# CVE-2022-50854: linux: In the Linux kernel, the following vulnerability has been resolved:  nfc: virtual_ncidev: Fix memory leak in virtual_...

CVE-2022-50854 is fixed in linux on 1 platform, first by DEBIAN-CVE-2022-50854, released December 30, 2025. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2022-50854
- Priority: Routine
- CVSS: n/a
- EPSS: 0.0020
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Dec 30, 2025

## Description

In the Linux kernel, the following vulnerability has been resolved:  nfc: virtual_ncidev: Fix memory leak in virtual_nci_send()  skb should be free in virtual_nci_send(), otherwise kmemleak will report memleak.  Steps for reproduction (simulated in qemu): 	cd tools/testing/selftests/nci 	make 	./nci_dev  BUG: memory leak unreferenced object 0xffff888107588000 (size 208):   comm "nci_dev", pid 206, jiffies 4294945376 (age 368.248s)   hex dump (first 32 bytes):     00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................     00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................   backtrace:     [<000000008d94c8fd>] __alloc_skb+0x1da/0x290     [<00000000278bc7f8>] nci_send_cmd+0xa3/0x350     [<0000000081256a22>] nci_reset_req+0x6b/0xa0     [<000000009e721112>] __nci_request+0x90/0x250     [<000000005d556e59>] nci_dev_up+0x217/0x5b0     [<00000000e618ce62>] nfc_dev_up+0x114/0x220     [<00000000981e226b>] nfc_genl_dev_up+0x94/0xe0     [<000000009bb03517>] genl_family_rcv_msg_doit.isra.14+0x228/0x2d0     [<00000000b7f8c101>] genl_rcv_msg+0x35c/0x640     [<00000000c94075ff>] netlink_rcv_skb+0x11e/0x350     [<00000000440cfb1e>] genl_rcv+0x24/0x40     [<0000000062593b40>] netlink_unicast+0x43f/0x640     [<000000001d0b13cc>] netlink_sendmsg+0x73a/0xbf0     [<000000003272487f>] __sys_sendto+0x324/0x370     [<00000000ef9f1747>] __x64_sys_sendto+0xdd/0x1b0     [<000000001e437841>] do_syscall_64+0x3f/0x90

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | linux Debian 12.15 (bookworm) | 6.0.7-1 | [DEBIAN-CVE-2022-50854](https://patchblox.com/security/data/fix/linux/debian-cve-2022-50854.md) | Dec 30, 2025 |
| Linux | linux Debian 13.5 (trixie) | 6.0.7-1 | [DEBIAN-CVE-2022-50854](https://patchblox.com/security/data/fix/linux/debian-cve-2022-50854.md) | Dec 30, 2025 |
| Linux | linux Debian 14 | 6.0.7-1 | [DEBIAN-CVE-2022-50854](https://patchblox.com/security/data/fix/linux/debian-cve-2022-50854.md) | Dec 30, 2025 |

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Data as of 2026-11-08T06:59:42Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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