CWE
119 416
Advisory Published

USN-6502-4: Linux kernel vulnerabilities

First published: Thu Nov 30 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 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) 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) Maxim Levitsky discovered that the KVM nested virtualization (SVM) implementation for AMD processors in the Linux kernel did not properly handle x2AVIC MSRs. An attacker in a guest VM could use this to cause a denial of service (host kernel crash). (CVE-2023-5090) It was discovered that the SMB network file sharing protocol 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 (system crash) or possibly execute arbitrary code. (CVE-2023-5345)

Affected SoftwareAffected VersionHow to fix
All of
ubuntu/linux-image-6.2.0-1017-azure<6.2.0-1017.17
6.2.0-1017.17
=23.04
All of
ubuntu/linux-image-6.2.0-1019-gcp<6.2.0-1019.21
6.2.0-1019.21
=23.04
All of
ubuntu/linux-image-azure<6.2.0.1017.17
6.2.0.1017.17
=23.04
All of
ubuntu/linux-image-gcp<6.2.0.1019.19
6.2.0.1019.19
=23.04
All of
ubuntu/linux-image-6.2.0-1017-azure<6.2.0-1017.17~22.04.1
6.2.0-1017.17~22.04.1
=22.04
All of
ubuntu/linux-image-6.2.0-1017-azure-fde<6.2.0-1017.17~22.04.1.1
6.2.0-1017.17~22.04.1.1
=22.04
All of
ubuntu/linux-image-6.2.0-1019-gcp<6.2.0-1019.21~22.04.1
6.2.0-1019.21~22.04.1
=22.04
All of
ubuntu/linux-image-azure<6.2.0.1017.17~22.04.1
6.2.0.1017.17~22.04.1
=22.04
All of
ubuntu/linux-image-azure-fde<6.2.0.1017.17~22.04.1.14
6.2.0.1017.17~22.04.1.14
=22.04
All of
ubuntu/linux-image-gcp<6.2.0.1019.21~22.04.1
6.2.0.1019.21~22.04.1
=22.04

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Reference Links

Child vulnerabilities

(Contains the following vulnerabilities)

Frequently Asked Questions

  • What is the severity of USN-6502-4?

    The severity of USN-6502-4 is high.

  • How does CVE-2023-25775 impact the Linux kernel?

    CVE-2023-25775 allows a remote attacker to execute arbitrary code in the Linux kernel.

  • Which versions of Ubuntu are affected by USN-6502-4?

    Ubuntu 23.04 and Ubuntu 22.04 are affected by USN-6502-4.

  • Where can I find more information about USN-6502-4?

    You can find more information about USN-6502-4 on the Ubuntu Security website.

  • How can I fix USN-6502-4?

    To fix USN-6502-4, you should update to the specified versions of the linux-image packages for your Ubuntu version.

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