CVE-2026-46046

🗓️ 27 May 2026 12:57:02Reported by LinuxType

CVE-2026-46046: ext4 fixes missing brelse in ext4_xattr_inode_dec_ref_all causing refcount leak.

Reporter	Title	Published	Views	Family All 16
ATTACKERKB	CVE-2026-46046	27 May 202612:57	–	attackerkb
CNNVD	Linux kernel 安全漏洞	27 May 202600:00	–	cnnvd
Cvelist	CVE-2026-46046 ext4: fix missing brelse() in ext4_xattr_inode_dec_ref_all()	27 May 202612:57	–	cvelist
Debian CVE	CVE-2026-46046	27 May 202612:57	–	debiancve
EUVD	EUVD-2026-32428	27 May 202612:57	–	euvd
NVD	CVE-2026-46046	27 May 202614:17	–	nvd
OSV	BELL-CVE-2026-46046	28 May 202606:10	–	osv
OSV	DEBIAN-CVE-2026-46046	27 May 202614:17	–	osv
OSV	ECHO-1BBF-BD03-B405	28 May 202604:57	–	osv
OSV	ROOT-OS-UBUNTU-2404-CVE-2026-46046 CVE-2026-46046 in rootio-linux - Patched by Root	3 Jun 202607:40	–	osv

Vulners

CNA

Node

linux linux_kernelRange5.10.237–5.10.258

linux linux_kernelRange5.15.181–5.15.209

linux linux_kernelRange6.1.135–6.1.175

linux linux_kernelRange6.6.88–6.6.140

linux linux_kernelRange6.12.24–6.12.86

linux linux_kernelRange5.4.293–5.5

linux linux_kernelRange6.13.12–6.14

linux linux_kernelRange6.14.3–6.15

linux linux_kernelRange6.15–5.10.258

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_kernelRange6.7.0–6.12.86

linux linux_kernelRange6.13.0–6.18.27

linux linux_kernelRange6.19.0–7.0.4

linux linux_kernelRange7.1.0–7.1-rc1

[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "fs/ext4/xattr.c"
    ],
    "versions": [
      {
        "version": "76c365fa7e2a8bb85f0190cdb4b8cdc99b2fdce3",
        "lessThan": "dd98a5603a212ea9c96c6982ccdbcc748fdb9a56",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "f737418b6de31c962c7192777ee4018906975383",
        "lessThan": "153ab2c52355fbebcae622db8e7b506492c73a29",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "cf9291a3449b04688b81e32621e88de8f4314b54",
        "lessThan": "b706d00206a9e82362a9633efbd8b5775650169b",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "362a90cecd36e8a5c415966d0b75b04a0270e4dd",
        "lessThan": "1bc1107a3a403a6d440673ed6666f7b07ef868a8",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "eb59cc31b6ea076021d14b04e7faab1636b87d0e",
        "lessThan": "097227f1ffe1a85bc3c359f81c71e3d40e06e920",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "c8e008b60492cf6fd31ef127aea6d02fd3d314cd",
        "lessThan": "1e6b0a69bf2c9c819255c7566e4355536d81d9cf",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "c8e008b60492cf6fd31ef127aea6d02fd3d314cd",
        "lessThan": "f072906688933bf47fabbaf63560be03357c8298",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "c8e008b60492cf6fd31ef127aea6d02fd3d314cd",
        "lessThan": "77d059519382bd66283e6a4e83ee186e87e7708f",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "6aff941cb0f7d0c897c3698ad2e30672709135e3",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "3bc6317033f365ce578eb6039445fb66162722fd",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "836e625b03a666cf93ff5be328c8cb30336db872",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "5.10.237",
        "lessThan": "5.10.258",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "5.15.181",
        "lessThan": "5.15.209",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "6.1.135",
        "lessThan": "6.1.175",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "6.6.88",
        "lessThan": "6.6.140",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "6.12.24",
        "lessThan": "6.12.86",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "5.4.293",
        "lessThan": "5.5",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "6.13.12",
        "lessThan": "6.14",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "6.14.3",
        "lessThan": "6.15",
        "status": "affected",
        "versionType": "semver"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "fs/ext4/xattr.c"
    ],
    "versions": [
      {
        "version": "6.15",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "6.15",
        "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": "6.12.86",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.27",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.0.4",
        "lessThanOrEqual": "7.0.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.1-rc1",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

Source	Link
git	www.git.kernel.org/stable/c/1bc1107a3a403a6d440673ed6666f7b07ef868a8
git	www.git.kernel.org/stable/c/1e6b0a69bf2c9c819255c7566e4355536d81d9cf
git	www.git.kernel.org/stable/c/b706d00206a9e82362a9633efbd8b5775650169b
git	www.git.kernel.org/stable/c/153ab2c52355fbebcae622db8e7b506492c73a29
git	www.git.kernel.org/stable/c/097227f1ffe1a85bc3c359f81c71e3d40e06e920
git	www.git.kernel.org/stable/c/dd98a5603a212ea9c96c6982ccdbcc748fdb9a56
git	www.git.kernel.org/stable/c/f072906688933bf47fabbaf63560be03357c8298
git	www.git.kernel.org/stable/c/77d059519382bd66283e6a4e83ee186e87e7708f

01 Jun 2026 17:17Current

5.8Medium risk

Vulners AI Score5.8

EPSS0.00032