel to version 6.1.0-1013.13 or 6.1.0.1013.13 (oem-22.04c).

  • Where can I find more information about USN-6122-1?

    You can find more information about USN-6122-1 on the Ubuntu Security Notices website at the following link: [USN-6122-1](https://ubuntu.com/security/notices/USN-6122-1).

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