CVE-2022-49743

High

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)

SeverityHigh
CVSS7.5
Exploit probability—
ProductLinux Kernel
PublishedMar 27, 2025
First seenMar 27, 2025

How to fix

Update
  • linux linux_kernel5.15.93, 6.1.11 or later

Affected products

ProductAffected versionsFixed in
linux linux_kernelv < 5.15.93, 5.16 ≤ v < 6.1.115.15.93, 6.1.11

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