What’s Vulnerable › Vulnerabilities

CVE-2024-57857: RDMA/siw: Remove direct link to net_device

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-01-15 · updated 2026-10-21
• Weakness: CWE-416

Description

In the Linux kernel, the following vulnerability has been resolved: RDMA/siw: Remove direct link to net_device Do not manage a per device direct link to net_device. Rely on associated ib_devices net_device management, not doubling the effort locally. A badly managed local link to net_device was causing a 'KASAN: slab-use-after-free' exception during siw_query_port() call.

Affected products

• Linux kernel: from 5.3 before 6.12.9; 6.13-rc1, 6.13-rc2, 6.13-rc3, 6.13-rc4, 6.13-rc5 — fixed in 6.12.9

How to fix

Upgrade to a fixed version: Linux kernel 6.12.9. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/16b87037b48889d21854c8e97aec8a1baf2642b3
• https://git.kernel.org/stable/c/4eafeb4f021c50d13f199239d913b37de3c83135
• https://git.kernel.org/stable/c/6a97bfc0293db234ac6ec32f6a32bd6702191a95

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