CVE-2022-49743

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 Metrics

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

EPSS Trends

Current EPSS score: 0.02%• Percentile: 4%

Affected Systems

• linux•linux

  ≥ cbe7fba8edfc8cb8e621599e376f8ac5c224fa72, < 012cdef22000f3104e4fa8224ad29fde509b8caf | ≥ cbe7fba8edfc8cb8e621599e376f8ac5c224fa72, < a77141a06367825d639ac51b04703d551163e36c | ≥ cbe7fba8edfc8cb8e621599e376f8ac5c224fa72, < 07a96977b2f462337a9121302de64277b8747ab1 | ≥ cbe7fba8edfc8cb8e621599e376f8ac5c224fa72, < cf8aa9bf97cadf85745506c6a3e244b22c268d63 | 5.5

• linux•linux_kernel

  < 5.15.93 | ≥ 5.16, < 6.1.11

References (4)

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