# CVE-2022-49212: linux: In the Linux kernel, the following vulnerability has been resolved:  mtd: rawnand: atmel: fix refcount issue in atmel...

CVE-2022-49212 is fixed in linux on 1 platform, first by DEBIAN-CVE-2022-49212, released February 26, 2025. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2022-49212
- Priority: Routine
- CVSS: 5.5 (medium)
- EPSS: 0.0027
- 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:  mtd: rawnand: atmel: fix refcount issue in atmel_nand_controller_init  The reference counting issue happens in several error handling paths on a refcounted object "nc->dmac". In these paths, the function simply returns the error code, forgetting to balance the reference count of "nc->dmac", increased earlier by dma_request_channel(), which may cause refcount leaks.  Fix it by decrementing the refcount of specific object in those error paths.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | linux Debian 12.15 (bookworm) | 5.17.3-1 | [DEBIAN-CVE-2022-49212](https://patchblox.com/security/data/fix/linux/debian-cve-2022-49212.md) | Feb 26, 2025 |
| Linux | linux Debian 13.5 (trixie) | 5.17.3-1 | [DEBIAN-CVE-2022-49212](https://patchblox.com/security/data/fix/linux/debian-cve-2022-49212.md) | Feb 26, 2025 |
| Linux | linux Debian 14 | 5.17.3-1 | [DEBIAN-CVE-2022-49212](https://patchblox.com/security/data/fix/linux/debian-cve-2022-49212.md) | Feb 26, 2025 |

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Data as of 2026-11-08T19:12:23Z 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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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