CVE-2026-23330

MediumCVSS 5.5/10Last modified Oct 30, 2026

Description

In the Linux kernel, the following vulnerability has been resolved:

nfc: nci: complete pending data exchange on device close

In nci_close_device(), complete any pending data exchange before closing. The data exchange callback (e.g. rawsock_data_exchange_complete) holds a socket reference.

NIPA occasionally hits this leak:

unreferenced object 0xff1100000f435000 (size 2048): comm "nci_dev", pid 3954, jiffies 4295441245 hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 27 00 01 40 00 00 00 00 00 00 00 00 00 00 00 00 '..@............ backtrace (crc ec2b3c5): __kmalloc_noprof+0x4db/0x730 sk_prot_alloc.isra.0+0xe4/0x1d0 sk_alloc+0x36/0x760 rawsock_create+0xd1/0x540 nfc_sock_create+0x11f/0x280 __sock_create+0x22d/0x630 __sys_socket+0x115/0x1d0 __x64_sys_socket+0x72/0xd0 do_syscall_64+0x117/0xfc0 entry_SYSCALL_64_after_hwframe+0x4b/0x53

Metrics

CVSS 3.1 5.5/10CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-401

Affected software

VendorProductVersions
LinuxLinux>= 38f04c6b1b682f1879441e2925403ad9aff9e229, < 75fdb22ef0635c02337de0c08c98f93f37b5cbee; >= 38f04c6b1b682f1879441e2925403ad9aff9e229, < 9df613ef6e8e873cdab969a11f74823488977f1f; >= 38f04c6b1b682f1879441e2925403ad9aff9e229, < 702029337b057085ea13f964822dcd95e0fe53f5; >= 38f04c6b1b682f1879441e2925403ad9aff9e229, < 91ff0d8c3464da7f0c43da38c195e60b660128bf; >= 38f04c6b1b682f1879441e2925403ad9aff9e229, < d05f55d68ebdebb2b0a8480d766eaae88c8c92de; >= 38f04c6b1b682f1879441e2925403ad9aff9e229, < 66083581945bd5b8e99fe49b5aeb83d03f62d053
LinuxLinux3.2

References

Timeline

Published
Mar 25, 2026
Last modified
Oct 30, 2026
NVD status
Modified

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