CVE-2026-74693
net: prestera: validate firmware header length
Not available
At a glance
- Source
- NVD
- EPSS
- EPSS 0.22 % · percentile 12 ()
- State
- PUBLISHED
- Published
- Updated
- Assigner
- Linux
- NVD status
- Received
Description
In the Linux kernel, the following vulnerability has been resolved: net: prestera: validate firmware header length prestera_fw_hdr_parse() reads the firmware header before checking that the firmware image contains that header. Reject images shorter than struct prestera_fw_header before decoding the magic and version fields.
References
- https://git.kernel.org/stable/c/38a3afbf9fd8a2e8c47fa3ca47b425a8a9623240
- https://git.kernel.org/stable/c/0fbcceb9d19f2d1dcdf099aee590f2517cb718bb
- https://git.kernel.org/stable/c/e0f382e8084117f0b11ffb070fe1079e38c0d7f9
- https://git.kernel.org/stable/c/6fad06bb793d7089ae05b9fcf46e11be2dfe4850
- https://git.kernel.org/stable/c/470ac9cce7308e60cf2dceb448749cdd006e73de
- https://git.kernel.org/stable/c/363e048a9d0a6c245cbc348c8a220170afed046a
- https://git.kernel.org/stable/c/7fa8a12296d8d5aa4b1c3904f0b354d81124cf29
- https://git.kernel.org/stable/c/8ae344eb540af3f457179b52bc6061416752485c
European references
- ENISA EUVD · EUVD-2026-64380
- GCVE · GCVE-0-2026-74693
CERT-FR advisories
- CERTFR-2026-AVI-1385 — Multiples vulnérabilités dans les produits VMware · cert.ssi.gouv.fr
- CERTFR-2026-AVI-1333 — Multiples vulnérabilités dans le noyau Linux d'Ubuntu · cert.ssi.gouv.fr
- CERTFR-2026-AVI-1286 — Multiples vulnérabilités dans le noyau Linux d'Ubuntu · cert.ssi.gouv.fr
- CERTFR-2026-AVI-1232 — Multiples vulnérabilités dans le noyau Linux de Debian LTS · cert.ssi.gouv.fr
- CERTFR-2026-AVI-1163 — Multiples vulnérabilités dans le noyau Linux de Debian LTS · cert.ssi.gouv.fr
- CERTFR-2026-AVI-1090 — Multiples vulnérabilités dans le noyau Linux de Debian · cert.ssi.gouv.fr
Affected products
| Product | Versions |
|---|---|
| Linux · Linux | affected 4c2703dfd7fabb0824b3bc345f9fa47e33248c14 < 38a3afbf9fd8a2e8c47fa3ca47b425a8a9623240 ; affected 4c2703dfd7fabb0824b3bc345f9fa47e33248c14 < 0fbcceb9d19f2d1dcdf099aee590f2517cb718bb ; affected 4c2703dfd7fabb0824b3bc345f9fa47e33248c14 < e0f382e8084117f0b11ffb070fe1079e38c0d7f9 ; affected 4c2703dfd7fabb0824b3bc345f9fa47e33248c14 < 6fad06bb793d7089ae05b9fcf46e11be2dfe4850 ; affected 4c2703dfd7fabb0824b3bc345f9fa47e33248c14 < 470ac9cce7308e60cf2dceb448749cdd006e73de ; affected 4c2703dfd7fabb0824b3bc345f9fa47e33248c14 < 363e048a9d0a6c245cbc348c8a220170afed046a |
| Linux · Linux | affected 5.10 ; unaffected 0 < 5.10 ; unaffected 5.10.265 ≤ 5.10.* ; unaffected 5.15.216 ≤ 5.15.* ; unaffected 6.1.183 ≤ 6.1.* ; unaffected 6.6.152 ≤ 6.6.* |
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 |