CVE-2026-46123

🗓️ 28 May 2026 09:35:38Reported by LinuxType

Linux kernel fix: clamp RX length in Bluetooth virtio_bt before skb_put to avoid uninitialized read.

Reporter	Title	Published	Views	Family All 178
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
CNNVD	Linux kernel 安全漏洞	28 May 202600:00	–	cnnvd
Cvelist	CVE-2026-46123 Bluetooth: virtio_bt: clamp rx length before skb_put	28 May 202609:35	–	cvelist
Debian CVE	CVE-2026-46123	28 May 202609:35	–	debiancve
EUVD	EUVD-2026-32882	28 May 202609:35	–	euvd
Microsoft CVE	Bluetooth: virtio_bt: clamp rx length before skb_put	29 May 202608:06	–	mscve
NVD	CVE-2026-46123	28 May 202610:16	–	nvd
OSV	BELL-CVE-2026-46123	29 May 202606:09	–	osv

NVD

Vulners

CNA

Node

linux linux_kernelRange5.15.78–5.15.209

linux linux_kernelRange6.0.8–6.1

linux linux_kernelRange6.1.1–6.1.175

linux linux_kernelRange6.2–6.6.140

linux linux_kernelRange6.7–6.12.88

linux linux_kernelRange6.13–6.18.30

linux linux_kernelRange6.19–7.0.7

linux linux_kernelMatch6.1-

linux linux_kernelMatch6.1rc4

linux linux_kernelMatch6.1rc5

linux linux_kernelMatch6.1rc6

linux linux_kernelMatch6.1rc7

linux linux_kernelMatch6.1rc8

linux linux_kernelMatch7.1rc1

linux linux_kernelMatch7.1rc2

[
  {
    "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"
      }
    ]
  }
]

Source	Link
git	www.git.kernel.org/stable/c/ed41c81d30b211a671667259c3b5feeba0e062d5
git	www.git.kernel.org/stable/c/b40cdd1b1370d76e9e760af4490cb4a351cceead
git	www.git.kernel.org/stable/c/21bd244b6de5d2fe1063c23acc93fbdd2b20d112
git	www.git.kernel.org/stable/c/6c1730099a6fc18b183bd6c1adad3b54adcaeda9
git	www.git.kernel.org/stable/c/e6b4296f170d949ebba937cf6a3f247ec9550d2c
git	www.git.kernel.org/stable/c/fd91fa2678ab603dfb285416c1cf3843d7be1e41
git	www.git.kernel.org/stable/c/4236e55b2d9d1ffd3b4bdf8ebbb86e5a0a526b4a

24 Jun 2026 16:51Current

5.9Medium risk

Vulners AI Score5.9

CVSS 3.17.7

EPSS0.00144

CWE-787