CVE-2022-49766

MEDIUM
MEDIUM Priority: 0.01 BB Relevance: 36/100
Published: 2025-05-01 Modified: 2026-11-05 First seen: 2026-11-05 Status: active

Attack Surface

Low Complexity No Interaction

CVSS Vector Breakdown

AV: Local
AC: Low
PR: Low
UI: None
S: Unchanged
C: None
I: None
A: High

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)

Affected Software (4)

VendorProductVersion
Linux Linux 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < aff4eb16f589c3af322a2582044bca365381fcd6
Linux Linux 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 710d21fdff9a98d621cd4e64167f3ef8af4e2fd1
Linux Linux 2.6.12
linux linux_kernel < 6.0.10

Bug Bounty Relevance

36 / 100
✓ Low complexity
✓ No user interaction

CVSS Score

5.5 / 10.0 v3.1
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

EPSS — Exploitation Probability

0.17%
Raw Score 0.001700
Percentile 6.5%
Date 2026-11-05

Intelligence Sources

mitre ref →
nvd ref →