CVE-2022-49766

MEDIUM

Linux Kernel < 6.0.10 - Denial of Service via Netlink Message Bounds Check Bypass

Title source: llm
STIX 2.1

Description

In the Linux kernel, the following vulnerability has been resolved: netlink: Bounds-check struct nlmsgerr creation In preparation for FORTIFY_SOURCE doing bounds-check on memcpy(), switch from __nlmsg_put to nlmsg_put(), and explain the bounds check for dealing with the memcpy() across a composite flexible array struct. Avoids this future run-time warning: memcpy: detected field-spanning write (size 32) of single field "&errmsg->msg" at net/netlink/af_netlink.c:2447 (size 16)

Scores

CVSS v3 5.5
EPSS 0.0016
EPSS Percentile 5.6%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Details

Status published
Products (8)
linux/Kernel 2.6.12 - 6.0.10linux
Linux/Linux < 2.6.12
Linux/Linux 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 - 710d21fdff9a98d621cd4e64167f3ef8af4e2fd1
Linux/Linux 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 - aff4eb16f589c3af322a2582044bca365381fcd6
Linux/Linux 2.6.12
Linux/Linux 6.0.10 - 6.0.*
Linux/Linux 6.1
linux/linux_kernel < 6.0.10
Published May 01, 2025
Tracked Since Feb 18, 2026