CVE-2026-90306

🗓️ 17 Sep 2026 16:08:28Reported by LinuxType

cve🔗 web.nvd.nist.gov👁 31 Views🌐 WEB

ARM Linux kernel CFI breakpoint handler steals type 0x03 blocking userspace breakpoint use.

Reporter	Title	Published	Views	Family All 13
Cvelist	CVE-2026-90306 ARM: 9481/2: breakpoint: CFI breakpoints only on demand	17 Sep 202616:08	–	cvelist
Debian CVE	CVE-2026-90306	17 Sep 202616:08	–	debiancve
EUVD	EUVD-2026-81967	17 Sep 202616:08	–	euvd
NVD	CVE-2026-90306	17 Sep 202617:17	–	nvd
OSV	BELL-CVE-2026-90306	19 Sep 202606:06	–	osv
OSV	DEBIAN-CVE-2026-90306	17 Sep 202617:17	–	osv
OSV	OPENSUSE-SU-2026:11880-1 kernel-devel-7.2.7-1.1 on GA media	24 Sep 202600:00	–	osv
OSV	UBUNTU-CVE-2026-90306	17 Sep 202617:17	–	osv
Positive Technologies	PT-2026-94654	17 Sep 202600:00	–	ptsecurity
Rapid7 Vulnerability Database (full)	CVE-2026-90306: Undefined Security Weakness	17 Sep 202600:00	–	rapid7

Vulners

CNA

Node

linux linux_kernelRange6.10–6.18.52

linux linux_kernelRange6.19.0–7.2.6

linux linux_kernelRange7.3.0–7.3-rc1

[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "arch/arm/kernel/hw_breakpoint.c"
    ],
    "versions": [
      {
        "version": "c3f89986fde7bb9ccc86a901bf28e1f7d69fc3b3",
        "lessThan": "314f1a6762b5d51b37784ed7dc701d4c3d893703",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "c3f89986fde7bb9ccc86a901bf28e1f7d69fc3b3",
        "lessThan": "da64b150e4b7bee615b33ab21f3137c31ec36922",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "c3f89986fde7bb9ccc86a901bf28e1f7d69fc3b3",
        "lessThan": "8ed9bff906cf8036531d1559f10e82733a52b41f",
        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "arch/arm/kernel/hw_breakpoint.c"
    ],
    "versions": [
      {
        "version": "6.10",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "6.10",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.52",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.2.6",
        "lessThanOrEqual": "7.2.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.3-rc1",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

Source	Link
git	www.git.kernel.org/stable/c/8ed9bff906cf8036531d1559f10e82733a52b41f
git	www.git.kernel.org/stable/c/314f1a6762b5d51b37784ed7dc701d4c3d893703
git	www.git.kernel.org/stable/c/da64b150e4b7bee615b33ab21f3137c31ec36922

Parameter	Position	Path	Description	CWE
CFI_FORWARD_PROTO	path	/sys/kernel/debug/provoke-crash/DIRECT	ARM: CFI breakpoints are now on-demand; writing to provoke-crash/DIRECT can trigger unhandled fault when CFI is not active.

21 Sep 2026 14:17Current

5.8Medium risk

Vulners AI Score5.8

EPSS0.00206