What’s Vulnerable › Vulnerabilities

CVE-2026-98895: net/mlx5: HWS, Handle destroying table that has a miss table

• Severity: high (CVSS 7.0 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: 2026-10-23 · updated 2026-10-26

Description

In the Linux kernel, the following vulnerability has been resolved: net/mlx5: HWS, Handle destroying table that has a miss table If a table has a miss table that was created by 'mlx5hws_table_set_default_miss' API function, its miss_tbl keeps the table that points to it in a list. If such table is deleted, we need to also remove it from the miss_tbl list, otherwise the node in miss_tbl list will contain garbage.

Affected products

• Linux kernel: before 6.12.111; before 6.18.53 — fixed in 6.12.111, 6.18.53, 7.2

How to fix

Upgrade to a fixed version: Linux kernel 6.12.111, 6.18.53, 7.2. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/60e9e82f162ab7399373ff2185119289e4f6dc06
• https://git.kernel.org/stable/c/6efdc212627cecf33b594256ae4460b4c52a126a

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