CVE-2026-46002 (GCVE-0-2026-46002)

Vulnerability from cvelistv5 – Published: 2026-05-27 12:55 – Updated: 2026-06-14 17:47
VLAI
Title
ext2: reject inodes with zero i_nlink and valid mode in ext2_iget()
Summary
In the Linux kernel, the following vulnerability has been resolved: ext2: reject inodes with zero i_nlink and valid mode in ext2_iget() ext2_iget() already rejects inodes with i_nlink == 0 when i_mode is zero or i_dtime is set, treating them as deleted. However, the case of i_nlink == 0 with a non-zero mode and zero dtime slips through. Since ext2 has no orphan list, such a combination can only result from filesystem corruption - a legitimate inode deletion always sets either i_dtime or clears i_mode before freeing the inode. A crafted image can exploit this gap to present such an inode to the VFS, which then triggers WARN_ON inside drop_nlink() (fs/inode.c) via ext2_unlink(), ext2_rename() and ext2_rmdir(): WARNING: CPU: 3 PID: 609 at fs/inode.c:336 drop_nlink+0xad/0xd0 fs/inode.c:336 CPU: 3 UID: 0 PID: 609 Comm: syz-executor Not tainted 6.12.77+ #1 Call Trace: <TASK> inode_dec_link_count include/linux/fs.h:2518 [inline] ext2_unlink+0x26c/0x300 fs/ext2/namei.c:295 vfs_unlink+0x2fc/0x9b0 fs/namei.c:4477 do_unlinkat+0x53e/0x730 fs/namei.c:4541 __x64_sys_unlink+0xc6/0x110 fs/namei.c:4587 do_syscall_64+0xf5/0x220 arch/x86/entry/common.c:78 entry_SYSCALL_64_after_hwframe+0x77/0x7f </TASK> WARNING: CPU: 0 PID: 646 at fs/inode.c:336 drop_nlink+0xad/0xd0 fs/inode.c:336 CPU: 0 UID: 0 PID: 646 Comm: syz.0.17 Not tainted 6.12.77+ #1 Call Trace: <TASK> inode_dec_link_count include/linux/fs.h:2518 [inline] ext2_rename+0x35e/0x850 fs/ext2/namei.c:374 vfs_rename+0xf2f/0x2060 fs/namei.c:5021 do_renameat2+0xbe2/0xd50 fs/namei.c:5178 __x64_sys_rename+0x7e/0xa0 fs/namei.c:5223 do_syscall_64+0xf5/0x220 arch/x86/entry/common.c:78 entry_SYSCALL_64_after_hwframe+0x77/0x7f </TASK> WARNING: CPU: 0 PID: 634 at fs/inode.c:336 drop_nlink+0xad/0xd0 fs/inode.c:336 CPU: 0 UID: 0 PID: 634 Comm: syz-executor Not tainted 6.12.77+ #1 Call Trace: <TASK> inode_dec_link_count include/linux/fs.h:2518 [inline] ext2_rmdir+0xca/0x110 fs/ext2/namei.c:311 vfs_rmdir+0x204/0x690 fs/namei.c:4348 do_rmdir+0x372/0x3e0 fs/namei.c:4407 __x64_sys_unlinkat+0xf0/0x130 fs/namei.c:4577 do_syscall_64+0xf5/0x220 arch/x86/entry/common.c:78 entry_SYSCALL_64_after_hwframe+0x77/0x7f </TASK> Extend the existing i_nlink == 0 check to also catch this case, reporting the corruption via ext2_error() and returning -EFSCORRUPTED. This rejects the inode at load time and prevents it from reaching any of the namei.c paths. Found by Linux Verification Center (linuxtesting.org) with Syzkaller.
