CVE-2026-46234

🗓️ 28 May 2026 09:40:58Reported by LinuxType

Fix vsock update: clamp minimum before maximum to prevent buffer_size exceeding buffer_max_size.

Reporter	Title	Published	Views	Family All 36
ATTACKERKB	CVE-2026-46234	28 May 202609:40	–	attackerkb
Tenable Nessus	Amazon Linux 2023 : bpftool6.12, kernel6.12, kernel6.12-devel (ALAS2023-2026-1816)	8 Jun 202600:00	–	nessus
Tenable Nessus	Photon OS 4.0: Linux PHSA-2026-4.0-1028	5 Jun 202600:00	–	nessus
Tenable Nessus	Linux Distros Unpatched Vulnerability : CVE-2026-46234	29 May 202600:00	–	nessus
Amazon	Important: kernel6.12	8 Jun 202600:00	–	amazon
CNNVD	Linux kernel 安全漏洞	28 May 202600:00	–	cnnvd
Cvelist	CVE-2026-46234 vsock: fix buffer size clamping order	28 May 202609:40	–	cvelist
Debian CVE	CVE-2026-46234	28 May 202609:40	–	debiancve
EUVD	EUVD-2026-32752	28 May 202609:40	–	euvd
Microsoft CVE	vsock: fix buffer size clamping order	29 May 202608:05	–	mscve

NVD

Vulners

CNA

Node

linux linux_kernelRange5.5–5.10.258

linux linux_kernelRange5.11–5.15.209

linux linux_kernelRange5.16–6.1.175

linux linux_kernelRange6.2–6.6.140

linux linux_kernelRange6.7–6.12.90

linux linux_kernelRange6.13–6.18.32

linux linux_kernelRange6.19–7.0.9

[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "net/vmw_vsock/af_vsock.c"
    ],
    "versions": [
      {
        "version": "b9f2b0ffde0c9b666b2b1672eb468b8f805a9b97",
        "lessThan": "f6ec135941d2c1c2dbb87b5ce1783f4f6ac6ccca",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "b9f2b0ffde0c9b666b2b1672eb468b8f805a9b97",
        "lessThan": "caf11dfea5233a69298a1c448bbf8d1639c80536",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "b9f2b0ffde0c9b666b2b1672eb468b8f805a9b97",
        "lessThan": "01ef69785dc3162f588a361ab770b1e312800188",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "b9f2b0ffde0c9b666b2b1672eb468b8f805a9b97",
        "lessThan": "a998a7e250bf976539e05a00ec64a81292afecaa",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "b9f2b0ffde0c9b666b2b1672eb468b8f805a9b97",
        "lessThan": "310da27932dd0afe7ce7456dfe1f0814c3301f41",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "b9f2b0ffde0c9b666b2b1672eb468b8f805a9b97",
        "lessThan": "2602f7bb5818e92315feeaeb71d8ce4d5c9ab160",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "b9f2b0ffde0c9b666b2b1672eb468b8f805a9b97",
        "lessThan": "0b68881501460c3761f196469e1e503218c5e536",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "b9f2b0ffde0c9b666b2b1672eb468b8f805a9b97",
        "lessThan": "d114bfdc9b76bf93b881e195b7ec957c14227bab",
        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "net/vmw_vsock/af_vsock.c"
    ],
    "versions": [
      {
        "version": "5.5",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "5.5",
        "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": "6.12.90",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.32",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.0.9",
        "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/a998a7e250bf976539e05a00ec64a81292afecaa
git	www.git.kernel.org/stable/c/310da27932dd0afe7ce7456dfe1f0814c3301f41
git	www.git.kernel.org/stable/c/caf11dfea5233a69298a1c448bbf8d1639c80536
git	www.git.kernel.org/stable/c/0b68881501460c3761f196469e1e503218c5e536
git	www.git.kernel.org/stable/c/2602f7bb5818e92315feeaeb71d8ce4d5c9ab160
git	www.git.kernel.org/stable/c/f6ec135941d2c1c2dbb87b5ce1783f4f6ac6ccca
git	www.git.kernel.org/stable/c/01ef69785dc3162f588a361ab770b1e312800188
git	www.git.kernel.org/stable/c/d114bfdc9b76bf93b881e195b7ec957c14227bab

17 Jun 2026 10:53Current

5.9Medium risk

Vulners AI Score5.9

CVSS 3.17.8

EPSS0.00129

CWE-787