ALSA: gus: fix null pointer dereference on pointer block (Linux Linux)
At a glance
- Source
- NVD
- EPSS
- EPSS 0.23 % · percentile 13 ()
- State
- PUBLISHED
- Published
- Updated
- Assigner
- Linux
- NVD status
- Analyzed
Description
In the Linux kernel, the following vulnerability has been resolved: ALSA: gus: fix null pointer dereference on pointer block The pointer block return from snd_gf1_dma_next_block could be null, so there is a potential null pointer dereference issue. Fix this by adding a null check before dereference.
Weaknesses (CWE)
- CWE-476 — NULL Pointer Dereference
References
- https://git.kernel.org/stable/c/3e28e083dcdf03a18a083f8a47b6bb6b1604b5be
- https://git.kernel.org/stable/c/cb09c760c201f82df83babc92a5ffea0a01807fc
- https://git.kernel.org/stable/c/542fa721594a02d2aee0370a764d306ef48d030c
- https://git.kernel.org/stable/c/ab4c1ebc40f699f48346f634d7b72b9c5193f315
- https://git.kernel.org/stable/c/c6d2cefdd05c4810c416fb8d384b5c377bd977bc
- https://git.kernel.org/stable/c/1ac6cd87d8ddd36c43620f82c4d65b058f725f0f
- https://git.kernel.org/stable/c/16721797dcef2c7c030ffe73a07f39a65f9323c3
- https://git.kernel.org/stable/c/a0d21bb3279476c777434c40d969ea88ca64f9aa
Scores
| Version | Score | Vector | Scored by |
|---|---|---|---|
| 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) |
European references
- ENISA EUVD · EUVD-2021-33855
- GCVE · GCVE-0-2021-47207
CERT-FR advisories
- CERTFR-2024-AVI-0458 — Multiples vulnérabilités dans le noyau Linux de SUSE · cert.ssi.gouv.fr
- CERTFR-2024-AVI-0440 — Multiples vulnérabilités dans le noyau Linux de SUSE · cert.ssi.gouv.fr
- CERTFR-2024-AVI-0420 — Multiples vulnérabilités dans le noyau Linux de SUSE · cert.ssi.gouv.fr
Affected configurations (NVD CPE)
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*< 4.4.293cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*≥ 4.5 < 4.9.291cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*≥ 4.10 < 4.14.256cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*≥ 4.15 < 4.19.218cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*≥ 4.20 < 5.4.162cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*≥ 5.5 < 5.10.82cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*≥ 5.11 < 5.15.5
Affected products
| Product | Versions |
|---|---|
| Linux · Linux | affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 3e28e083dcdf03a18a083f8a47b6bb6b1604b5be ; affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < cb09c760c201f82df83babc92a5ffea0a01807fc ; affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 542fa721594a02d2aee0370a764d306ef48d030c ; affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < ab4c1ebc40f699f48346f634d7b72b9c5193f315 ; affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < c6d2cefdd05c4810c416fb8d384b5c377bd977bc ; affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 1ac6cd87d8ddd36c43620f82c4d65b058f725f0f |
| Linux · Linux | affected 2.6.12 ; unaffected 0 < 2.6.12 ; unaffected 4.4.293 ≤ 4.4.* ; unaffected 4.9.291 ≤ 4.9.* ; unaffected 4.14.256 ≤ 4.14.* ; unaffected 4.19.218 ≤ 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 |