# CVE-2022-49508: linux: In the Linux kernel, the following vulnerability has been resolved:  HID: elan: Fix potential double free in elan_inp...

CVE-2022-49508 is fixed in linux on 1 platform, first by DEBIAN-CVE-2022-49508, released February 26, 2025. It is not reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/cve/CVE-2022-49508
- Priority: High
- CVSS: 7.8 (high)
- EPSS: 0.0030
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Feb 26, 2025

## Description

In the Linux kernel, the following vulnerability has been resolved:  HID: elan: Fix potential double free in elan_input_configured  'input' is a managed resource allocated with devm_input_allocate_device(), so there is no need to call input_free_device() explicitly or there will be a double free.  According to the doc of devm_input_allocate_device():  * Managed input devices do not need to be explicitly unregistered or  * freed as it will be done automatically when owner device unbinds from  * its driver (or binding fails).

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | linux Debian 12.15 (bookworm) | 5.18.5-1 | [DEBIAN-CVE-2022-49508](https://patchblox.com/security/data/fix/linux/debian-cve-2022-49508.md) | Feb 26, 2025 |
| Linux | linux Debian 13.5 (trixie) | 5.18.5-1 | [DEBIAN-CVE-2022-49508](https://patchblox.com/security/data/fix/linux/debian-cve-2022-49508.md) | Feb 26, 2025 |
| Linux | linux Debian 14 | 5.18.5-1 | [DEBIAN-CVE-2022-49508](https://patchblox.com/security/data/fix/linux/debian-cve-2022-49508.md) | Feb 26, 2025 |

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Data as of 2026-11-08T00:53:09Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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