can: vxcan: vxcan_xmit: fix use after free bug (Linux Linux)
En bref
- Source
- NVD
- EPSS
- EPSS 0.19 % · centile 9 ()
- État
- PUBLISHED
- Publiée
- Mise à jour
- Attribuée par
- Linux
- Statut NVD
- Analyzed
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Description
In the Linux kernel, the following vulnerability has been resolved: can: vxcan: vxcan_xmit: fix use after free bug After calling netif_rx_ni(skb), dereferencing skb is unsafe. Especially, the canfd_frame cfd which aliases skb memory is accessed after the netif_rx_ni().
Faiblesses (CWE)
- CWE-416 — Utilisation après libération
Références
- https://git.kernel.org/stable/c/6d6dcf2399cdd26f7f5426ca8dd8366b7f2ca105
- https://git.kernel.org/stable/c/9b820875a32a3443d67bfd368e93038354e98052
- https://git.kernel.org/stable/c/a24476b37167816e6352ca1a2cf3769847774f70
- https://git.kernel.org/stable/c/e771a874076115df8bff27d325edfd2340e4ec69
- https://git.kernel.org/stable/c/75854cad5d80976f6ea0f0431f8cedd3bcc475cb
Scores
| Version | Score | Vecteur | Évalué par |
|---|---|---|---|
| CVSS 3.1 | HIGH 7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H | Linux |
| CVSS 3.1 | HIGH 7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H | CISA-ADP |
| CVSS 3.1 | HIGH 7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H | NVD · 134c704f-9b21-4f2e-91b3-4a467353bcc0 (Secondary) |
Références européennes
- ENISA EUVD · EUVD-2021-34678
- GCVE · GCVE-0-2021-47669
Avis du CERT-FR
- CERTFR-2025-AVI-0449 — Multiples vulnérabilités dans le noyau Linux de SUSE · cert.ssi.gouv.fr
Configurations affectées (CPE NVD)
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*≥ 4.12 < 4.14.218cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*≥ 4.15 < 4.19.171cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*≥ 4.20 < 5.4.93cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*≥ 5.5 < 5.10.11cpe:2.3:o:linux:linux_kernel:5.11:rc1:*:*:*:*:*:*cpe:2.3:o:linux:linux_kernel:5.11:rc2:*:*:*:*:*:*cpe:2.3:o:linux:linux_kernel:5.11:rc3:*:*:*:*:*:*cpe:2.3:o:linux:linux_kernel:5.11:rc4:*:*:*:*:*:*
Produits affectés
| Produit | Versions |
|---|---|
| Linux · Linux | affected a8f820a380a2a06fc4fe1a54159067958f800929 < 6d6dcf2399cdd26f7f5426ca8dd8366b7f2ca105 ; affected a8f820a380a2a06fc4fe1a54159067958f800929 < 9b820875a32a3443d67bfd368e93038354e98052 ; affected a8f820a380a2a06fc4fe1a54159067958f800929 < a24476b37167816e6352ca1a2cf3769847774f70 ; affected a8f820a380a2a06fc4fe1a54159067958f800929 < e771a874076115df8bff27d325edfd2340e4ec69 ; affected a8f820a380a2a06fc4fe1a54159067958f800929 < 75854cad5d80976f6ea0f0431f8cedd3bcc475cb |
| Linux · Linux | affected 4.12 ; unaffected 0 < 4.12 ; unaffected 4.14.218 ≤ 4.14.* ; unaffected 4.19.171 ≤ 4.19.* ; unaffected 5.4.93 ≤ 5.4.* ; unaffected 5.10.11 ≤ 5.10.* |
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 |