CVE-2022-49766

MEDIUM EPSS 3.7%
Published May 1, 20251y ago · Modified Jun 17, 20261w ago
5.5 CVSS 3.1
Medium
Find Similar
Published May 1, 2025 1y ago
Last Modified Jun 17, 2026 1w ago

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)

CVSS Details

Base Score
5.5
Exploitability
1.8
Impact
3.6
Vector string
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack Vector Local
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality None
Integrity None
Availability High

Threat Intelligence

EPSS Exploit Probability
3.7% percentile
Exploit & Patch Status
No Known Exploit
Patch Available

Affected Products 1

VendorProductVersionRange
linuxlinux_kernel* <6.0.10

References 2

  • git.kernel.org https://git.kernel.org/stable/c/710d21fdff9a98d621cd4e64167f3ef8af4e2fd1
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/aff4eb16f589c3af322a2582044bca365381fcd6
    Patch

Remediation

  • git.kernel.org https://git.kernel.org/stable/c/710d21fdff9a98d621cd4e64167f3ef8af4e2fd1
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/aff4eb16f589c3af322a2582044bca365381fcd6
    Patch