What’s Vulnerable › Vulnerabilities

CVE-2023-23006

• 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: 2023-03-01 · updated 2026-06-17
• Weakness: CWE-476

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).

Affected products

• Linux kernel: before 5.15.13 — fixed in 5.15.13

How to fix

Upgrade to a fixed version: Linux kernel 5.15.13. Check the vendor advisory for mitigations.

References

• https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.13
• https://github.com/torvalds/linux/commit/6b8b42585886c59a008015083282aae434349094
• https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.13
• https://github.com/torvalds/linux/commit/6b8b42585886c59a008015083282aae434349094

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