Severity
5.5 (Medium)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < 1b80cf48bcf0e1937af9cd6c7beb188762bbf7c5 (git)
Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < 9e2d67fb2b73eeff8b601e26b332128eae8147bb (git)
Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < a69a0c5156b6f0092b9fcf44517f5831a962de2d (git)
Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < 32e0b925572686399243834ec99e2a9d85c62eae (git)
Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < d3af04a43db86379df7438bf8bade71685b8a239 (git)
Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < 2dde6377ab2e46bb80cf066c659ef016f3ad7a9b (git)
Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < 470264bbec499e276a89a6431144ae58f411ea4d (git)
Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < 25947cc5b2374cd5bf627fe3141496444260d04f (git)
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Linux Linux Affected: 2.6.12
Unaffected: 0 , < 2.6.12 (semver)
Unaffected: 5.10.258 , ≤ 5.10.* (semver)
Unaffected: 5.15.209 , ≤ 5.15.* (semver)
Unaffected: 6.1.175 , ≤ 6.1.* (semver)
Unaffected: 6.6.140 , ≤ 6.6.* (semver)
Unaffected: 6.12.86 , ≤ 6.12.* (semver)
Unaffected: 6.18.27 , ≤ 6.18.* (semver)
Unaffected: 7.0.4 , ≤ 7.0.* (semver)
Unaffected: 7.1 , ≤ * (original_commit_for_fix)
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      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\next2: reject inodes with zero i_nlink and valid mode in ext2_iget()\n\next2_iget() already rejects inodes with i_nlink == 0 when i_mode is\nzero or i_dtime is set, treating them as deleted. However, the case of\ni_nlink == 0 with a non-zero mode and zero dtime slips through. Since\next2 has no orphan list, such a combination can only result from\nfilesystem corruption - a legitimate inode deletion always sets either\ni_dtime or clears i_mode before freeing the inode.\n\nA crafted image can exploit this gap to present such an inode to the\nVFS, which then triggers WARN_ON inside drop_nlink() (fs/inode.c) via\next2_unlink(), ext2_rename() and ext2_rmdir():\n\nWARNING: CPU: 3 PID: 609 at fs/inode.c:336 drop_nlink+0xad/0xd0 fs/inode.c:336\nCPU: 3 UID: 0 PID: 609 Comm: syz-executor Not tainted 6.12.77+ #1\nCall Trace:\n \u003cTASK\u003e\n inode_dec_link_count include/linux/fs.h:2518 [inline]\n ext2_unlink+0x26c/0x300 fs/ext2/namei.c:295\n vfs_unlink+0x2fc/0x9b0 fs/namei.c:4477\n do_unlinkat+0x53e/0x730 fs/namei.c:4541\n __x64_sys_unlink+0xc6/0x110 fs/namei.c:4587\n do_syscall_64+0xf5/0x220 arch/x86/entry/common.c:78\n entry_SYSCALL_64_after_hwframe+0x77/0x7f\n \u003c/TASK\u003e\n\nWARNING: CPU: 0 PID: 646 at fs/inode.c:336 drop_nlink+0xad/0xd0 fs/inode.c:336\nCPU: 0 UID: 0 PID: 646 Comm: syz.0.17 Not tainted 6.12.77+ #1\nCall Trace:\n \u003cTASK\u003e\n inode_dec_link_count include/linux/fs.h:2518 [inline]\n ext2_rename+0x35e/0x850 fs/ext2/namei.c:374\n vfs_rename+0xf2f/0x2060 fs/namei.c:5021\n do_renameat2+0xbe2/0xd50 fs/namei.c:5178\n __x64_sys_rename+0x7e/0xa0 fs/namei.c:5223\n do_syscall_64+0xf5/0x220 arch/x86/entry/common.c:78\n entry_SYSCALL_64_after_hwframe+0x77/0x7f\n \u003c/TASK\u003e\n\nWARNING: CPU: 0 PID: 634 at fs/inode.c:336 drop_nlink+0xad/0xd0 fs/inode.c:336\nCPU: 0 UID: 0 PID: 634 Comm: syz-executor Not tainted 6.12.77+ #1\nCall Trace:\n \u003cTASK\u003e\n inode_dec_link_count include/linux/fs.h:2518 [inline]\n ext2_rmdir+0xca/0x110 fs/ext2/namei.c:311\n vfs_rmdir+0x204/0x690 fs/namei.c:4348\n do_rmdir+0x372/0x3e0 fs/namei.c:4407\n __x64_sys_unlinkat+0xf0/0x130 fs/namei.c:4577\n do_syscall_64+0xf5/0x220 arch/x86/entry/common.c:78\n entry_SYSCALL_64_after_hwframe+0x77/0x7f\n \u003c/TASK\u003e\n\nExtend the existing i_nlink == 0 check to also catch this case,\nreporting the corruption via ext2_error() and returning -EFSCORRUPTED.\nThis rejects the inode at load time and prevents it from reaching any\nof the namei.c paths.\n\nFound by Linux Verification Center (linuxtesting.org) with Syzkaller."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-06-14T17:47:19.832Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/1b80cf48bcf0e1937af9cd6c7beb188762bbf7c5"
