CVE-2026-53353

🗓️ 01 Jul 2026 13:32:29Reported by LinuxType

The CVE-2026-53353 entry concerns the Linux kernel HSR subsystem. A timing window exists where hsr->self_node can be absent because hsr_del_self_node() clears self_node in hsr_dellink() and dellink() may complete before unregister_netdevice_man...

Reporter	Title	Published	Views	Family All 6
ATTACKERKB	CVE-2026-53353	1 Jul 202613:32	–	attackerkb
Cvelist	CVE-2026-53353 hsr: Remove WARN_ONCE() in hsr_addr_is_self().	1 Jul 202613:32	–	cvelist
Debian CVE	CVE-2026-53353	1 Jul 202613:32	–	debiancve
EUVD	EUVD-2026-40987	1 Jul 202613:32	–	euvd
NVD	CVE-2026-53353	1 Jul 202614:16	–	nvd
RedhatCVE	CVE-2026-53353	1 Jul 202619:52	–	redhatcve

Vulners

CNA

Node

linux linux_kernelRange3.17–6.6.143

linux linux_kernelRange6.7.0–6.12.94

linux linux_kernelRange6.13.0–6.18.36

linux linux_kernelRange6.19.0–7.0.13

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/hsr/hsr_framereg.c"
    ],
    "versions": [
      {
        "version": "f266a683a4804dc499efc6c2206ef68efed029d0",
        "lessThan": "271355c2ef6171dbc815e7ae653eed63444bbd58",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "f266a683a4804dc499efc6c2206ef68efed029d0",
        "lessThan": "0232b6fcb7615fb7fecfe0727a23065a53e228b8",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "f266a683a4804dc499efc6c2206ef68efed029d0",
        "lessThan": "66a46e22396fd5d09606f37f73643eb20e99aa42",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "f266a683a4804dc499efc6c2206ef68efed029d0",
        "lessThan": "d71bb171661ec0225bf4babdd4d296d744982fb3",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "f266a683a4804dc499efc6c2206ef68efed029d0",
        "lessThan": "afd0f17ca46258cec3a5cc48b8df9327fe772490",
        "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/hsr/hsr_framereg.c"
    ],
    "versions": [
      {
        "version": "3.17",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "3.17",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.143",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.94",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.36",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.0.13",
        "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/66a46e22396fd5d09606f37f73643eb20e99aa42
git	www.git.kernel.org/stable/c/d71bb171661ec0225bf4babdd4d296d744982fb3
git	www.git.kernel.org/stable/c/0232b6fcb7615fb7fecfe0727a23065a53e228b8
git	www.git.kernel.org/stable/c/afd0f17ca46258cec3a5cc48b8df9327fe772490
git	www.git.kernel.org/stable/c/271355c2ef6171dbc815e7ae653eed63444bbd58

01 Jul 2026 14:16Current

5.8Medium risk

Vulners AI Score5.8