CVE-2026-23330
Severity CVSS v4.0:
Pending analysis
Type:
Unavailable / Other
Publication date:
25/03/2026
Last modified:
27/04/2026
Description
In the Linux kernel, the following vulnerability has been resolved:<br />
<br />
nfc: nci: complete pending data exchange on device close<br />
<br />
In nci_close_device(), complete any pending data exchange before<br />
closing. The data exchange callback (e.g.<br />
rawsock_data_exchange_complete) holds a socket reference.<br />
<br />
NIPA occasionally hits this leak:<br />
<br />
unreferenced object 0xff1100000f435000 (size 2048):<br />
comm "nci_dev", pid 3954, jiffies 4295441245<br />
hex dump (first 32 bytes):<br />
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................<br />
27 00 01 40 00 00 00 00 00 00 00 00 00 00 00 00 &#39;..@............<br />
backtrace (crc ec2b3c5):<br />
__kmalloc_noprof+0x4db/0x730<br />
sk_prot_alloc.isra.0+0xe4/0x1d0<br />
sk_alloc+0x36/0x760<br />
rawsock_create+0xd1/0x540<br />
nfc_sock_create+0x11f/0x280<br />
__sock_create+0x22d/0x630<br />
__sys_socket+0x115/0x1d0<br />
__x64_sys_socket+0x72/0xd0<br />
do_syscall_64+0x117/0xfc0<br />
entry_SYSCALL_64_after_hwframe+0x4b/0x53
Impact
Base Score 3.x
5.50
Severity 3.x
MEDIUM
Vulnerable products and versions
| CPE | From | Up to |
|---|---|---|
| cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | 3.2.1 (including) | 6.12.82 (excluding) |
| cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | 6.13 (including) | 6.18.17 (excluding) |
| cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | 6.19 (including) | 6.19.7 (excluding) |
| cpe:2.3:o:linux:linux_kernel:3.2:-:*:*:*:*:*:* | ||
| cpe:2.3:o:linux:linux_kernel:7.0:rc1:*:*:*:*:*:* | ||
| cpe:2.3:o:linux:linux_kernel:7.0:rc2:*:*:*:*:*:* | ||
| cpe:2.3:o:linux:linux_kernel:7.0:rc3:*:*:*:*:*:* | ||
| cpe:2.3:o:linux:linux_kernel:7.0:rc4:*:*:*:*:*:* | ||
| cpe:2.3:o:linux:linux_kernel:7.0:rc5:*:*:*:*:*:* | ||
| cpe:2.3:o:linux:linux_kernel:7.0:rc6:*:*:*:*:*:* | ||
| cpe:2.3:o:linux:linux_kernel:7.0:rc7:*:*:*:*:*:* |
To consult the complete list of CPE names with products and versions, see this page
References to Advisories, Solutions, and Tools
- https://git.kernel.org/stable/c/66083581945bd5b8e99fe49b5aeb83d03f62d053
- https://git.kernel.org/stable/c/702029337b057085ea13f964822dcd95e0fe53f5
- https://git.kernel.org/stable/c/91ff0d8c3464da7f0c43da38c195e60b660128bf
- https://git.kernel.org/stable/c/9df613ef6e8e873cdab969a11f74823488977f1f
- https://git.kernel.org/stable/c/d05f55d68ebdebb2b0a8480d766eaae88c8c92de