        },
        {
          "url": "https://git.kernel.org/stable/c/9e2d67fb2b73eeff8b601e26b332128eae8147bb"
        },
        {
          "url": "https://git.kernel.org/stable/c/a69a0c5156b6f0092b9fcf44517f5831a962de2d"
        },
        {
          "url": "https://git.kernel.org/stable/c/32e0b925572686399243834ec99e2a9d85c62eae"
        },
        {
          "url": "https://git.kernel.org/stable/c/d3af04a43db86379df7438bf8bade71685b8a239"
        },
        {
          "url": "https://git.kernel.org/stable/c/2dde6377ab2e46bb80cf066c659ef016f3ad7a9b"
        },
        {
          "url": "https://git.kernel.org/stable/c/470264bbec499e276a89a6431144ae58f411ea4d"
        },
        {
          "url": "https://git.kernel.org/stable/c/25947cc5b2374cd5bf627fe3141496444260d04f"
        }
      ],
      "title": "ext2: reject inodes with zero i_nlink and valid mode in ext2_iget()",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2026-46002",
    "datePublished": "2026-05-27T12:55:57.898Z",
    "dateReserved": "2026-05-13T15:03:33.091Z",
    "dateUpdated": "2026-06-14T17:47:19.832Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2026-46002",
      "date": "2026-07-26",
      "epss": "0.00123",
      "percentile": "0.024"
    },
    "microsoft_vex": {
      "current_release_date": "2026-06-09T14:48:08.000Z",
      "cve": "CVE-2026-46002",
      "id": "msrc_CVE-2026-46002",
      "initial_release_date": "2026-05-02T00:00:00.000Z",
      "product_status:fixed": "1",
      "product_status:known_affected": "1",
      "source": "Microsoft CSAF VEX",
      "status": "final",
      "title": "ext2: reject inodes with zero i_nlink and valid mode in ext2_iget()",
      "url": "https://msrc.microsoft.com/csaf/vex/2026/msrc_cve-2026-46002.json",
      "version": "3"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2026-46002\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2026-05-27T14:17:17.880\",\"lastModified\":\"2026-06-17T10:52:52.770\",\"vulnStatus\":\"Analyzed\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\next2: reject inodes with zero i_nlink and valid mode in ext2_iget()\\n\\next2_iget() already rejects inodes with i_nlink == 0 when i_mode is\\nzero or i_dtime is set, treating them as deleted. However, the case of\\ni_nlink == 0 with a non-zero mode and zero dtime slips through. Since\\next2 has no orphan list, such a combination can only result from\\nfilesystem corruption - a legitimate inode deletion always sets either\\ni_dtime or clears i_mode before freeing the inode.\\n\\nA crafted image can exploit this gap to present such an inode to the\\nVFS, which then triggers WARN_ON inside drop_nlink() (fs/inode.c) via\\next2_unlink(), ext2_rename() and ext2_rmdir():\\n\\nWARNING: CPU: 3 PID: 609 at fs/inode.c:336 drop_nlink+0xad/0xd0 fs/inode.c:336\\nCPU: 3 UID: 0 PID: 609 Comm: syz-executor Not tainted 6.12.77+ #1\\nCall Trace:\\n \u003cTASK\u003e\\n inode_dec_link_count include/linux/fs.h:2518 [inline]\\n ext2_unlink+0x26c/0x300 fs/ext2/namei.c:295\\n vfs_unlink+0x2fc/0x9b0 fs/namei.c:4477\\n do_unlinkat+0x53e/0x730 fs/namei.c:4541\\n __x64_sys_unlink+0xc6/0x110 fs/namei.c:4587\\n do_syscall_64+0xf5/0x220 arch/x86/entry/common.c:78\\n entry_SYSCALL_64_after_hwframe+0x77/0x7f\\n \u003c/TASK\u003e\\n\\nWARNING: CPU: 0 PID: 646 at fs/inode.c:336 drop_nlink+0xad/0xd0 fs/inode.c:336\\nCPU: 0 UID: 0 PID: 646 Comm: syz.0.17 Not