Vulnerability in Linux
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)
EPSS: 0.002 (7.6th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Linux — versions cbe7fba8edfc8cb8e621599e376f8ac5c224fa72, 5.5, 0
- Linux Linux_kernel
References
Frequently asked questions
- What is CVE-2022-49743?
- CVE-2022-49743 is a high-severity vulnerability in Linux. CVSS score: 7.5/10. Published 2025-03-27.
- How severe is CVE-2022-49743?
- High severity. CVSS v3 base score is 7.5 out of 10.