CVE-2022-49743

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Source
https://cve.org/CVERecord?id=CVE-2022-49743
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2022-49743.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2022-49743
Downstream
Published
2025-03-27T16:42:54.289Z
Modified
2026-03-20T11:47:11.488621Z
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

Git / git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git

Affected ranges

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

Database specific

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