tainted 6.12.77+ #1\\nCall Trace:\\n \u003cTASK\u003e\\n inode_dec_link_count include/linux/fs.h:2518 [inline]\\n ext2_rename+0x35e/0x850 fs/ext2/namei.c:374\\n vfs_rename+0xf2f/0x2060 fs/namei.c:5021\\n do_renameat2+0xbe2/0xd50 fs/namei.c:5178\\n __x64_sys_rename+0x7e/0xa0 fs/namei.c:5223\\n do_syscall_64+0xf5/0x220 arch/x86/entry/common.c:78\\n entry_SYSCALL_64_after_hwframe+0x77/0x7f\\n \u003c/TASK\u003e\\n\\nWARNING: CPU: 0 PID: 634 at fs/inode.c:336 drop_nlink+0xad/0xd0 fs/inode.c:336\\nCPU: 0 UID: 0 PID: 634 Comm: syz-executor Not tainted 6.12.77+ #1\\nCall Trace:\\n \u003cTASK\u003e\\n inode_dec_link_count include/linux/fs.h:2518 [inline]\\n ext2_rmdir+0xca/0x110 fs/ext2/namei.c:311\\n vfs_rmdir+0x204/0x690 fs/namei.c:4348\\n do_rmdir+0x372/0x3e0 fs/namei.c:4407\\n __x64_sys_unlinkat+0xf0/0x130 fs/namei.c:4577\\n do_syscall_64+0xf5/0x220 arch/x86/entry/common.c:78\\n entry_SYSCALL_64_after_hwframe+0x77/0x7f\\n \u003c/TASK\u003e\\n\\nExtend the existing i_nlink == 0 check to also catch this case,\\nreporting the corruption via ext2_error() and returning -EFSCORRUPTED.\\nThis rejects the inode at load time and prevents it from reaching any\\nof the namei.c paths.\\n\\nFound by Linux Verification Center (linuxtesting.org) with Syzkaller.\"}],\"affected\":[{\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"affectedData\":[{\"vendor\":\"Linux\",\"product\":\"Linux\",\"defaultStatus\":\"unaffected\",\"programFiles\":[\"fs/ext2/inode.c\"],\"repo\":\"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\"versions\":[{\"version\":\"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2\",\"lessThan\":\"1b80cf48bcf0e1937af9cd6c7beb188762bbf7c5\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2\",\"lessThan\":\"9e2d67fb2b73eeff8b601e26b332128eae8147bb\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2\",\"lessThan\":\"a69a0c5156b6f0092b9fcf44517f5831a962de2d\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2\",\"lessThan\":\"32e0b925572686399243834ec99e2a9d85c62eae\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2\",\"lessThan\":\"d3af04a43db86379df7438bf8bade71685b8a239\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2\",\"lessThan\":\"2dde6377ab2e46bb80cf066c659ef016f3ad7a9b\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2\",\"lessThan\":\"470264bbec499e276a89a6431144ae58f411ea4d\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2\",\"lessThan\":\"25947cc5b2374cd5bf627fe3141496444260d04f\",\"versionType\":\"git\",\"status\":\"affected\"}]},{\"vendor\":\"Linux\",\"product\":\"Linux\",\"defaultStatus\":\"affected\",\"programFiles\":[\"fs/ext2/inode.c\"],\"repo\":\"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\"versions\":[{\"version\":\"2.6.12\",\"status\":\"affected\"},{\"version\":\"0\",\"lessThan\":\"2.6.12\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"5.10.258\",\"lessThanOrEqual\":\"5.10.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"5.15.209\",\"lessThanOrEqual\":\"5.15.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.1.175\",\"lessThanOrEqual\":\"6.1.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.6.140\",\"lessThanOrEqual\":\"6.6.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.12.86\",\"lessThanOrEqual\":\"6.12.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.18.27\",\"lessThanOrEqual\":\"6.18.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"7.0.4\",\"lessThanOrEqual\":\"7.0.