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CVE-2026-45834 Bluetooth: L2CAP: Fix null-ptr-deref in l2cap_sock_state_change_cb()

🗓️ 26 May 2026 16:14:11Reported by LinuxType 
cvelist
 cvelist🔗 www.cve.org👁 36 Views

Linux kernel Bluetooth L2CAP fix: add NULL guard in l2cap_sock_state_change_cb to prevent null-pointer dereference.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB		CVE-2026-45834
26 May 202616:14
–attackerkb
CBLMariner		CVE-2026-45834 affecting package kernel for versions less than 6.6.141.1-1
22 Jun 202621:21
–cbl_mariner
CNNVD		Linux kernel 安全漏洞
26 May 202600:00
–cnnvd
CVE		CVE-2026-45834
26 May 202616:14
–cve
Debian CVE		CVE-2026-45834
26 May 202616:14
–debiancve
EUVD		EUVD-2026-31856
26 May 202616:14
–euvd
Microsoft CVE		Bluetooth: L2CAP: Fix null-ptr-deref in l2cap_sock_state_change_cb()
28 May 202608:05
–mscve
NVD		CVE-2026-45834
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-2026-45834
28 May 202606:10
–osv
Rows per page
[
  {
    "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": "89bc500e41fc5b48e0573e6b0d927fc97b8951dc",
        "lessThan": "1b1c0da227bf63479bac9982fc8d12df9aaea0fb",
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      },
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      },
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      {
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      {
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      },
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      }
    ]
  },
  {
    "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"
      }
    ]
  }
]

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14 Jun 2026 17:45Current
EPSS0.00177
bluetooth l2capnull pointerstate change callbacknull guardlinux kernel
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