dma-buf/sync_file: Don't leak fences on merge failure (Linux Linux)
En bref
- Source
- NVD
- EPSS
- EPSS 0.24 % · centile 15 ()
- État
- PUBLISHED
- Publiée
- Mise à jour
- Attribuée par
- Linux
- Statut NVD
- Analyzed
Description
In the Linux kernel, the following vulnerability has been resolved: dma-buf/sync_file: Don't leak fences on merge failure Each add_fence() call does a dma_fence_get() on the relevant fence. In the error path, we weren't calling dma_fence_put() so all those fences got leaked. Also, in the krealloc_array failure case, we weren't freeing the fences array. Instead, ensure that i and fences are always zero-initialized and dma_fence_put() all the fences and kfree(fences) on every error path.
Faiblesses (CWE)
- CWE-617 — Assertion atteignable
Références
- https://git.kernel.org/stable/c/19f51c2529339280d2c8c6427cd3e21ddf1ac3f8
- https://git.kernel.org/stable/c/e0355a0ad31a1d677b2a4514206de4902bd550e8
- https://git.kernel.org/stable/c/41f45e91c92c8480242ea448d54e28c753b13902
- https://git.kernel.org/stable/c/0d514185ae792d3a1903c8e1a83899aa996705ce
- https://git.kernel.org/stable/c/19edcd97727aae9362444a859a24d99a8730cb27
- https://git.kernel.org/stable/c/ffe000217c5068c5da07ccb1c0f8cce7ad767435
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-2021-34310
- GCVE · GCVE-0-2021-47305
Avis du CERT-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:*:*:*:*:*:*:*:*≥ 4.9 < 4.14.241cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*≥ 4.15 < 4.19.199cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*≥ 4.20 < 5.4.135cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*≥ 5.5 < 5.10.53cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*≥ 5.11 < 5.13.5cpe:2.3:o:linux:linux_kernel:5.14:rc1:*:*:*:*:*:*
Produits affectés
| Produit | Versions |
|---|---|
| Linux · Linux | affected a02b9dc90d844cc7df7b63264e7920cc425052d9 < 19f51c2529339280d2c8c6427cd3e21ddf1ac3f8 ; affected a02b9dc90d844cc7df7b63264e7920cc425052d9 < e0355a0ad31a1d677b2a4514206de4902bd550e8 ; affected a02b9dc90d844cc7df7b63264e7920cc425052d9 < 41f45e91c92c8480242ea448d54e28c753b13902 ; affected a02b9dc90d844cc7df7b63264e7920cc425052d9 < 0d514185ae792d3a1903c8e1a83899aa996705ce ; affected a02b9dc90d844cc7df7b63264e7920cc425052d9 < 19edcd97727aae9362444a859a24d99a8730cb27 ; affected a02b9dc90d844cc7df7b63264e7920cc425052d9 < ffe000217c5068c5da07ccb1c0f8cce7ad767435 |
| Linux · Linux | affected 4.9 ; unaffected 0 < 4.9 ; unaffected 4.14.241 ≤ 4.14.* ; unaffected 4.19.199 ≤ 4.19.* ; unaffected 5.4.135 ≤ 5.4.* ; unaffected 5.10.53 ≤ 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 |