CVE-2026-43241

🗓️ 06 May 2026 11:28:34Reported by LinuxType

Fix out-of-bounds in ntb_hw_switchtec by guarding memory window LUT index and reporting invalid configuration.

Reporter	Title	Published	Views	Family All 48
ATTACKERKB	CVE-2026-43241	6 May 202611:28	–	attackerkb
AstraLinux	Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12	24 Jun 202615:11	–	astralinux
Circl	CVE-2026-43241	2 Jul 202606:17	–	circl
CNNVD	Linux kernel 安全漏洞	6 May 202600:00	–	cnnvd
Cvelist	CVE-2026-43241 ntb: ntb_hw_switchtec: Fix array-index-out-of-bounds access	6 May 202611:28	–	cvelist
Debian	[SECURITY] [DLA 4606-1] linux security update	29 May 202616:36	–	debian
Debian CVE	CVE-2026-43241	6 May 202611:28	–	debiancve
Tenable Nessus	Debian dla-4606 : ata-modules-5.10.0-43-armmp-di - security update	3 Jun 202600:00	–	nessus
Tenable Nessus	Photon OS 4.0: Linux PHSA-2026-4.0-0977	11 Jun 202600:00	–	nessus
Tenable Nessus	Photon OS 5.0: Linux PHSA-2026-5.0-0837	16 Jun 202600:00	–	nessus

NVD

Vulners

CNA

Node

linux linux_kernelRange4.15–5.10.252

linux linux_kernelRange5.11–5.15.202

linux linux_kernelRange5.16–6.1.165

linux linux_kernelRange6.2–6.6.128

linux linux_kernelRange6.7–6.12.75

linux linux_kernelRange6.13–6.18.16

linux linux_kernelRange6.19–6.19.6

[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/ntb/hw/mscc/ntb_hw_switchtec.c"
    ],
    "versions": [
      {
        "version": "ec0467ccbdeb69a86c8729073057bda7bce00eec",
        "lessThan": "348e1ac9ad983ed7e62de14e1daf47f1695a4ce9",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "ec0467ccbdeb69a86c8729073057bda7bce00eec",
        "lessThan": "ee02c4f980c91820845dd8e469ec7dc670ab6d9d",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "ec0467ccbdeb69a86c8729073057bda7bce00eec",
        "lessThan": "740945de896021b9a859e71f38f6aea72a6393cf",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "ec0467ccbdeb69a86c8729073057bda7bce00eec",
        "lessThan": "85c9daa1f8319bbb3dfee71dc6a2f969cd3b4c92",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "ec0467ccbdeb69a86c8729073057bda7bce00eec",
        "lessThan": "0e930420945106151c6eb3d7837b4e6154e9b144",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "ec0467ccbdeb69a86c8729073057bda7bce00eec",
        "lessThan": "2346856b74823a2a78109002e479a3d02526a9ce",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "ec0467ccbdeb69a86c8729073057bda7bce00eec",
        "lessThan": "47ce292dd45dc689747c40603222691638919189",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "ec0467ccbdeb69a86c8729073057bda7bce00eec",
        "lessThan": "c8ba7ad2cc1c7b90570aa347b8ebbe279f1eface",
        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/ntb/hw/mscc/ntb_hw_switchtec.c"
    ],
    "versions": [
      {
        "version": "4.15",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "4.15",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.10.252",
        "lessThanOrEqual": "5.10.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.15.202",
        "lessThanOrEqual": "5.15.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.1.165",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.128",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.75",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.16",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.19.6",
        "lessThanOrEqual": "6.19.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.0",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

Source	Link
git	www.git.kernel.org/stable/c/348e1ac9ad983ed7e62de14e1daf47f1695a4ce9
git	www.git.kernel.org/stable/c/85c9daa1f8319bbb3dfee71dc6a2f969cd3b4c92
git	www.git.kernel.org/stable/c/0e930420945106151c6eb3d7837b4e6154e9b144
git	www.git.kernel.org/stable/c/c8ba7ad2cc1c7b90570aa347b8ebbe279f1eface
git	www.git.kernel.org/stable/c/47ce292dd45dc689747c40603222691638919189
git	www.git.kernel.org/stable/c/ee02c4f980c91820845dd8e469ec7dc670ab6d9d
git	www.git.kernel.org/stable/c/740945de896021b9a859e71f38f6aea72a6393cf
git	www.git.kernel.org/stable/c/2346856b74823a2a78109002e479a3d02526a9ce

17 Jun 2026 10:49Current

5.8Medium risk

Vulners AI Score5.8

CVSS 3.17.1

EPSS0.00126

CWE-125