CVE-2026-23330

MEDIUM

nfc: nci: complete pending data exchange on device close

Title source: cna
STIX 2.1

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

Scores

CVSS v3 5.5
EPSS 0.0001
EPSS Percentile 3.2%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Details

CWE
CWE-401
Status published
Products (18)
linux/Kernel 3.2.0 - 6.18.17linux
linux/Kernel 6.19.0 - 6.19.7linux
Linux/Linux < 3.2
Linux/Linux 3.2
Linux/Linux 38f04c6b1b682f1879441e2925403ad9aff9e229 - 66083581945bd5b8e99fe49b5aeb83d03f62d053
Linux/Linux 38f04c6b1b682f1879441e2925403ad9aff9e229 - 702029337b057085ea13f964822dcd95e0fe53f5
Linux/Linux 38f04c6b1b682f1879441e2925403ad9aff9e229 - 91ff0d8c3464da7f0c43da38c195e60b660128bf
Linux/Linux 38f04c6b1b682f1879441e2925403ad9aff9e229 - 9df613ef6e8e873cdab969a11f74823488977f1f
Linux/Linux 38f04c6b1b682f1879441e2925403ad9aff9e229 - d05f55d68ebdebb2b0a8480d766eaae88c8c92de
Linux/Linux 6.12.82 - 6.12.*
... and 8 more
Published Mar 25, 2026
Tracked Since Mar 25, 2026