Potential NULL Pointer Dereference in nfc_genl_dump_ses_done

Kernel Updated 02 Oct 2025

Summary

19/12/2021

Disclosed on

N/A

Severity

No i

Fix available

Unrated

Severity

Not published

CVSS Score

GSD-2021-1002364: nfc: fix potential NULL pointer deref in nfc_genl_dump_ses_done. Affects Kernel versions >= ac22ac466a659f1b2e02a2e2ee23fc5c42da2c95, < 87cdb8789c38e44ae5454aafe277997c950d00ed. No fix is published. How to fix ↓

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Background

The nfc (Near Field Communication) package is a part of the Linux Kernel ecosystem. It provides support for NFC devices and protocols. NFC enables short-range communication between electronic devices, allowing them to exchange data or perform transactions. The nfc_genl_dump_ses_done function is responsible for dumping session information in the NFC Generic Netlink interface.

Vulnerability Detail

The nfc_genl_dump_ses_done function in the nfc package is susceptible to a potential NULL pointer dereference. This vulnerability was introduced in version v3.12 of the Linux Kernel and was fixed in version v4.4.295. An attacker could exploit this vulnerability to cause a denial-of-service (DoS) condition or potentially execute arbitrary code. The impact and attack plausibility of this vulnerability have not been proven.

How To Fix

No fixed version is published for this vulnerability.

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Workaround

No specific workaround has been mentioned for this vulnerability.

Conclusion

The potential NULL pointer dereference vulnerability in the nfc_genl_dump_ses_done function of the nfc package has been identified. It is recommended to update the Linux Kernel to version v4.4.295 or later to mitigate this vulnerability. For further support on vulnerability remediation, please contact DevNack.com.

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