CVEvulnerability
CVE-2022-49743
5.5 MEDIUM
Official page ↗
- Status
- Modified
- Published
- 2025-03-27
- Last modified
- 2026-10-15
- Assigner
- 416baaa9-dc9f-4396-8d5f-8c081fb06d67
- CVSS 3.1 (416baaa9-dc9f-4396-8d5f-8c081fb06d67)
- 7.5 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- CVSS 3.1 ([email protected])
- 5.5 MEDIUM — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
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)
Affected configurations
• linux linux kernel (< 5.15.93)
• linux linux kernel (>= 5.16 < 6.1.11)
References
- https://git.kernel.org/stable/c/012cdef22000f3104e4fa8224ad29fde509b8caf git.kernel.org
- https://git.kernel.org/stable/c/07a96977b2f462337a9121302de64277b8747ab1 Patch
- https://git.kernel.org/stable/c/a77141a06367825d639ac51b04703d551163e36c Patch
- https://git.kernel.org/stable/c/cf8aa9bf97cadf85745506c6a3e244b22c268d63 Patch