CVE-2026-45835

🗓️ 26 May 2026 16:14:12Reported by LinuxType

CVE-2026-45835: Linux Bluetooth L2CAP fixes null pointer dereference in l2cap_sock_new_connection_cb with NULL guard.

Reporter	Title	Published	Views	Family All 38
ATTACKERKB	CVE-2026-45835	26 May 202616:14	–	attackerkb
CNNVD	Linux kernel 安全漏洞	26 May 202600:00	–	cnnvd
Cvelist	CVE-2026-45835 Bluetooth: L2CAP: Fix null-ptr-deref in l2cap_sock_new_connection_cb()	26 May 202616:14	–	cvelist
Debian CVE	CVE-2026-45835	26 May 202616:14	–	debiancve
EUVD	EUVD-2026-31857	26 May 202616:14	–	euvd
Microsoft CVE	Bluetooth: L2CAP: Fix null-ptr-deref in l2cap_sock_new_connection_cb()	28 May 202608:05	–	mscve
NVD	CVE-2026-45835	26 May 202617:16	–	nvd
OPENSUSE Linux	kernel-devel-7.0.11-1.1 on GA media (moderate)	8 Jun 202600:00	–	opensuse
OSV	BELL-CVE-2026-45835	28 May 202606:10	–	osv
OSV	DEBIAN-CVE-2026-45835	26 May 202617:16	–	osv

Vulners

CNA

Node

linux linux_kernelRange3.1–5.10.258

linux linux_kernelRange5.11.0–5.15.209

linux linux_kernelRange5.16.0–6.1.175

linux linux_kernelRange6.2.0–6.6.140

linux linux_kernelRange6.7.0–6.12.88

linux linux_kernelRange6.13.0–6.18.30

linux linux_kernelRange6.19.0–7.0.7

linux linux_kernelRange7.1.0≥

[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "net/bluetooth/l2cap_sock.c"
    ],
    "versions": [
      {
        "version": "80808e431e1ef25856457de82ce141bed6a6313a",
        "lessThan": "140b63cb46f2855ac4ec8fba2f1e974a9c2974e8",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "80808e431e1ef25856457de82ce141bed6a6313a",
        "lessThan": "2422eaed0925973c0f318c94eb13e76f14c7381e",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "80808e431e1ef25856457de82ce141bed6a6313a",
        "lessThan": "684a1f9ee2325437ae18ac5371884e4c6a25ae73",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "80808e431e1ef25856457de82ce141bed6a6313a",
        "lessThan": "ab77c8bc30269bee15d917059a66bea48909f5f0",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "80808e431e1ef25856457de82ce141bed6a6313a",
        "lessThan": "bc3bb9f40da8e53896abc2d29c6d0c6686fe4ab9",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "80808e431e1ef25856457de82ce141bed6a6313a",
        "lessThan": "741e6024e31587b0c021b6616a9e428a4ea0b64a",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "80808e431e1ef25856457de82ce141bed6a6313a",
        "lessThan": "76083fb80f5a38ac13326b2d810f66bd07771eea",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "80808e431e1ef25856457de82ce141bed6a6313a",
        "lessThan": "0a120d96166301d7a95be75b52f843837dbd1219",
        "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/bluetooth/l2cap_sock.c"
    ],
    "versions": [
      {
        "version": "3.1",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "3.1",
        "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": "6.12.88",
        "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/684a1f9ee2325437ae18ac5371884e4c6a25ae73
git	www.git.kernel.org/stable/c/0a120d96166301d7a95be75b52f843837dbd1219
git	www.git.kernel.org/stable/c/741e6024e31587b0c021b6616a9e428a4ea0b64a
git	www.git.kernel.org/stable/c/140b63cb46f2855ac4ec8fba2f1e974a9c2974e8
git	www.git.kernel.org/stable/c/ab77c8bc30269bee15d917059a66bea48909f5f0
git	www.git.kernel.org/stable/c/2422eaed0925973c0f318c94eb13e76f14c7381e
git	www.git.kernel.org/stable/c/76083fb80f5a38ac13326b2d810f66bd07771eea
git	www.git.kernel.org/stable/c/bc3bb9f40da8e53896abc2d29c6d0c6686fe4ab9

17 Jun 2026 10:52Current

5.8Medium risk

Vulners AI Score5.8

EPSS0.00176