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National Vulnerability Database

National Vulnerability Database

NVD

National Vulnerability Database
  1. Vulnerabilities

CVE-2022-50656 Detail

Description

In the Linux kernel, the following vulnerability has been resolved: nfc: pn533: Clear nfc_target before being used Fix a slab-out-of-bounds read that occurs in nla_put() called from nfc_genl_send_target() when target->sensb_res_len, which is duplicated from an nfc_target in pn533, is too large as the nfc_target is not properly initialized and retains garbage values. Clear nfc_targets with memset() before they are used. Found by a modified version of syzkaller. BUG: KASAN: slab-out-of-bounds in nla_put Call Trace: memcpy nla_put nfc_genl_dump_targets genl_lock_dumpit netlink_dump __netlink_dump_start genl_family_rcv_msg_dumpit genl_rcv_msg netlink_rcv_skb genl_rcv netlink_unicast netlink_sendmsg sock_sendmsg ____sys_sendmsg ___sys_sendmsg __sys_sendmsg do_syscall_64


Metrics

 
NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

References to Advisories, Solutions, and Tools

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URL Source(s) Tag(s)
https://git.kernel.org/stable/c/61a7e15d55fae329a245535c3bac494e401005b8 kernel.org
https://git.kernel.org/stable/c/755019e37815a66bb0a23893debbd3dd640ccbd3 kernel.org
https://git.kernel.org/stable/c/8bddef54cbe9ede5ac7478f1e1e968fcfe7e6f03 kernel.org
https://git.kernel.org/stable/c/9da4a0411f3455e3885831d0758bee3e3d565bbc kernel.org
https://git.kernel.org/stable/c/9f28157778ede0d4f183f7ab3b46995bb400abbe kernel.org
https://git.kernel.org/stable/c/aae9c24ebd901f482e6c88b6f9e0c80dc5b536d6 kernel.org
https://git.kernel.org/stable/c/aea9e64dec2cc6cd742e07ecd4e6236fc76b389b kernel.org
https://git.kernel.org/stable/c/bef2f478513e7367ef3b05441f6afca981de29be kernel.org
https://git.kernel.org/stable/c/e491285b4d08884b622638be8e4961eb43b0af64 kernel.org

Weakness Enumeration

CWE-ID CWE Name Source

Change History

1 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2022-50656
NVD Published Date:
12/08/2025
NVD Last Modified:
12/09/2025
Source:
kernel.org