CVE-2022-49743

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Source

https://cve.org/CVERecord?id=CVE-2022-49743

Import Source

JSON Data

https://api.test.osv.dev/v1/vulns/CVE-2022-49743

Downstream

Published

2025-03-27T16:42:54.289Z

Modified

2026-05-28T03:53:19.701923427Z

Summary

ovl: Use "buf" flexible array for memcpy() destination

Details

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)

Database specific

{
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/49xxx/CVE-2022-49743.json",
    "cna_assigner": "Linux"
}

References

Affected packages

Type: GIT
Repo: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Events: Introduced

cbe7fba8edfc8cb8e621599e376f8ac5c224fa72

Fixed

012cdef22000f3104e4fa8224ad29fde509b8caf

Fixed

a77141a06367825d639ac51b04703d551163e36c

Fixed

07a96977b2f462337a9121302de64277b8747ab1

Fixed

cf8aa9bf97cadf85745506c6a3e244b22c268d63

source

"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2022-49743.json"

source

"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2022-49743.json"