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"7.1\",\"lessThanOrEqual\":\"*\",\"versionType\":\"original_commit_for_fix\",\"status\":\"unaffected\"}]}]}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H\",\"baseScore\":5.5,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":1.8,\"impactScore\":3.6}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"NVD-CWE-noinfo\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"2.6.12.1\",\"versionEndExcluding\":\"5.10.258\",\"matchCriteriaId\":\"E03287AA-1109-4662-85B8-5E824B2EA646\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.11\",\"versionEndExcluding\":\"5.15.209\",\"matchCriteriaId\":\"919C10A9-7951-4A74-BADD-C135A0A8D8B4\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.16\",\"versionEndExcluding\":\"6.1.175\",\"matchCriteriaId\":\"92385813-D91D-480D-83A1-F423D2CBB2BA\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.2\",\"versionEndExcluding\":\"6.6.140\",\"matchCriteriaId\":\"A1A92866-F406-43B5-B2D1-CFC274753E9D\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.7\",\"versionEndExcluding\":\"6.12.86\",\"matchCriteriaId\":\"55DA1C62-9991-451E-B8A8-E0004E00F789\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.13\",\"versionEndExcluding\":\"6.18.27\",\"matchCriteriaId\":\"A10AC84F-C058-47D5-85B4-E6E51A613B74\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.19\",\"versionEndExcluding\":\"7.0.4\",\"matchCriteriaId\":\"CDB78D6D-22C3-4154-B0D0-94AF1CE5C2E3\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:2.6.12:-:*:*:*:*:*:*\",\"matchCriteriaId\":\"6F62EECE-8FB1-4D57-85D8-CB9E23CF313C\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:2.6.12:rc2:*:*:*:*:*:*\",\"matchCriteriaId\":\"4F76C298-81DC-43E4-8FC9-DC005A2116EF\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:2.6.12:rc3:*:*:*:*:*:*\",\"matchCriteriaId\":\"0AB349B2-3F78-4197-882B-90ADB3BF645A\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:2.6.12:rc4:*:*:*:*:*:*\",\"matchCriteriaId\":\"6AC88830-A9BC-4607-B572-A4B502FC9FD0\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:2.6.12:rc5:*:*:*:*:*:*\",\"matchCriteriaId\":\"476CB3A5-D022-4F13-AAEF-CB6A5785516A\"}]}]}],\"references\":[{\"url\":\"https://git.kernel.org/stable/c/1b80cf48bcf0e1937af9cd6c7beb188762bbf7c5\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/25947cc5b2374cd5bf627fe3141496444260d04f\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/2dde6377ab2e46bb80cf066c659ef016f3ad7a9b\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/32e0b925572686399243834ec99e2a9d85c62eae\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/470264bbec499e276a89a6431144ae58f411ea4d\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/9e2d67fb2b73eeff8b601e26b332128eae8147bb\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/a69a0c5156b6f0092b9fcf44517f5831a962de2d\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/d3af04a43db86379df7438bf8bade71685b8a239\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]}]}}",
    "redhat_vex": {
      "aggregate_severity": "Low",
      "current_release_date": "2026-06-28T07:40:33+00:00",
      "cve": "CVE-2026-46002",
      "id": "CVE-2026-46002",
      "initial_release_date": "2026-05-27T00:00:00+00:00",
      "product_status:known_affected": "14",
      "product_status:known_not_affected": "260",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: ext2: reject inodes with zero i_nlink and valid mode in ext2_iget()",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-46002.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "moderate",
      "current_release_date": "2026-06-26T02:16:38Z",
      "cve": "CVE-2026-46002",
      "id": "CVE-2026-46002",
      "initial_release_date": "2026-05-28T03:54:35Z",
      "product_status:known_affected": "61",
      "product_status:known_not_affected": "230",
      "product_status:recommended": "4",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2026-46002",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2026-46002.json",
      "version": "7"
    }
  }
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.