CVE-2023-28328 Null dereference in Linux

What is CVE-2023-28328?

CVE-2023-28328 is a medium-severity vulnerability in Linux kernel, published on 19 Apr 2023. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

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.

Weakness: CWE-476

Which versions are affected by CVE-2023-28328?

It affects 2 products.

Products include Linux kernel, Redhat Enterprise Linux.

How do I fix CVE-2023-28328?

Apply the vendor's patch.

Is CVE-2023-28328 being exploited?

There is no known exploitation of CVE-2023-28328 in the wild and no public exploit code.

Other vulnerabilities in Linux kernel

• CVE-2026-53266 Linux Kernel Out-of-Bounds Write Exploited High 8.8
• CVE-2013-6282 Linux Kernel Improper Input Validation Exploited High 8.8
• CVE-2022-0185 Linux Kernel Heap-Based Buffer Overflow Exploited High 8.4
• CVE-2013-2094 Linux Kernel Privilege Escalation Exploited High 8.4
• CVE-2026-53362 Linux Kernel Unspecified Exploited High 7.8

All Linux kernel vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as AZL-26338, BELL-CVE-2023-28328, DEBIAN-CVE-2023-28328, GHSA-mv2p-2vgw-5cpm, UBUNTU-CVE-2023-28328.