ovl: Use "buf" flexible array for memcpy() destination (Linux Linux)
At a glance
- Source
- NVD
- EPSS
- EPSS 0.45 % · percentile 39 ()
- State
- PUBLISHED
- Published
- Updated
- Assigner
- Linux
- NVD status
- Modified
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)
References
Scores
| Version | Score | Vector | Scored by |
|---|---|---|---|
| CVSS 3.1 | HIGH 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H | Linux |
| CVSS 3.1 | HIGH 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H | NVD · 416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Secondary) |
| CVSS 3.1 | MEDIUM 5.5 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H | NVD · nvd@nist.gov (Primary) |
European references
- ENISA EUVD · EUVD-2022-55180
- GCVE · GCVE-0-2022-49743
CERT-FR advisories
- CERTFR-2026-AVI-0167 — Multiples vulnérabilités dans le noyau Linux de Debian LTS · cert.ssi.gouv.fr
Affected configurations (NVD CPE)
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*< 5.15.93cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*≥ 5.16 < 6.1.11
Affected products
| Product | Versions |
|---|---|
| Linux · Linux | affected cbe7fba8edfc8cb8e621599e376f8ac5c224fa72 < 012cdef22000f3104e4fa8224ad29fde509b8caf ; affected cbe7fba8edfc8cb8e621599e376f8ac5c224fa72 < a77141a06367825d639ac51b04703d551163e36c ; affected cbe7fba8edfc8cb8e621599e376f8ac5c224fa72 < 07a96977b2f462337a9121302de64277b8747ab1 ; affected cbe7fba8edfc8cb8e621599e376f8ac5c224fa72 < cf8aa9bf97cadf85745506c6a3e244b22c268d63 |
| Linux · Linux | affected 5.5 ; unaffected 0 < 5.5 ; unaffected 5.10.248 ≤ 5.10.* ; unaffected 5.15.93 ≤ 5.15.* ; unaffected 6.1.11 ≤ 6.1.* ; unaffected 6.2 ≤ * |
Sources
| Source | Licence |
|---|---|
| CVE List (CVEProject cvelistV5) | CVE Program Terms of Use |
| EPSS (FIRST.org) | FIRST — attribution requested |
| ENISA EUVD | ENISA — reproduction authorised, source acknowledged |
| CERT-FR (ANSSI) | Licence Ouverte / Etalab 2.0 |
| NVD (NIST) via fkie-cad/nvd-json-data-feeds | Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD |