{
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        "references": [
          {
            "url": "https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html"
          }
        ],
        "title": "CVE Program Container"
      },
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        "metrics": [
          {
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              "content": {
                "id": "CVE-2025-39883",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
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                  }
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                "role": "CISA Coordinator",
                "timestamp": "2026-06-10T20:41:38.238559Z",
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          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
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          "product": "Linux",
          "programFiles": [
            "mm/memory-failure.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
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              "status": "affected",
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              "versionType": "git"
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          "product": "Linux",
          "programFiles": [
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          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
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              "version": "4.13"
            },
            {
              "lessThan": "4.13",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
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            {
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              "status": "unaffected",
              "version": "5.4.300",
              "versionType": "semver"
            },
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              "status": "unaffected",
              "version": "5.10.245",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.15.*",
              "status": "unaffected",
              "version": "5.15.194",
              "versionType": "semver"
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              "version": "6.1.153",
              "versionType": "semver"
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              "versionType": "semver"
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              "status": "unaffected",
              "version": "6.16.8",
              "versionType": "semver"
            },
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              "lessThanOrEqual": "*",
              "status": "unaffected",
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              "versionType": "original_commit_for_fix"
            }
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      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.4.300",
                  "versionStartIncluding": "4.13",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.10.245",
                  "versionStartIncluding": "4.13",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.15.194",
                  "versionStartIncluding": "4.13",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.1.153",
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                  "vulnerable": true
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                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.6.107",
                  "versionStartIncluding": "4.13",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.12.48",
                  "versionStartIncluding": "4.13",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.16.8",
                  "versionStartIncluding": "4.13",
                  "vulnerable": true
