CVE-2026-45920

🗓️ 27 May 2026 12:17:38Reported by LinuxType

Fix double decrement of dirty clusters on ext4 shutdown to prevent ext4_put_super warnings.

Reporter	Title	Published	Views	Family All 16
CNNVD	Linux kernel 安全漏洞	27 May 202600:00	–	cnnvd
Cvelist	CVE-2026-45920 ext4: fix dirtyclusters double decrement on fs shutdown	27 May 202612:17	–	cvelist
Debian	[SECURITY] [DLA 4606-1] linux security update	29 May 202616:36	–	debian
Debian CVE	CVE-2026-45920	27 May 202612:17	–	debiancve
Tenable Nessus	Debian dla-4606 : ata-modules-5.10.0-43-armmp-di - security update	3 Jun 202600:00	–	nessus
Tenable Nessus	Linux Distros Unpatched Vulnerability : CVE-2026-45920	27 May 202600:00	–	nessus
EUVD	EUVD-2026-32386	27 May 202615:33	–	euvd
NVD	CVE-2026-45920	27 May 202614:17	–	nvd
OSV	BELL-CVE-2026-45920	28 May 202606:10	–	osv
OSV	DEBIAN-CVE-2026-45920	27 May 202614:17	–	osv

Vulners

CNA

Node

linux linux_kernelRange2.6.29–5.10.253

linux linux_kernelRange5.11.0–5.15.203

linux linux_kernelRange5.16.0–6.1.167

linux linux_kernelRange6.2.0–6.6.130

linux linux_kernelRange6.7.0–6.12.75

linux linux_kernelRange6.13.0–6.18.14

linux linux_kernelRange6.19.0–6.19.4

linux linux_kernelRange6.20.0–7.0

[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "fs/ext4/mballoc-test.c",
      "fs/ext4/mballoc.c"
    ],
    "versions": [
      {
        "version": "0087d9fb3f29f59e8d42c8b058376d80e5adde4c",
        "lessThan": "523d5a4df3c649fa305c89efb552ec62a1ce9d3d",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "0087d9fb3f29f59e8d42c8b058376d80e5adde4c",
        "lessThan": "ca408af08544d96769c93a3d81a7f63f61129e95",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "0087d9fb3f29f59e8d42c8b058376d80e5adde4c",
        "lessThan": "55576fa14771d33994c29a9ae960e07bb3f56c20",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "0087d9fb3f29f59e8d42c8b058376d80e5adde4c",
        "lessThan": "dbc4e10619ed87a50e637b96f2e574df36a7a769",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "0087d9fb3f29f59e8d42c8b058376d80e5adde4c",
        "lessThan": "61e372122b6d95aec940fdaea0a16f988f359897",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "0087d9fb3f29f59e8d42c8b058376d80e5adde4c",
        "lessThan": "3924aea2c33df3864929c1acd178bfc29d8f005f",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "0087d9fb3f29f59e8d42c8b058376d80e5adde4c",
        "lessThan": "81982a11406c5da6c6e2b188028e7056e16b7128",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "0087d9fb3f29f59e8d42c8b058376d80e5adde4c",
        "lessThan": "94a8cea54cd935c54fa2fba70354757c0fc245e3",
        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "fs/ext4/mballoc-test.c",
      "fs/ext4/mballoc.c"
    ],
    "versions": [
      {
        "version": "2.6.29",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "2.6.29",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.10.253",
        "lessThanOrEqual": "5.10.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.15.203",
        "lessThanOrEqual": "5.15.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.1.167",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.130",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.75",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.14",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.19.4",
        "lessThanOrEqual": "6.19.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.0",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

Source	Link
git	www.git.kernel.org/stable/c/523d5a4df3c649fa305c89efb552ec62a1ce9d3d
git	www.git.kernel.org/stable/c/94a8cea54cd935c54fa2fba70354757c0fc245e3
git	www.git.kernel.org/stable/c/ca408af08544d96769c93a3d81a7f63f61129e95
git	www.git.kernel.org/stable/c/55576fa14771d33994c29a9ae960e07bb3f56c20
git	www.git.kernel.org/stable/c/3924aea2c33df3864929c1acd178bfc29d8f005f
git	www.git.kernel.org/stable/c/81982a11406c5da6c6e2b188028e7056e16b7128
git	www.git.kernel.org/stable/c/dbc4e10619ed87a50e637b96f2e574df36a7a769
git	www.git.kernel.org/stable/c/61e372122b6d95aec940fdaea0a16f988f359897

27 May 2026 14:48Current

5.7Medium risk

Vulners AI Score5.7

EPSS0.00032