CVE-2026-53126

🗓️ 24 Jun 2026 16:30:54Reported by LinuxType

CVE-2026-53126 corresponds to a Linux kernel fix for a disk reference leak in blkcg_maybe_throttle_current. The issue occurred when blkcg lookup, blkg lookup, or blkg_tryget() failed and control flowed to the error path; the code released only rcu...

Reporter	Title	Published	Views	Family All 5
Cvelist	CVE-2026-53126 blk-cgroup: fix disk reference leak in blkcg_maybe_throttle_current()	24 Jun 202616:30	–	cvelist
Debian CVE	CVE-2026-53126	24 Jun 202616:30	–	debiancve
EUVD	EUVD-2026-38994	24 Jun 202618:32	–	euvd
NVD	CVE-2026-53126	24 Jun 202617:17	–	nvd
Positive Technologies	PT-2026-52020	24 Jun 202600:00	–	ptsecurity

Vulners

CNA

Node

linux linux_kernelRange6.3–6.6.141

linux linux_kernelRange6.7.0–6.12.91

linux linux_kernelRange6.13.0–6.18.33

linux linux_kernelRange6.19.0–7.0.10

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": [
      "block/blk-cgroup.c"
    ],
    "versions": [
      {
        "version": "f05837ed73d0c73e950b2d9f2612febb0d3d451e",
        "lessThan": "4048ed98860d3785645ebbd34f69566a6c7320c3",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "f05837ed73d0c73e950b2d9f2612febb0d3d451e",
        "lessThan": "73a5af059905d171b398c8b2381632ee499948b5",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "f05837ed73d0c73e950b2d9f2612febb0d3d451e",
        "lessThan": "b3e005f16cd98f815429a87aef4c61e9c140779f",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "f05837ed73d0c73e950b2d9f2612febb0d3d451e",
        "lessThan": "000e8454692cab9d1f1b80130e2870e355301d06",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "f05837ed73d0c73e950b2d9f2612febb0d3d451e",
        "lessThan": "23308af722fefed00af5f238024c11710938fba3",
        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "block/blk-cgroup.c"
    ],
    "versions": [
      {
        "version": "6.3",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "6.3",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.141",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.91",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.33",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.0.10",
        "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/73a5af059905d171b398c8b2381632ee499948b5
git	www.git.kernel.org/stable/c/4048ed98860d3785645ebbd34f69566a6c7320c3
git	www.git.kernel.org/stable/c/b3e005f16cd98f815429a87aef4c61e9c140779f
git	www.git.kernel.org/stable/c/000e8454692cab9d1f1b80130e2870e355301d06
git	www.git.kernel.org/stable/c/23308af722fefed00af5f238024c11710938fba3

24 Jun 2026 17:17Current

5.8Medium risk

Vulners AI Score5.8