CVE-2022-49743

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 3.1

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

EPSS

0.5% chance of exploitation in the next 30 days; higher than 38% of CVEs (scores of 2026-10-25)

Published

2025-03-27

Modified

2026-10-15

Record from

the NVD, synced 2026-10-19

Affected

• linux:linux_kernel

References

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

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