CVE-2021-47445
drm/msm: Fix null pointer dereference on pointer edp
MEDIUM 5.5
En bref
- Source
- NVD
- EPSS
- EPSS 0.23 % · centile 13 ()
- État
- PUBLISHED
- Publiée
- Mise à jour
- Attribuée par
- Linux
- Statut NVD
- Analyzed
Description
In the Linux kernel, the following vulnerability has been resolved: drm/msm: Fix null pointer dereference on pointer edp The initialization of pointer dev dereferences pointer edp before edp is null checked, so there is a potential null pointer deference issue. Fix this by only dereferencing edp after edp has been null checked. Addresses-Coverity: ("Dereference before null check")
Faiblesses (CWE)
- CWE-476 — Déréférencement de pointeur nul
Références
- https://git.kernel.org/stable/c/f175b9a83e5c252d7c74acddc792840016caae0a
- https://git.kernel.org/stable/c/bacac7d26849c8e903ceb7466d9ce8dc3c2797eb
- https://git.kernel.org/stable/c/0cd063aa0a09822cc1620fc59a67fe2f9f6338ac
- https://git.kernel.org/stable/c/7f642b93710b6b1119bdff90be01e6b5a2a5d669
- https://git.kernel.org/stable/c/f302be08e3de94db8863a0b2958b2bb3e8e998e6
- https://git.kernel.org/stable/c/91a340768b012f5b910a203a805b97a345b3db37
- https://git.kernel.org/stable/c/46c8ddede0273d1d132beefa9de8b820326982be
- https://git.kernel.org/stable/c/2133c4fc8e1348dcb752f267a143fe2254613b34
Scores
| Version | Score | Vecteur | Évalué par |
|---|---|---|---|
| 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) |
Références européennes
- ENISA EUVD · EUVD-2021-34450
- GCVE · GCVE-0-2021-47445
Avis du CERT-FR
- CERTFR-2024-AVI-0610 — Multiples vulnérabilités dans le noyau Linux de SUSE · cert.ssi.gouv.fr
- CERTFR-2024-AVI-0578 — Multiples vulnérabilités dans le noyau Linux de SUSE · cert.ssi.gouv.fr
- CERTFR-2024-AVI-0526 — Multiples vulnérabilités dans le noyau Linux de SUSE · cert.ssi.gouv.fr
- CERTFR-2024-AVI-0496 — Multiples vulnérabilités dans le noyau Linux de SUSE · cert.ssi.gouv.fr
Configurations affectées (CPE NVD)
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*≥ 4.0 < 4.4.290cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*≥ 4.5 < 4.9.288cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*≥ 4.10 < 4.14.252cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*≥ 4.15 < 4.19.213cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*≥ 4.20 < 5.4.155cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*≥ 5.5 < 5.10.75cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*≥ 5.11 < 5.14.14cpe:2.3:o:linux:linux_kernel:5.15:rc1:*:*:*:*:*:*cpe:2.3:o:linux:linux_kernel:5.15:rc2:*:*:*:*:*:*cpe:2.3:o:linux:linux_kernel:5.15:rc3:*:*:*:*:*:*cpe:2.3:o:linux:linux_kernel:5.15:rc4:*:*:*:*:*:*cpe:2.3:o:linux:linux_kernel:5.15:rc5:*:*:*:*:*:*
Produits affectés
| Produit | Versions |
|---|---|
| Linux · Linux | affected ab5b0107ccf3821a6837b0f2819270d6fa0b278f < f175b9a83e5c252d7c74acddc792840016caae0a ; affected ab5b0107ccf3821a6837b0f2819270d6fa0b278f < bacac7d26849c8e903ceb7466d9ce8dc3c2797eb ; affected ab5b0107ccf3821a6837b0f2819270d6fa0b278f < 0cd063aa0a09822cc1620fc59a67fe2f9f6338ac ; affected ab5b0107ccf3821a6837b0f2819270d6fa0b278f < 7f642b93710b6b1119bdff90be01e6b5a2a5d669 ; affected ab5b0107ccf3821a6837b0f2819270d6fa0b278f < f302be08e3de94db8863a0b2958b2bb3e8e998e6 ; affected ab5b0107ccf3821a6837b0f2819270d6fa0b278f < 91a340768b012f5b910a203a805b97a345b3db37 |
| Linux · Linux | affected 4.0 ; unaffected 0 < 4.0 ; unaffected 4.4.290 ≤ 4.4.* ; unaffected 4.9.288 ≤ 4.9.* ; unaffected 4.14.252 ≤ 4.14.* ; unaffected 4.19.213 ≤ 4.19.* |
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 |