CVE-2022-49743ovl: Use "buf" flexible array for memcpy() destination
Updated under an hour ago ()
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No exploitation reported and no EPSS estimate yet.
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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)
- CVSS
- 7.5 HIGH (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- Weakness (CWE)
- Not given
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- Linux
- NVD analysis
- Modified
- Record last updated
- Oct 15, 2026
- First seen by InfoSec Signals
- Oct 15, 2026
Affected products
Linux Linux linux:linux (from the name) | from cbe7fba8edfc8cb8e621599e376f8ac5c224fa72 before 012cdef22000f3104e4fa8224ad29fde509b8caf; from cbe7fba8edfc8cb8e621599e376f8ac5c224fa72 before a77141a06367825d639ac51b04703d551163e36c; from cbe7fba8edfc8cb8e621599e376f8ac5c224fa72 before 07a96977b2f462337a9121302de64277b8747ab1; from cbe7fba8edfc8cb8e621599e376f8ac5c224fa72 before cf8aa9bf97cadf85745506c6a3e244b22c268d63 | CNA record |
linux linux_kernel linux:linux_kernel | before 5.15.93; from 5.16 before 6.1.11 | NVD |
References
- https://git.kernel.org/stable/c/012cdef22000f3104e4fa8224ad29fde509b8caf
- https://git.kernel.org/stable/c/a77141a06367825d639ac51b04703d551163e36cpatch
- https://git.kernel.org/stable/c/07a96977b2f462337a9121302de64277b8747ab1patch
- https://git.kernel.org/stable/c/cf8aa9bf97cadf85745506c6a3e244b22c268d63patch
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.