What’s Vulnerable › Vulnerabilities

CVE-2024-42284: tipc: Return non-zero value from tipc_udp_addr2str() on error

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.9% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2024-08-17 · updated 2026-08-04
• Weakness: CWE-754

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.

Affected products

• Linux kernel: from 4.1 before 4.19.320; from 4.20 before 5.4.282; from 5.5 before 5.10.224; from 5.11 before 5.15.165; from 5.16 before 6.1.103; from 6.2 before 6.6.44 — fixed in 4.19.320, 5.10.224, 5.15.165, 5.4.282, 6.1.103, 6.10.3

How to fix

Upgrade to a fixed version: Linux kernel 4.19.320, 5.10.224, 5.15.165, 5.4.282. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/253405541be2f15ffebdeac2f4cf4b7e9144d12f
• https://git.kernel.org/stable/c/2abe350db1aa599eeebc6892237d0bce0f1de62a
• 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/7ec3335dd89c8d169e9650e4bac64fde71fdf15b
• https://git.kernel.org/stable/c/aa38bf74899de07cf70b50cd17f8ad45fb6654c8
• https://git.kernel.org/stable/c/fa96c6baef1b5385e2f0c0677b32b3839e716076
• https://lists.debian.org/debian-lts-announce/2024/10/msg00003.html
• https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html

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