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                {
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                  "versionEndExcluding": "6.17",
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              "negate": false,
              "operator": "OR"
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      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmm/memory-failure: fix VM_BUG_ON_PAGE(PagePoisoned(page)) when unpoison memory\n\nWhen I did memory failure tests, below panic occurs:\n\npage dumped because: VM_BUG_ON_PAGE(PagePoisoned(page))\nkernel BUG at include/linux/page-flags.h:616!\nOops: invalid opcode: 0000 [#1] PREEMPT SMP NOPTI\nCPU: 3 PID: 720 Comm: bash Not tainted 6.10.0-rc1-00195-g148743902568 #40\nRIP: 0010:unpoison_memory+0x2f3/0x590\nRSP: 0018:ffffa57fc8787d60 EFLAGS: 00000246\nRAX: 0000000000000037 RBX: 0000000000000009 RCX: ffff9be25fcdc9c8\nRDX: 0000000000000000 RSI: 0000000000000027 RDI: ffff9be25fcdc9c0\nRBP: 0000000000300000 R08: ffffffffb4956f88 R09: 0000000000009ffb\nR10: 0000000000000284 R11: ffffffffb4926fa0 R12: ffffe6b00c000000\nR13: ffff9bdb453dfd00 R14: 0000000000000000 R15: fffffffffffffffe\nFS:  00007f08f04e4740(0000) GS:ffff9be25fcc0000(0000) knlGS:0000000000000000\nCS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033\nCR2: 0000564787a30410 CR3: 000000010d4e2000 CR4: 00000000000006f0\nCall Trace:\n \u003cTASK\u003e\n unpoison_memory+0x2f3/0x590\n simple_attr_write_xsigned.constprop.0.isra.0+0xb3/0x110\n debugfs_attr_write+0x42/0x60\n full_proxy_write+0x5b/0x80\n vfs_write+0xd5/0x540\n ksys_write+0x64/0xe0\n do_syscall_64+0xb9/0x1d0\n entry_SYSCALL_64_after_hwframe+0x77/0x7f\nRIP: 0033:0x7f08f0314887\nRSP: 002b:00007ffece710078 EFLAGS: 00000246 ORIG_RAX: 0000000000000001\nRAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007f08f0314887\nRDX: 0000000000000009 RSI: 0000564787a30410 RDI: 0000000000000001\nRBP: 0000564787a30410 R08: 000000000000fefe R09: 000000007fffffff\nR10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000009\nR13: 00007f08f041b780 R14: 00007f08f0417600 R15: 00007f08f0416a00\n \u003c/TASK\u003e\nModules linked in: hwpoison_inject\n---[ end trace 0000000000000000 ]---\nRIP: 0010:unpoison_memory+0x2f3/0x590\nRSP: 0018:ffffa57fc8787d60 EFLAGS: 00000246\nRAX: 0000000000000037 RBX: 0000000000000009 RCX: ffff9be25fcdc9c8\nRDX: 0000000000000000 RSI: 0000000000000027 RDI: ffff9be25fcdc9c0\nRBP: 0000000000300000 R08: ffffffffb4956f88 R09: 0000000000009ffb\nR10: 0000000000000284 R11: ffffffffb4926fa0 R12: ffffe6b00c000000\nR13: ffff9bdb453dfd00 R14: 0000000000000000 R15: fffffffffffffffe\nFS:  00007f08f04e4740(0000) GS:ffff9be25fcc0000(0000) knlGS:0000000000000000\nCS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033\nCR2: 0000564787a30410 CR3: 000000010d4e2000 CR4: 00000000000006f0\nKernel panic - not syncing: Fatal exception\nKernel Offset: 0x31c00000 from 0xffffffff81000000 (relocation range: 0xffffffff80000000-0xffffffffbfffffff)\n---[ end Kernel panic - not syncing: Fatal exception ]---\n\nThe root cause is that unpoison_memory() tries to check the PG_HWPoison\nflags of an uninitialized page.  So VM_BUG_ON_PAGE(PagePoisoned(page)) is\ntriggered.  This can be reproduced by below steps:\n\n1.Offline memory block:\n\n echo offline \u003e /sys/devices/system/memory/memory12/state\n\n2.Get offlined memory pfn:\n\n page-types -b n -rlN\n\n3.Write pfn to unpoison-pfn\n\n echo \u003cpfn\u003e \u003e /sys/kernel/debug/hwpoison/unpoison-pfn\n\nThis scenario can be identified by pfn_to_online_page() returning NULL. \nAnd ZONE_DEVICE pages are never expected, so we can simply fail if\npfn_to_online_page() == NULL to fix the bug."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-05-11T21:38:16.305Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/8e01ea186a52c90694c08a9ff57bea1b0e78256a"
        },
