CVE-2023-23006 Null dereference in n/a

What is CVE-2023-23006?

CVE-2023-23006 is a medium-severity vulnerability in Linux kernel, published on 1 Mar 2023. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

In the Linux kernel before 5.15.13, drivers/net/ethernet/mellanox/mlx5/core/steering/dr_domain.c misinterprets the mlx5_get_uars_page return value (expects it to be NULL in the error case, whereas it is actually an error pointer).

Weakness: CWE-476

Which versions are affected by CVE-2023-23006?

It affects 1 product.

Products include Linux kernel.

How do I fix CVE-2023-23006?

Apply the vendor's patch.

Is CVE-2023-23006 being exploited?

There is no known exploitation of CVE-2023-23006 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 DEBIAN-CVE-2023-23006, GHSA-8m95-f935-7c5q, UBUNTU-CVE-2023-23006.