5.5

CVE-2026-46184: linux Divide By Zero

CVSS: 5.5v3.1MediumAnalyzed
AliasesUBUNTU-CVE-2026-46184DEBIAN-CVE-2026-46184
Published 28-05-2026Last modified 14-06-2026
Open JSON

Vulnerability summary

CVE-2026-46184 is a medium (CVSS 5.5) Divide By Zero vulnerability in linux. EPSS estimates a 0.16% chance of exploitation in the next 30 days, higher than 5.1% of scored vulnerabilities.

Overall risk
22/100
0100
Low · default modelHow is this calculated?
CVSS score
5.5/10
010
Medium · v3.1 (NVD)
EPSS score
0.16%
0%100%
Low · +0.03 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 52 · Related 52
OPENSUSE-SU-2026:10954-1OPENSUSE-SU-2026:21555-1SUSE-SU-2026:23066-1SUSE-SU-2026:23068-1SUSE-SU-2026:23193-1SUSE-SU-2026:23194-1

Timeline

  1. 28-05-2026
    PublishedVulnerability first disclosed.
  2. 14-06-2026
    Last modifiedVulnerability information updated.

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.

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

0.16%

Chance of exploitation in the next 30 days

Percentile

5%

Versus all other CVEs

30-day change

+0.03 pp

From 0.13% on 21-09-2026

21-09-202621-10-2026
EPSS score
0.16%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Ubuntu166 products
  • linuxAll versions (No fix recorded) | < 5.15.0-186.196 | < 6.8.0-136.136 | < 7.0.0-28.28
  • linux-allwinner-5.19All versions (No fix recorded)
  • linux-awsAll versions (No fix recorded) | < 5.15.0-1112.119 | < 6.8.0-1061.64 | < 7.0.0-1009.9
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
Linux2 products
  • linux≥ 63978ab3e3e963db28093b53bb4598f2702e1ad7, < e02897c5b041c9b980055fa9a6167023d6dc5caf | ≥ 63978ab3e3e963db28093b53bb4598f2702e1ad7, < aae1498c59f48d03ee358df84f07a5af9885f827 | ≥ 63978ab3e3e963db28093b53bb4598f2702e1ad7, < 66d9c2ed081f299cfb201d9e9c4faf920e56e0bf | ≥ 63978ab3e3e963db28093b53bb4598f2702e1ad7, < 6162e8212e88c39492d981b248b5e37002486c66 | ≥ 63978ab3e3e963db28093b53bb4598f2702e1ad7, < 593dd7e6c890d8e4ca21b3e2f796b7cb8e8da983 | ≥ 63978ab3e3e963db28093b53bb4598f2702e1ad7, < 0ff2b713f406e9ecadb406014d74e7a020ac12b1 | ≥ 63978ab3e3e963db28093b53bb4598f2702e1ad7, < f1862dbf09080254c52175a448290c784dd7d3de | ≥ 63978ab3e3e963db28093b53bb4598f2702e1ad7, < d1f73f169c1014463b5060e3f60813e13ddc7b87 | 2.6.34
  • linux_kernel≥ 2.6.34, < 5.10.258 | ≥ 5.11, < 5.15.209 | ≥ 5.16, < 6.1.175 | ≥ 6.2, < 6.6.140 | ≥ 6.7, < 6.12.88 | ≥ 6.13, < 6.18.30 | ≥ 6.19, < 7.0.7 | 7.1:rc1
Debian1 product
  • linux< 6.1.176-1 | < 6.12.88-1 | < 7.0.7-1

3 vendors · 169 products

References

50 links
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