CWE
119 476 362
Advisory Published

USN-6516-1: Linux kernel (Intel IoTG) vulnerabilities

First published: Mon Nov 27 2023(Updated: )

Ivan D Barrera, Christopher Bednarz, Mustafa Ismail, and Shiraz Saleem discovered that the InfiniBand RDMA driver in the Linux kernel did not properly check for zero-length STAG or MR registration. A remote attacker could possibly use this to execute arbitrary code. (CVE-2023-25775) Yu Hao and Weiteng Chen discovered that the Bluetooth HCI UART driver in the Linux kernel contained a race condition, leading to a null pointer dereference vulnerability. A local attacker could use this to cause a denial of service (system crash). (CVE-2023-31083) Yu Hao discovered that the UBI driver in the Linux kernel did not properly check for MTD with zero erasesize during device attachment. A local privileged attacker could use this to cause a denial of service (system crash). (CVE-2023-31085) Lin Ma discovered that the Netlink Transformation (XFRM) subsystem in the Linux kernel contained a null pointer dereference vulnerability in some situations. A local privileged attacker could use this to cause a denial of service (system crash). (CVE-2023-3772) Manfred Rudigier discovered that the Intel(R) PCI-Express Gigabit (igb) Ethernet driver in the Linux kernel did not properly validate received frames that are larger than the set MTU size, leading to a buffer overflow vulnerability. An attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2023-45871)

Affected SoftwareAffected VersionHow to fix
All of
ubuntu/linux-image-5.15.0-1045-intel-iotg<5.15.0-1045.51
5.15.0-1045.51
=22.04
All of
ubuntu/linux-image-intel-iotg<5.15.0.1045.45
5.15.0.1045.45
=22.04
All of
ubuntu/linux-image-5.15.0-1045-intel-iotg<5.15.0-1045.51~20.04.1
5.15.0-1045.51~20.04.1
=20.04
All of
ubuntu/linux-image-intel<5.15.0.1045.51~20.04.35
5.15.0.1045.51~20.04.35
=20.04
All of
ubuntu/linux-image-intel-iotg<5.15.0.1045.51~20.04.35
5.15.0.1045.51~20.04.35
=20.04

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Reference Links

Child vulnerabilities

(Contains the following vulnerabilities)

Frequently Asked Questions

  • What is the vulnerability ID?

    The vulnerability ID for this issue is CVE-2023-25775.

  • What is the affected software?

    The affected software is Ubuntu Linux kernel versions 5.15.0-1045.51 and 5.15.0.1045.45 on Ubuntu 22.04, and versions 5.15.0-1045.51~20.04.1, 5.15.0.1045.51~20.04.35, and 5.15.0.1045.51~20.04.35 on Ubuntu 20.04.

  • How can an attacker exploit this vulnerability?

    A remote attacker could exploit this vulnerability to execute arbitrary code.

  • What is the severity of CVE-2023-25775?

    The severity of CVE-2023-25775 is not mentioned in the provided information.

  • How do I fix the vulnerability?

    To fix the vulnerability, update to Linux kernel version 5.15.0-1045.51 for Ubuntu 22.04, and versions 5.15.0-1045.51~20.04.1, 5.15.0.1045.51~20.04.35, or 5.15.0.1045.51~20.04.35 for Ubuntu 20.04.

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