        {
          "url": "https://git.kernel.org/stable/c/fb65803ccff37cf9123c50c1c02efd1ed73c4ed5"
        },
        {
          "url": "https://git.kernel.org/stable/c/99f7048957f5ae3cee1c01189147e73a9a96de02"
        },
        {
          "url": "https://git.kernel.org/stable/c/e4ec6def5643a1c9511115b3884eb879572294c6"
        },
        {
          "url": "https://git.kernel.org/stable/c/3d278e89c2ea62b1aaa4b0d8a9766a35b3a3164a"
        },
        {
          "url": "https://git.kernel.org/stable/c/7618fd443aa4cfa553a64cacf5721581653ee7b0"
        },
        {
          "url": "https://git.kernel.org/stable/c/63a327a2375a8ce7a47dec5aaa4d8a9ae0a00b96"
        },
        {
          "url": "https://git.kernel.org/stable/c/d613f53c83ec47089c4e25859d5e8e0359f6f8da"
        }
      ],
      "title": "mm/memory-failure: fix VM_BUG_ON_PAGE(PagePoisoned(page)) when unpoison memory",
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        "engine": "bippy-1.2.0"
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  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2025-39883",
    "datePublished": "2025-09-23T06:00:51.548Z",
    "dateReserved": "2025-04-16T07:20:57.144Z",
    "dateUpdated": "2026-06-11T18:44:14.568Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2025-39883",
      "date": "2026-07-02",
      "epss": "0.00143",
      "percentile": "0.0393"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2025-39883\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2025-09-23T06:15:48.087\",\"lastModified\":\"2026-06-17T09:18:44.483\",\"vulnStatus\":\"Analyzed\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nmm/memory-failure: fix VM_BUG_ON_PAGE(PagePoisoned(page)) when unpoison memory\\n\\nWhen I did memory failure tests, below panic occurs:\\n\\npage dumped because: VM_BUG_ON_PAGE(PagePoisoned(page))\\nkernel BUG at include/linux/page-flags.h:616!\\nOops: invalid opcode: 0000 [#1] PREEMPT SMP NOPTI\\nCPU: 3 PID: 720 Comm: bash Not tainted 6.10.0-rc1-00195-g148743902568 #40\\nRIP: 0010:unpoison_memory+0x2f3/0x590\\nRSP: 0018:ffffa57fc8787d60 EFLAGS: 00000246\\nRAX: 0000000000000037 RBX: 0000000000000009 RCX: ffff9be25fcdc9c8\\nRDX: 0000000000000000 RSI: 0000000000000027 RDI: ffff9be25fcdc9c0\\nRBP: 0000000000300000 R08: ffffffffb4956f88 R09: 0000000000009ffb\\nR10: 0000000000000284 R11: ffffffffb4926fa0 R12: ffffe6b00c000000\\nR13: ffff9bdb453dfd00 R14: 0000000000000000 R15: fffffffffffffffe\\nFS:  00007f08f04e4740(0000) GS:ffff9be25fcc0000(0000) knlGS:0000000000000000\\nCS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033\\nCR2: 0000564787a30410 CR3: 000000010d4e2000 CR4: 00000000000006f0\\nCall Trace:\\n \u003cTASK\u003e\\n unpoison_memory+0x2f3/0x590\\n simple_attr_write_xsigned.constprop.0.isra.0+0xb3/0x110\\n debugfs_attr_write+0x42/0x60\\n full_proxy_write+0x5b/0x80\\n vfs_write+0xd5/0x540\\n ksys_write+0x64/0xe0\\n do_syscall_64+0xb9/0x1d0\\n entry_SYSCALL_64_after_hwframe+0x77/0x7f\\nRIP: 0033:0x7f08f0314887\\nRSP: 002b:00007ffece710078 EFLAGS: 00000246 ORIG_RAX: 0000000000000001\\nRAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007f08f0314887\\nRDX: 0000000000000009 RSI: 0000564787a30410 RDI: 0000000000000001\\nRBP: 0000564787a30410 R08: 000000000000fefe R09: 000000007fffffff\\nR10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000009\\nR13: 00007f08f041b780 R14: 00007f08f0417600 R15: 00007f08f0416a00\\n \u003c/TASK\u003e\\nModules linked in: hwpoison_inject\\n---[ end trace 0000000000000000 ]---\\nRIP: 0010:unpoison_memory+0x2f3/0x590\\nRSP: 0018:ffffa57fc8787d60 EFLAGS: 00000246\\nRAX: 0000000000000037 RBX: 0000000000000009 RCX: ffff9be25fcdc9c8\\nRDX: 0000000000000000 RSI: 0000000000000027 RDI: ffff9be25fcdc9c0\\nRBP: 0000000000300000 R08: ffffffffb4956f88 R09: 0000000000009ffb\\nR10: 0000000000000284 R11: ffffffffb4926fa0 R12: