CVE-2022-49743

MEDIUM EPSS 7.7%
Published Mar 27, 20251y ago · Modified Jun 17, 20261w ago
5.5 CVSS 3.1
Medium
Find Similar
Published Mar 27, 2025 1y ago
Last Modified Jun 17, 2026 1w ago

Description

In the Linux kernel, the following vulnerability has been resolved: ovl: Use "buf" flexible array for memcpy() destination The "buf" flexible array needs to be the memcpy() destination to avoid false positive run-time warning from the recent FORTIFY_SOURCE hardening: memcpy: detected field-spanning write (size 93) of single field "&fh->fb" at fs/overlayfs/export.c:799 (size 21)

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
7.7% percentile
Exploit & Patch Status
No Known Exploit
Patch Available

Affected Products 2

VendorProductVersionRange
linuxlinux_kernel* <5.15.93
linuxlinux_kernel*≥5.16  –  <6.1.11

References 4

  • git.kernel.org https://git.kernel.org/stable/c/012cdef22000f3104e4fa8224ad29fde509b8caf
  • git.kernel.org https://git.kernel.org/stable/c/07a96977b2f462337a9121302de64277b8747ab1
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/a77141a06367825d639ac51b04703d551163e36c
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/cf8aa9bf97cadf85745506c6a3e244b22c268d63
    Patch

Remediation

  • git.kernel.org https://git.kernel.org/stable/c/07a96977b2f462337a9121302de64277b8747ab1
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/a77141a06367825d639ac51b04703d551163e36c
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/cf8aa9bf97cadf85745506c6a3e244b22c268d63
    Patch