Advisory Published

USN-6194-1: Linux kernel (OEM) vulnerabilities

First published: Thu Jun 29 2023(Updated: )

Hangyu Hua discovered that the Flower classifier implementation in the Linux kernel contained an out-of-bounds write vulnerability. An attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2023-35788, LP: #2023577) Xingyuan Mo and Gengjia Chen discovered that the io_uring subsystem in the Linux kernel did not properly handle locking when IOPOLL mode is being used. A local attacker could use this to cause a denial of service (system crash). (CVE-2023-2430) Wei Chen discovered that the InfiniBand RDMA communication manager implementation in the Linux kernel contained an out-of-bounds read vulnerability. A local attacker could use this to cause a denial of service (system crash). (CVE-2023-2176) It was discovered that for some Intel processors the INVLPG instruction implementation did not properly flush global TLB entries when PCIDs are enabled. An attacker could use this to expose sensitive information (kernel memory) or possibly cause undesired behaviors. (LP: #2023220)

Affected SoftwareAffected VersionHow to fix
All of
ubuntu/linux-image-oem-22.04c<6.1.0.1015.15
6.1.0.1015.15
Ubuntu Ubuntu=22.04
All of
ubuntu/linux-image-6.1.0-1015-oem<6.1.0-1015.15
6.1.0-1015.15
Ubuntu Ubuntu=22.04

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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-2023-35788.

  • What is the impact of CVE-2023-35788?

    CVE-2023-35788 can be used by an attacker to cause a denial of service (system crash) or possibly execute arbitrary code.

  • What is the remedy version for the affected Linux kernel packages?

    The remedy version for the affected Linux kernel packages is 6.1.0.1015.15.

  • Which Ubuntu versions are affected by this vulnerability?

    This vulnerability affects Ubuntu version 22.04.

  • Where can I find more information about this vulnerability?

    You can find more information about this vulnerability on the Ubuntu security website: [CVE-2023-35788](https://ubuntu.com/security/CVE-2023-35788).

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