5.5

CVE-2026-23330

nfc: nci: complete pending data exchange on device close

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
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Linux ≫ Linux Kernel Version >= 3.2.1 < 6.12.82
Linux ≫ Linux Kernel Version >= 6.13 < 6.18.17
Linux ≫ Linux Kernel Version >= 6.19 < 6.19.7
Linux ≫ Linux Kernel Version3.2 Update-
Linux ≫ Linux Kernel Version7.0 Updaterc1
Linux ≫ Linux Kernel Version7.0 Updaterc2
Linux ≫ Linux Kernel Version7.0 Updaterc3
Linux ≫ Linux Kernel Version7.0 Updaterc4
Linux ≫ Linux Kernel Version7.0 Updaterc5
Linux ≫ Linux Kernel Version7.0 Updaterc6
Linux ≫ Linux Kernel Version7.0 Updaterc7
VulnDex Vulnerability Enrichment
Diese Information steht angemeldeten Benutzern zur Verfügung. Login Login
Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.12% 0.023
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
nvd@nist.gov 5.5 1.8 3.6
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE-401 Missing Release of Memory after Effective Lifetime

The product does not sufficiently track and release allocated memory after it has been used, making the memory unavailable for reallocation and reuse.

https://git.kernel.org/stable/c/91ff0d8c3464da7f0c43da38c195e60b660128bf
Patch
https://git.kernel.org/stable/c/d05f55d68ebdebb2b0a8480d766eaae88c8c92de
Patch
https://git.kernel.org/stable/c/66083581945bd5b8e99fe49b5aeb83d03f62d053
Patch
https://git.kernel.org/stable/c/702029337b057085ea13f964822dcd95e0fe53f5
Patch
https://git.kernel.org/stable/c/9df613ef6e8e873cdab969a11f74823488977f1f