CVE-2022-23085

HighCVSS 8.2/10Last modified Jun 17, 2026

Description

A user-provided integer option was passed to nmreq_copyin() without checking if it would overflow. This insufficient bounds checking could lead to kernel memory corruption.

On systems configured to include netmap in their devfs_ruleset, a privileged process running in a jail can affect the host environment.

Metrics

CVSS 3.1 8.2/10CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

Weakness enumeration

CWE-787CWE-120

Affected software

No affected versions have been published.

Timeline

Published
Feb 15, 2024
Last modified
Jun 17, 2026
NVD status
Analyzed

Related CVEs from 2022

CVE-2022-230867.8Handlers for *_CFG_PAGE read / write ioctls in the mpr, mps, and mpt drivers allocated a buffer of a caller-specified size, but copied to itCVE-2022-230878.8The e1000 network adapters permit a variety of modifications to an Ethernet packet when it is being transmitted. These include the insertioCVE-2022-230889.8The 802.11 beacon handling routine failed to validate the length of an IEEE 802.11s Mesh ID before copying it to a heap-allocated buffer. WCVE-2022-230894.7When dumping core and saving process information, proc_getargv() might return an sbuf which have a sbuf_len() of 0 or -1, which is not propeCVE-2022-23097.5NULL Pointer Dereference allows attackers to cause a denial of service (or application crash). This only applies when lxml is used together CVE-2022-230907.7The aio_aqueue function, used by the lio_listio system call, fails to release a reference to a credential in an error case. An attacker mayCVE-2022-230914.0A particular case of memory sharing is mishandled in the virtual memory system. This is very similar to SA-21:08.vm, but with a different rCVE-2022-230928.8The implementation of lib9p's handling of RWALK messages was missing a bounds check needed when unpacking the message contents. The missingCVE-2022-230936.5ping reads raw IP packets from the network to process responses in the pr_pack() function. As part of processing a response ping has to recCVE-2022-230947.5Libreswan 4.2 through 4.5 allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via a crafted IKECVE-2022-230957.8Open Design Alliance Drawings SDK before 2022.12.1 mishandles the loading of JPG files. Unchecked input data from a crafted JPG file leads tCVE-2022-230969.1An issue was discovered in the DNS proxy in Connman through 1.40. The TCP server reply implementation lacks a check for the presence of suff