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CVE-2026-46159

🗓️ 28 May 2026 09:36:14Reported by LinuxType 
cve
 cve🔗 web.nvd.nist.gov👁 27 Views

Btrfs fixes a time of check time of use in btrfs_ioctl_space_info and leaks by copying only filled entries with kzalloc.

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB		CVE-2026-46159
28 May 202609:36
–attackerkb
Tenable Nessus		Amazon Linux 2023 : bpftool6.12, kernel6.12, kernel6.12-devel (ALAS2023-2026-1816)
8 Jun 202600:00
–nessus
Tenable Nessus		Amazon Linux 2023 : bpftool6.18, kernel6.18, kernel6.18-devel (ALAS2023-2026-1866)
22 Jun 202600:00
–nessus
Tenable Nessus		SUSE SLES16 Security Update : kernel (SUSE-SU-2026:22099-1)
20 Jun 202600:00
–nessus
Tenable Nessus		SUSE SLES16 Security Update : kernel (SUSE-SU-2026:22127-1)
20 Jun 202600:00
–nessus
Tenable Nessus		SUSE SLES12 Security Update : kernel (SUSE-SU-2026:2450-1)
20 Jun 202600:00
–nessus
Tenable Nessus		Linux Distros Unpatched Vulnerability : CVE-2026-46159
29 May 202600:00
–nessus
Amazon		Important: kernel6.12
8 Jun 202600:00
–amazon
Amazon		Important: kernel6.18
22 Jun 202600:00
–amazon
CBLMariner		CVE-2026-46159 affecting package kernel for versions less than 6.6.141.1-1
22 Jun 202621:21
–cbl_mariner
Rows per page
NVD
Vulners
CNA
Node
linuxlinux_kernelRange2.6.34.1–6.6.140
OR
linuxlinux_kernelRange6.7–6.12.90
OR
linuxlinux_kernelRange6.13–6.18.32
OR
linuxlinux_kernelRange6.19–7.0.7
OR
linuxlinux_kernelMatch2.6.34-
OR
linuxlinux_kernelMatch2.6.34rc2
OR
linuxlinux_kernelMatch2.6.34rc3
OR
linuxlinux_kernelMatch2.6.34rc4
OR
linuxlinux_kernelMatch2.6.34rc5
OR
linuxlinux_kernelMatch2.6.34rc6
OR
linuxlinux_kernelMatch2.6.34rc7
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "fs/btrfs/ioctl.c"
    ],
    "versions": [
      {
        "version": "7fde62bffb576d384ea49a3aed3403d5609ee5bc",
        "lessThan": "f407aad350bdea4db300c47433573b7a41630d33",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "7fde62bffb576d384ea49a3aed3403d5609ee5bc",
        "lessThan": "d8224b1be6627c6c3b204bfb264508d27c65ac44",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "7fde62bffb576d384ea49a3aed3403d5609ee5bc",
        "lessThan": "d69a4a6813fdba7c4cc3695a7e843842b240790d",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "7fde62bffb576d384ea49a3aed3403d5609ee5bc",
        "lessThan": "f5ee467b56764964027c361641f64953fc0f8f9a",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "7fde62bffb576d384ea49a3aed3403d5609ee5bc",
        "lessThan": "4fdc6ee0802121d9cd96b8d085e589f51e5a4ec3",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "7fde62bffb576d384ea49a3aed3403d5609ee5bc",
        "lessThan": "5d12e0ab009ade48c1bff9324fd9bea2c773d088",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "7fde62bffb576d384ea49a3aed3403d5609ee5bc",
        "lessThan": "d09d67d5de577cedae3de9497dff217e0ac8b641",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "7fde62bffb576d384ea49a3aed3403d5609ee5bc",
        "lessThan": "973e57c726c1f8e77259d1c8e519519f1e9aea77",
        "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/btrfs/ioctl.c"
    ],
    "versions": [
      {
        "version": "2.6.34",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "2.6.34",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.10.259",
        "lessThanOrEqual": "5.10.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.15.210",
        "lessThanOrEqual": "5.15.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.1.176",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.140",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.90",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.32",
        "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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19 Jun 2026 13:16Current
5.8Medium risk
Vulners AI Score5.8
CVSS 3.14.7
EPSS0.00093
CWE-367
btrfsspace information ioctltime of check time of useinfo leakmemory allocation kzalloc
27