greybus: audio: bound the topology section sizes against the fetched size
Summary
| CVE | CVE-2026-93280 |
|---|---|
| State | PUBLISHED |
| Assigner | Linux |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2026-09-24 16:17:25 UTC |
| Updated | 2026-09-25 05:17:01 UTC |
| Description | In the Linux kernel, the following vulnerability has been resolved: greybus: audio: bound the topology section sizes against the fetched size gb_audio_gb_get_topology() fetches a topology blob of a module-supplied size, and gbaudio_tplg_parse_data() then walks it by adding the module-supplied size_dais, size_controls and size_widgets fields to form the control, widget and route section offsets. Those le32 sizes are never checked against the fetched blob, so a module reporting a small topology size but large section sizes makes the offsets point past the allocation, and parsing reads out of bounds. Reject a topology whose section sizes do not fit within the fetched size before it is parsed. |
Risk And Classification
Primary CVSS: v3.1 8.8 HIGH from 416baaa9-dc9f-4396-8d5f-8c081fb06d67
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
| Version | Source | Type | Score | Severity | Vector |
|---|---|---|---|---|---|
| 3.1 | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | Secondary | 8.8 | HIGH | CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| 3.1 | CNA | DECLARED | 8.8 | HIGH | CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
CVSS v3.1 Breakdown
Attack Vector
AdjacentAttack Complexity
LowPrivileges Required
NoneUser Interaction
NoneScope
UnchangedConfidentiality
HighIntegrity
HighAvailability
HighCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Vendor Declared Affected Products
| Source | Vendor | Product | Version | Platforms |
|---|---|---|---|---|
| CNA | Linux | Linux | affected 184992e305f1de3a3d5fa446da3a2bc76be7c54a ba86de9f7b0d7903d2df5ea2373e34d8ca3fc43e git | Not specified |
| CNA | Linux | Linux | affected 184992e305f1de3a3d5fa446da3a2bc76be7c54a dd5593aee0a0fb353e1164aff7b65e563fe1f232 git | Not specified |
| CNA | Linux | Linux | affected 184992e305f1de3a3d5fa446da3a2bc76be7c54a 6f764363b3173d805be11e59a8f23ecee2d420d5 git | Not specified |
| CNA | Linux | Linux | affected 184992e305f1de3a3d5fa446da3a2bc76be7c54a 52daf9de692ebac813d110eb1e677dc0e1f4a5ab git | Not specified |
| CNA | Linux | Linux | affected 184992e305f1de3a3d5fa446da3a2bc76be7c54a d0f6eaba60705bacd9bb4ce48eab50ef3f546777 git | Not specified |
| CNA | Linux | Linux | affected 184992e305f1de3a3d5fa446da3a2bc76be7c54a c9191f2e2f35f1209eb2dc24b31129dd47b48c16 git | Not specified |
| CNA | Linux | Linux | affected 184992e305f1de3a3d5fa446da3a2bc76be7c54a cfcc5a41a9664eb68023aae4cd0d485b256bd7c7 git | Not specified |
| CNA | Linux | Linux | affected 184992e305f1de3a3d5fa446da3a2bc76be7c54a 33d8c7b794d2a30637c9d3fcb478f1d3222bef1e git | Not specified |
| CNA | Linux | Linux | affected 4.9 | Not specified |
| CNA | Linux | Linux | unaffected 4.9 semver | Not specified |
| CNA | Linux | Linux | unaffected 5.10.270 5.10.* semver | Not specified |
| CNA | Linux | Linux | unaffected 5.15.221 5.15.* semver | Not specified |
| CNA | Linux | Linux | unaffected 6.1.188 6.1.* semver | Not specified |
| CNA | Linux | Linux | unaffected 6.6.157 6.6.* semver | Not specified |
| CNA | Linux | Linux | unaffected 6.12.110 6.12.* semver | Not specified |
| CNA | Linux | Linux | unaffected 6.18.52 6.18.* semver | Not specified |
| CNA | Linux | Linux | unaffected 7.2.6 7.2.* semver | Not specified |
| CNA | Linux | Linux | unaffected 7.3-rc1 * original_commit_for_fix | Not specified |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| git.kernel.org/stable/c/dd5593aee0a0fb353e1164aff7b65e563fe1f232 | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | |
| git.kernel.org/stable/c/c9191f2e2f35f1209eb2dc24b31129dd47b48c16 | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | |
| git.kernel.org/stable/c/6f764363b3173d805be11e59a8f23ecee2d420d5 | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | |
| git.kernel.org/stable/c/d0f6eaba60705bacd9bb4ce48eab50ef3f546777 | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | |
| git.kernel.org/stable/c/52daf9de692ebac813d110eb1e677dc0e1f4a5ab | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | |
| git.kernel.org/stable/c/33d8c7b794d2a30637c9d3fcb478f1d3222bef1e | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | |
| git.kernel.org/stable/c/cfcc5a41a9664eb68023aae4cd0d485b256bd7c7 | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | |
| git.kernel.org/stable/c/ba86de9f7b0d7903d2df5ea2373e34d8ca3fc43e | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
No vendor comments have been submitted for this CVE.
There are currently no legacy QID mappings associated with this CVE.