sound: ua101: fix division by zero at probe
Summary
| CVE | CVE-2026-46184 |
|---|---|
| State | PUBLISHED |
| Assigner | Linux |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2026-05-28 10:16:34 UTC |
| Updated | 2026-06-01 17:17:30 UTC |
| Description | In the Linux kernel, the following vulnerability has been resolved: sound: ua101: fix division by zero at probe Add a missing sanity check for bNrChannels in detect_usb_format() to prevent a division by zero in playback_urb_complete() and capture_urb_complete(). USB core does not validate class-specific descriptor fields such as bNrChannels, so drivers must verify them before use. If a device provides bNrChannels = 0, frame_bytes becomes zero and is later used as a divisor in the URB completion handlers, leading to a kernel crash. |
Risk And Classification
EPSS: 0.000320000 probability, percentile 0.097210000 (date 2026-06-03)
Vendor Declared Affected Products
| Source | Vendor | Product | Version | Platforms |
|---|---|---|---|---|
| CNA | Linux | Linux | affected 63978ab3e3e963db28093b53bb4598f2702e1ad7 e02897c5b041c9b980055fa9a6167023d6dc5caf git | Not specified |
| CNA | Linux | Linux | affected 63978ab3e3e963db28093b53bb4598f2702e1ad7 aae1498c59f48d03ee358df84f07a5af9885f827 git | Not specified |
| CNA | Linux | Linux | affected 63978ab3e3e963db28093b53bb4598f2702e1ad7 66d9c2ed081f299cfb201d9e9c4faf920e56e0bf git | Not specified |
| CNA | Linux | Linux | affected 63978ab3e3e963db28093b53bb4598f2702e1ad7 6162e8212e88c39492d981b248b5e37002486c66 git | Not specified |
| CNA | Linux | Linux | affected 63978ab3e3e963db28093b53bb4598f2702e1ad7 593dd7e6c890d8e4ca21b3e2f796b7cb8e8da983 git | Not specified |
| CNA | Linux | Linux | affected 63978ab3e3e963db28093b53bb4598f2702e1ad7 0ff2b713f406e9ecadb406014d74e7a020ac12b1 git | Not specified |
| CNA | Linux | Linux | affected 63978ab3e3e963db28093b53bb4598f2702e1ad7 f1862dbf09080254c52175a448290c784dd7d3de git | Not specified |
| CNA | Linux | Linux | affected 63978ab3e3e963db28093b53bb4598f2702e1ad7 d1f73f169c1014463b5060e3f60813e13ddc7b87 git | Not specified |
| CNA | Linux | Linux | affected 2.6.34 | Not specified |
| CNA | Linux | Linux | unaffected 2.6.34 semver | Not specified |
| CNA | Linux | Linux | unaffected 5.10.258 5.10.* semver | Not specified |
| CNA | Linux | Linux | unaffected 5.15.209 5.15.* semver | Not specified |
| CNA | Linux | Linux | unaffected 6.1.175 6.1.* semver | Not specified |
| CNA | Linux | Linux | unaffected 6.6.140 6.6.* semver | Not specified |
| CNA | Linux | Linux | unaffected 6.12.88 6.12.* semver | Not specified |
| CNA | Linux | Linux | unaffected 6.18.30 6.18.* semver | Not specified |
| CNA | Linux | Linux | unaffected 7.0.7 7.0.* semver | Not specified |
| CNA | Linux | Linux | unaffected 7.1-rc2 * original_commit_for_fix | Not specified |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| git.kernel.org/stable/c/593dd7e6c890d8e4ca21b3e2f796b7cb8e8da983 | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | |
| git.kernel.org/stable/c/6162e8212e88c39492d981b248b5e37002486c66 | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | |
| git.kernel.org/stable/c/0ff2b713f406e9ecadb406014d74e7a020ac12b1 | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | |
| git.kernel.org/stable/c/66d9c2ed081f299cfb201d9e9c4faf920e56e0bf | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | |
| git.kernel.org/stable/c/d1f73f169c1014463b5060e3f60813e13ddc7b87 | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | |
| git.kernel.org/stable/c/aae1498c59f48d03ee358df84f07a5af9885f827 | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | |
| git.kernel.org/stable/c/e02897c5b041c9b980055fa9a6167023d6dc5caf | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | |
| git.kernel.org/stable/c/f1862dbf09080254c52175a448290c784dd7d3de | 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.