ffffe6b00c000000\\nR13: ffff9bdb453dfd00 R14: 0000000000000000 R15: fffffffffffffffe\\nFS:  00007f08f04e4740(0000) GS:ffff9be25fcc0000(0000) knlGS:0000000000000000\\nCS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033\\nCR2: 0000564787a30410 CR3: 000000010d4e2000 CR4: 00000000000006f0\\nKernel panic - not syncing: Fatal exception\\nKernel Offset: 0x31c00000 from 0xffffffff81000000 (relocation range: 0xffffffff80000000-0xffffffffbfffffff)\\n---[ end Kernel panic - not syncing: Fatal exception ]---\\n\\nThe root cause is that unpoison_memory() tries to check the PG_HWPoison\\nflags of an uninitialized page.  So VM_BUG_ON_PAGE(PagePoisoned(page)) is\\ntriggered.  This can be reproduced by below steps:\\n\\n1.Offline memory block:\\n\\n echo offline \u003e /sys/devices/system/memory/memory12/state\\n\\n2.Get offlined memory pfn:\\n\\n page-types -b n -rlN\\n\\n3.Write pfn to unpoison-pfn\\n\\n echo \u003cpfn\u003e \u003e /sys/kernel/debug/hwpoison/unpoison-pfn\\n\\nThis scenario can be identified by pfn_to_online_page() returning NULL. \\nAnd ZONE_DEVICE pages are never expected, so we can simply fail if\\npfn_to_online_page() == NULL to fix the bug.\"}],\"affected\":[{\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"affectedData\":[{\"vendor\":\"Linux\",\"product\":\"Linux\",\"defaultStatus\":\"unaffected\",\"programFiles\":[\"mm/memory-failure.c\"],\"repo\":\"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\"versions\":[{\"version\":\"f1dd2cd13c4bbbc9a7c4617b3b034fa643de98fe\",\"lessThan\":\"8e01ea186a52c90694c08a9ff57bea1b0e78256a\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"f1dd2cd13c4bbbc9a7c4617b3b034fa643de98fe\",\"lessThan\":\"fb65803ccff37cf9123c50c1c02efd1ed73c4ed5\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"f1dd2cd13c4bbbc9a7c4617b3b034fa643de98fe\",\"lessThan\":\"99f7048957f5ae3cee1c01189147e73a9a96de02\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"f1dd2cd13c4bbbc9a7c4617b3b034fa643de98fe\",\"lessThan\":\"e4ec6def5643a1c9511115b3884eb879572294c6\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"f1dd2cd13c4bbbc9a7c4617b3b034fa643de98fe\",\"lessThan\":\"3d278e89c2ea62b1aaa4b0d8a9766a35b3a3164a\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"f1dd2cd13c4bbbc9a7c4617b3b034fa643de98fe\",\"lessThan\":\"7618fd443aa4cfa553a64cacf5721581653ee7b0\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"f1dd2cd13c4bbbc9a7c4617b3b034fa643de98fe\",\"lessThan\":\"63a327a2375a8ce7a47dec5aaa4d8a9ae0a00b96\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"f1dd2cd13c4bbbc9a7c4617b3b034fa643de98fe\",\"lessThan\":\"d613f53c83ec47089c4e25859d5e8e0359f6f8da\",\"versionType\":\"git\",\"status\":\"affected\"}]},{\"vendor\":\"Linux\",\"product\":\"Linux\",\"defaultStatus\":\"affected\",\"programFiles\":[\"mm/memory-failure.c\"],\"repo\":\"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\"versions\":[{\"version\":\"4.13\",\"status\":\"affected\"},{\"version\":\"0\",\"lessThan\":\"4.13\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"5.4.300\",\"lessThanOrEqual\":\"5.4.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"5.10.245\",\"lessThanOrEqual\":\"5.10.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"5.15.194\",\"lessThanOrEqual\":\"5.15.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.1.153\",\"lessThanOrEqual\":\"6.1.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.6.107\",\"lessThanOrEqual\":\"6.6.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.12.48\",\"lessThanOrEqual\":\"6.12.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.16.8\",\"lessThanOrEqual\":\"6.16.