What’s Vulnerable › Vulnerabilities

CVE-2024-50000: net/mlx5e: Fix NULL deref in mlx5e_tir_builder_alloc()

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2024-10-21 · updated 2026-06-17
• Weakness: CWE-476

Description

In the Linux kernel, the following vulnerability has been resolved: net/mlx5e: Fix NULL deref in mlx5e_tir_builder_alloc() In mlx5e_tir_builder_alloc() kvzalloc() may return NULL which is dereferenced on the next line in a reference to the modify field. Found by Linux Verification Center (linuxtesting.org) with SVACE.

Affected products

• Linux kernel: from 5.15 before 5.15.168; from 5.16 before 6.1.113; from 6.2 before 6.6.55; from 6.7 before 6.10.14; from 6.11 before 6.11.3; 6.12-rc1 — fixed in 5.15.168, 6.1.113, 6.10.14, 6.11.3, 6.6.55

How to fix

Upgrade to a fixed version: Linux kernel 5.15.168, 6.1.113, 6.10.14, 6.11.3. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/0168ab6fbd9e50d20b97486168b604b2ab28a2ca
• https://git.kernel.org/stable/c/1bcc86cc721bea68980098f51f102aa2c2b9d932
• https://git.kernel.org/stable/c/4655456a64a0f936098c8432bac64e7176bd2aff
• https://git.kernel.org/stable/c/4d80dde26d7bab1320210279483ac854dcb274b2
• https://git.kernel.org/stable/c/b48ee5bb25c02ca2b81e0d16bf8af17ab6ed3f8b
• https://git.kernel.org/stable/c/f25389e779500cf4a59ef9804534237841bce536
• https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html

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