What’s Vulnerable › Vulnerabilities

CVE-2022-49924: nfc: fdp: Fix potential memory leak in fdp_nci_send()

• 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
• Weakness: CWE-401

Description

In the Linux kernel, the following vulnerability has been resolved: nfc: fdp: Fix potential memory leak in fdp_nci_send() fdp_nci_send() will call fdp_nci_i2c_write that will not free skb in the function. As a result, when fdp_nci_i2c_write() finished, the skb will memleak. fdp_nci_send() should free skb after fdp_nci_i2c_write() finished.

Affected products

• Linux kernel: from 4.4 before 5.10.154; from 5.11 before 5.15.78; from 5.16 before 6.0.8; 6.1-rc1, 6.1-rc2, 6.1-rc3 — fixed in 5.10.154, 5.15.78, 6.0.8

How to fix

Upgrade to a fixed version: Linux kernel 5.10.154, 5.15.78, 6.0.8. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/1a7a898f8f7b56c0eaa2baf67a0c96235a30bc29
• https://git.kernel.org/stable/c/44bc1868a4f542502ea2221fe5ad88ca66d1c6b6
• https://git.kernel.org/stable/c/8e4aae6b8ca76afb1fb64dcb24be44ba814e7f8a
• https://git.kernel.org/stable/c/e8c11ee2d07f7c4dfa2ac0ea8efc4f627e58ea57

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