CVE-2026-98581

🗓️ 18 Oct 2026 15:18:54Reported by LinuxType

List corruption and refcount desync in Linux kernel nfc_llcp_recv_dm() causes DoS.

Reporter	Title	Published	Views	Family All 12
CNNVD	Linux Kernel Security Vulnerabilities	17 Oct 202616:00	–	cnnvd
Cvelist	CVE-2026-98581 nfc: llcp: Fix list corruption / refcount desync in nfc_llcp_recv_dm()	18 Oct 202615:18	–	cvelist
Debian CVE	CVE-2026-98581	18 Oct 202615:18	–	debiancve
EUVD	EUVD-2026-103626	18 Oct 202615:18	–	euvd
NVD	CVE-2026-98581	18 Oct 202616:17	–	nvd
osv_azl	AZL-108833 CVE-2026-98581 affecting package kernel 6.6.157.1-1	18 Oct 202616:17	–	osv_azl
osv_debian	DEBIAN-CVE-2026-98581	18 Oct 202617:47	–	osv_debian
osv_ubuntu	UBUNTU-CVE-2026-98581	19 Oct 202600:00	–	osv_ubuntu
Positive Technologies	PT-2026-116800	18 Oct 202600:00	–	ptsecurity
RedhatCVE	CVE-2026-98581	20 Oct 202603:49	–	redhatcve

Vulners

CNA

Node

linux linux_kernelRange3.6–5.10.271

linux linux_kernelRange5.11.0–5.15.222

linux linux_kernelRange5.16.0–6.1.189

linux linux_kernelRange6.2.0–6.6.158

linux linux_kernelRange6.7.0–6.12.112

linux linux_kernelRange6.13.0–6.18.55

linux linux_kernelRange6.19.0–7.2.9

linux linux_kernelRange7.3.0≥

[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "net/nfc/llcp_core.c"
    ],
    "versions": [
      {
        "version": "a69f32af86e389dd232b1bb2269e202c1bfcc60f",
        "lessThan": "dd2d24add86b3b63cd87cf2feff98ae119ba19a6",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "a69f32af86e389dd232b1bb2269e202c1bfcc60f",
        "lessThan": "812731dd8511f5768f4ff279b3c18d85cd21da4b",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "a69f32af86e389dd232b1bb2269e202c1bfcc60f",
        "lessThan": "dba1d9c7134afcb4b1bfad8c1b1b3f0ab5189b08",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "a69f32af86e389dd232b1bb2269e202c1bfcc60f",
        "lessThan": "c1e9ed52a6697354366dddf190fbacee8ed2f7c5",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "a69f32af86e389dd232b1bb2269e202c1bfcc60f",
        "lessThan": "7fb2c0eeb79bfad64065f539a453138abd0edda6",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "a69f32af86e389dd232b1bb2269e202c1bfcc60f",
        "lessThan": "b94cf09720543cc34256c7aa88f8059cbe7c0419",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "a69f32af86e389dd232b1bb2269e202c1bfcc60f",
        "lessThan": "320a2ff49bdce3f9a437b9a9ff341ff27d3bdbf1",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "a69f32af86e389dd232b1bb2269e202c1bfcc60f",
        "lessThan": "bf1460acdf8cf5a07c819f59785d40f20d113099",
        "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/nfc/llcp_core.c"
    ],
    "versions": [
      {
        "version": "3.6",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "3.6",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.10.271",
        "lessThanOrEqual": "5.10.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.15.222",
        "lessThanOrEqual": "5.15.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.1.189",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.158",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.112",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.55",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.2.9",
        "lessThanOrEqual": "7.2.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.3",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

Source	Link
git	www.git.kernel.org/stable/c/dba1d9c7134afcb4b1bfad8c1b1b3f0ab5189b08
git	www.git.kernel.org/stable/c/320a2ff49bdce3f9a437b9a9ff341ff27d3bdbf1
git	www.git.kernel.org/stable/c/812731dd8511f5768f4ff279b3c18d85cd21da4b
git	www.git.kernel.org/stable/c/c1e9ed52a6697354366dddf190fbacee8ed2f7c5
git	www.git.kernel.org/stable/c/bf1460acdf8cf5a07c819f59785d40f20d113099
git	www.git.kernel.org/stable/c/dd2d24add86b3b63cd87cf2feff98ae119ba19a6
git	www.git.kernel.org/stable/c/b94cf09720543cc34256c7aa88f8059cbe7c0419
git	www.git.kernel.org/stable/c/7fb2c0eeb79bfad64065f539a453138abd0edda6

19 Oct 2026 10:19Current

5.9Medium risk

Vulners AI Score5.9

EPSS0.0021