CVE-2026-46184 sound: ua101: fix division by zero at probe

🗓️ 28 May 2026 09:36:38Reported by LinuxType

Fix division by zero in sound ua101 by validating bNrChannels in detect_usb_format.

Reporter	Title	Published	Views	Family All 32
ATTACKERKB	CVE-2026-46184	28 May 202609:36	–	attackerkb
CNNVD	Linux kernel 安全漏洞	28 May 202600:00	–	cnnvd
CVE	CVE-2026-46184	28 May 202609:36	–	cve
Debian CVE	CVE-2026-46184	28 May 202609:36	–	debiancve
EUVD	EUVD-2026-32811	28 May 202609:36	–	euvd
NVD	CVE-2026-46184	28 May 202610:16	–	nvd
OSV	BELL-CVE-2026-46184	29 May 202606:09	–	osv
OSV	DEBIAN-CVE-2026-46184	28 May 202610:16	–	osv
OSV	ECHO-4E59-114A-FA1D	28 May 202623:19	–	osv
OSV	OESA-2026-2674 kernel security update	12 Jun 202612:27	–	osv

[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "sound/usb/misc/ua101.c"
    ],
    "versions": [
      {
        "version": "63978ab3e3e963db28093b53bb4598f2702e1ad7",
        "lessThan": "e02897c5b041c9b980055fa9a6167023d6dc5caf",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "63978ab3e3e963db28093b53bb4598f2702e1ad7",
        "lessThan": "aae1498c59f48d03ee358df84f07a5af9885f827",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "63978ab3e3e963db28093b53bb4598f2702e1ad7",
        "lessThan": "66d9c2ed081f299cfb201d9e9c4faf920e56e0bf",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "63978ab3e3e963db28093b53bb4598f2702e1ad7",
        "lessThan": "6162e8212e88c39492d981b248b5e37002486c66",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "63978ab3e3e963db28093b53bb4598f2702e1ad7",
        "lessThan": "593dd7e6c890d8e4ca21b3e2f796b7cb8e8da983",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "63978ab3e3e963db28093b53bb4598f2702e1ad7",
        "lessThan": "0ff2b713f406e9ecadb406014d74e7a020ac12b1",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "63978ab3e3e963db28093b53bb4598f2702e1ad7",
        "lessThan": "f1862dbf09080254c52175a448290c784dd7d3de",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "63978ab3e3e963db28093b53bb4598f2702e1ad7",
        "lessThan": "d1f73f169c1014463b5060e3f60813e13ddc7b87",
        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "sound/usb/misc/ua101.c"
    ],
    "versions": [
      {
        "version": "2.6.34",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "2.6.34",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.10.258",
        "lessThanOrEqual": "5.10.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.15.209",
        "lessThanOrEqual": "5.15.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.1.175",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.140",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.88",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.30",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.0.7",
        "lessThanOrEqual": "7.0.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.1",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

Source	Link
git	www.git.kernel.org/stable/c/d1f73f169c1014463b5060e3f60813e13ddc7b87
git	www.git.kernel.org/stable/c/6162e8212e88c39492d981b248b5e37002486c66
git	www.git.kernel.org/stable/c/593dd7e6c890d8e4ca21b3e2f796b7cb8e8da983
git	www.git.kernel.org/stable/c/aae1498c59f48d03ee358df84f07a5af9885f827
git	www.git.kernel.org/stable/c/0ff2b713f406e9ecadb406014d74e7a020ac12b1
git	www.git.kernel.org/stable/c/e02897c5b041c9b980055fa9a6167023d6dc5caf
git	www.git.kernel.org/stable/c/66d9c2ed081f299cfb201d9e9c4faf920e56e0bf
git	www.git.kernel.org/stable/c/f1862dbf09080254c52175a448290c784dd7d3de

14 Jun 2026 18:00Current

EPSS0.00128