Vulnerability 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
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | >= 3.2.1, < 6.12.82 |
Related Weaknesses (CWE)
References
- https://git.kernel.org/stable/c/66083581945bd5b8e99fe49b5aeb83d03f62d053Patch
- https://git.kernel.org/stable/c/702029337b057085ea13f964822dcd95e0fe53f5Patch
- https://git.kernel.org/stable/c/91ff0d8c3464da7f0c43da38c195e60b660128bfPatch
- https://git.kernel.org/stable/c/9df613ef6e8e873cdab969a11f74823488977f1f
- https://git.kernel.org/stable/c/d05f55d68ebdebb2b0a8480d766eaae88c8c92dePatch
FAQ
What is CVE-2026-23330?
CVE-2026-23330 is a vulnerability with a CVSS score of 5.5 (MEDIUM). 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....
How severe is CVE-2026-23330?
CVE-2026-23330 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-23330?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel.