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CVE-2026-46123 Bluetooth: virtio_bt: clamp rx length before skb_put

🗓️ 28 May 2026 09:35:38Reported by LinuxType 
cvelist
 cvelist🔗 www.cve.org👁 33 Views

Linux kernel fix for Bluetooth virtio_bt to clamp rx length to buffer size and reject zero length.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB		CVE-2026-46123
28 May 202609:35
–attackerkb
AstraLinux		Astra Linux – Vulnerability in Linux 5.10
19 Jun 202611:10
–astralinux
CBLMariner		CVE-2026-46123 affecting package kernel for versions less than 6.6.141.1-1
22 Jun 202621:21
–cbl_mariner
Circl		CVE-2026-46123
2 Jul 202607:17
–circl
CNNVD		Linux kernel 安全漏洞
28 May 202600:00
–cnnvd
CVE		CVE-2026-46123
28 May 202609:35
–cve
Debian		[SECURITY] [DLA 4665-1] linux security update
3 Jul 202618:38
–debian
Debian CVE		CVE-2026-46123
28 May 202609:35
–debiancve
Tenable Nessus		Debian dla-4665 : affs-modules-6.1.0-48-4kc-malta-di - security update
3 Jul 202600:00
–nessus
Tenable Nessus		Photon OS 5.0: Linux PHSA-2026-5.0-0862
6 Jun 202600:00
–nessus
Rows per page
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/bluetooth/virtio_bt.c"
    ],
    "versions": [
      {
        "version": "cf2719a21fdb9d4c8e9c834d279163609bef575d",
        "lessThan": "4236e55b2d9d1ffd3b4bdf8ebbb86e5a0a526b4a",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "160fbcf3bfb93c3c086427f9f4c8bc70f217e9be",
        "lessThan": "fd91fa2678ab603dfb285416c1cf3843d7be1e41",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "160fbcf3bfb93c3c086427f9f4c8bc70f217e9be",
        "lessThan": "ed41c81d30b211a671667259c3b5feeba0e062d5",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "160fbcf3bfb93c3c086427f9f4c8bc70f217e9be",
        "lessThan": "6c1730099a6fc18b183bd6c1adad3b54adcaeda9",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "160fbcf3bfb93c3c086427f9f4c8bc70f217e9be",
        "lessThan": "b40cdd1b1370d76e9e760af4490cb4a351cceead",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "160fbcf3bfb93c3c086427f9f4c8bc70f217e9be",
        "lessThan": "e6b4296f170d949ebba937cf6a3f247ec9550d2c",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "160fbcf3bfb93c3c086427f9f4c8bc70f217e9be",
        "lessThan": "21bd244b6de5d2fe1063c23acc93fbdd2b20d112",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "9b67438e315b925a699f0178f4a48baf3d2d6ef4",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "5.15.78",
        "lessThan": "5.15.209",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "6.0.8",
        "lessThan": "6.1",
        "status": "affected",
        "versionType": "semver"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/bluetooth/virtio_bt.c"
    ],
    "versions": [
      {
        "version": "6.1",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "6.1",
        "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"
      }
    ]
  }
]

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14 Jun 2026 17:56Current
CVSS 3.17.7
EPSS0.00142
linux kernelbluetooth virtiorx length clampbuffer sizeuninitialized memoryzero length rejection
33