of: reserved_mem: prevent OOB when too many dynamic regions are defined (Linux Linux)
At a glance
- Source
- NVD
- EPSS
- EPSS 0.13 % · percentile 3 ()
- State
- PUBLISHED
- Published
- Updated
- Assigner
- Linux
- NVD status
- Received
Description
In the Linux kernel, the following vulnerability has been resolved: of: reserved_mem: prevent OOB when too many dynamic regions are defined On boot, fdt_scan_reserved_mem() saves each dynamically-placed /reserved-memory subnode into a local array of size MAX_RESERVED_REGIONS. If the device tree defines more than MAX_RESERVED_REGIONS dynamically-placed regions, fdt_scan_reserved_mem() writes past the end of the local array. Add a bounds check that logs an error and skips the excess regions, restoring the original behavior.
References
Scores
| Version | Score | Vector | Scored by |
|---|---|---|---|
| CVSS 3.1 | HIGH 8.4 | CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H | Linux |
| CVSS 3.1 | HIGH 8.4 | CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H | NVD · 416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Secondary) |
European references
- ENISA EUVD · EUVD-2026-67458
- GCVE · GCVE-0-2026-80723
CERT-FR advisories
- CERTFR-2026-AVI-1232 — Multiples vulnérabilités dans le noyau Linux de Debian LTS · cert.ssi.gouv.fr
Affected products
| Product | Versions |
|---|---|
| Linux · Linux | affected 9a0fe62f93ede02c27aaca81112af1e59c8c0979 < 68d27250c9e81ab7764603e346c2b1017cb53adf ; affected 8a6e02d0c00e7b62e6acb74146878bb91e9e7e31 < cfa7e2734877330d6c10e0f33953905486c4530c ; affected 8a6e02d0c00e7b62e6acb74146878bb91e9e7e31 < de8ccbd6bf4efe7a059e2c483789936009e10f42 ; affected 8a6e02d0c00e7b62e6acb74146878bb91e9e7e31 < db3dbdfea1b8f38774419c5c2c14e4b81c48708d ; affected 6.12.13 < 6.12.103 |
| Linux · Linux | affected 6.13 ; unaffected 0 < 6.13 ; unaffected 6.12.103 ≤ 6.12.* ; unaffected 6.18.44 ≤ 6.18.* ; unaffected 7.1.8 ≤ 7.1.* ; unaffected 7.2 ≤ * |
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 |