What’s Vulnerable › Vulnerabilities

CVE-2022-49854: mctp: Fix an error handling path in mctp_init()

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-05-01 · updated 2026-06-17

Description

In the Linux kernel, the following vulnerability has been resolved: mctp: Fix an error handling path in mctp_init() If mctp_neigh_init() return error, the routes resources should be released in the error handling path. Otherwise some resources leak.

Affected products

• Linux kernel: from 5.15 before 5.15.79; from 5.16 before 6.0.9; 6.1-rc1, 6.1-rc2, 6.1-rc3, 6.1-rc4 — fixed in 5.15.79, 6.0.9

How to fix

Upgrade to a fixed version: Linux kernel 5.15.79, 6.0.9. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/216c83222d2eb24b0e63df56e8740b02c33286e8
• https://git.kernel.org/stable/c/49d8a6e24a3496d86e8d8ae748375df984fb6d6f
• https://git.kernel.org/stable/c/d4072058af4fd8fb4658e7452289042a406a9398

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