CVE-2025-37888 net/mlx5: Fix null-ptr-deref in mlx5_create_{inner_,}ttc_table()

What is CVE-2025-37888?

CVE-2025-37888 is a medium-severity vulnerability in Linux kernel, published on 9 May 2025. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

In the Linux kernel, the following vulnerability has been resolved:

net/mlx5: Fix null-ptr-deref in mlx5_create_{inner_,}ttc_table()

Add NULL check for mlx5_get_flow_namespace() returns in mlx5_create_inner_ttc_table() and mlx5_create_ttc_table() to prevent NULL pointer dereference.

Weakness: CWE-476

Which versions are affected by CVE-2025-37888?

It affects 1 product.

Products include Linux kernel.

How do I fix CVE-2025-37888?

Apply the vendor's patch.

Is CVE-2025-37888 being exploited?

There is no known exploitation of CVE-2025-37888 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 BELL-CVE-2025-37888, DEBIAN-CVE-2025-37888, GHSA-hx3g-38mv-vv77, ROOT-OS-UBUNTU-2204-CVE-2025-37888, UBUNTU-CVE-2025-37888.