medium
5.5
CWE
476
Advisory Published
CVE Published
Updated

CVE-2023-28328: Null Pointer Dereference

First published: Fri Nov 18 2022(Updated: )

A NULL pointer dereference flaw was found in the az6027 driver in drivers/media/usb/dev-usb/az6027.c in the Linux Kernel. The message from user space is not checked properly before transferring into the device. This flaw allows a local user to crash the system or potentially cause a denial of service.

Credit: secalert@redhat.com

Affected SoftwareAffected VersionHow to fix
redhat/kernel<6.2
6.2
Linux kernel<6.2
Red Hat Enterprise Linux=8.0
Linux Kernel<6.2
IBM Security Verify Governance - Identity Manager<=ISVG 10.0.2
IBM Security Verify Governance - Identity Manager<=ISVG 10.0.2
debian/linux
5.10.223-1
5.10.234-1
6.1.129-1
6.1.128-1
6.12.20-1
6.12.21-1

Remedy

https://bugzilla.redhat.com/show_bug.cgi?id=2177389

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Reference Links

Parent vulnerabilities

(Appears in the following advisories)

Frequently Asked Questions

  • What is the severity of CVE-2023-28328?

    CVE-2023-28328 has a high severity rating due to its potential to cause system crashes and denial of service.

  • What impact does CVE-2023-28328 have on affected systems?

    CVE-2023-28328 can lead to local users crashing the system, resulting in a denial of service.

  • How do I mitigate CVE-2023-28328?

    To mitigate CVE-2023-28328, users should upgrade to kernel versions 6.2 or apply the recommended patches.

  • Which systems are affected by CVE-2023-28328?

    CVE-2023-28328 affects systems running vulnerable versions of the Linux Kernel and certain IBM Security Verify Governance components.

  • Is there a way to check if my system is vulnerable to CVE-2023-28328?

    You can check your system's kernel version and compare it to the vulnerable versions noted in the CVE-2023-28328 documentation.

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