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.17\",\"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:H/I:N/A:H\",\"baseScore\":7.1,\"baseSeverity\":\"HIGH\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":1.8,\"impactScore\":5.2}],\"ssvcV203\":[{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"ssvcData\":{\"timestamp\":\"2026-06-10T20:41:38.238559Z\",\"id\":\"CVE-2025-39883\",\"options\":[{\"exploitation\":\"none\"},{\"automatable\":\"no\"},{\"technicalImpact\":\"partial\"}],\"role\":\"CISA 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{\"status\": \"affected\", \"version\": \"f1dd2cd13c4bbbc9a7c4617b3b034fa643de98fe\", \"lessThan\": \"7618fd443aa4cfa553a64cacf5721581653ee7b0\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"f1dd2cd13c4bbbc9a7c4617b3b034fa643de98fe\", \"lessThan\": \"63a327a2375a8ce7a47dec5aaa4d8a9ae0a00b96\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"f1dd2cd13c4bbbc9a7c4617b3b034fa643de98fe\", \"lessThan\": \"d613f53c83ec47089c4e25859d5e8e0359f6f8da\", \"versionType\": \"git\"}], \"programFiles\": [\"mm/memory-failure.c\"], \"defaultStatus\": \"unaffected\"}, {\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"4.13\"}, {\"status\": \"unaffected\", \"version\": \"0\", \"lessThan\": \"4.13\", \"versionType\": \"semver\"}, {\"status\": \"unaffected\", \"version\": \"5.4.300\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"5.4.*\"}, {\"status\": \"unaffected\", \"version\": \"5.10.245\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"5.10.*\"}, {\"status\": \"unaffected\", \"version\": \"5.15.194\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"5.15.*\"}, {\"status\": \"unaffected\", \"version\": \"6.1.153\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.1.*\"}, {\"status\": \"unaffected\", \"version\": \"6.6.107\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.6.*\"}, {\"status\": \"unaffected\", \"version\": \"6.12.48\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.12.*\"}, {\"status\": \"unaffected\", \"version\": \"6.16.8\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.16.*\"}, {\"status\": \"unaffected\", \"version\": \"6.17\", \"versionType\": \"original_commit_for_fix\", \"lessThanOrEqual\": \"*\"}], \"programFiles\": [\"mm/memory-failure.c\"], \"defaultStatus\": \"affected\"}], \"references\": [{\"url\": 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panic occurs:\\n\\npage dumped because: VM_BUG_ON_PAGE(PagePoisoned(page))\\nkernel BUG at include/linux/page-flags.h:616!\\nOops: invalid opcode: 0000 [#1] PREEMPT SMP NOPTI\\nCPU: 3 PID: 720 Comm: bash Not tainted 6.10.0-rc1-00195-g148743902568 #40\\nRIP: 0010:unpoison_memory+0x2f3/0x590\\nRSP: 0018:ffffa57fc8787d60 EFLAGS: 00000246\\nRAX: 0000000000000037 RBX: 0000000000000009 RCX: ffff9be25fcdc9c8\\nRDX: 0000000000000000 RSI: 0000000000000027 RDI: ffff9be25fcdc9c0\\nRBP: 0000000000300000 R08: ffffffffb4956f88 R09: 0000000000009ffb\\nR10: 0000000000000284 R11: ffffffffb4926fa0 R12: ffffe6b00c000000\\nR13: ffff9bdb453dfd00 R14: 0000000000000000 R15: fffffffffffffffe\\nFS:  00007f08f04e4740(0000) GS:ffff9be25fcc0000(0000) knlGS:0000000000000000\\nCS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033\\nCR2: 0000564787a30410 CR3: 000000010d4e2000 CR4: 00000000000006f0\\nCall Trace:\\n \u003cTASK\u003e\\n unpoison_memory+0x2f3/0x590\\n simple_attr_write_xsigned.constprop.0.isra.0+0xb3/0x110\\n debugfs_attr_write+0x42/0x60\\n full_proxy_write+0x5b/0x80\\n vfs_write+0xd5/0x540\\n ksys_write+0x64/0xe0\\n do_syscall_64+0xb9/0x1d0\\n entry_SYSCALL_64_after_hwframe+0x77/0x7f\\nRIP: 0033:0x7f08f0314887\\nRSP: 002b:00007ffece710078 EFLAGS: 00000246 ORIG_RAX: 0000000000000001\\nRAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007f08f0314887\\nRDX: 0000000000000009 RSI: 0000564787a30410 RDI: 0000000000000001\\nRBP: 0000564787a30410 R08: 000000000000fefe R09: 000000007fffffff\\nR10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000009\\nR13: 00007f08f041b780 R14: 00007f08f0417600 R15: 00007f08f0416a00\\n \u003c/TASK\u003e\\nModules linked in: hwpoison_inject\\n---[ end trace 0000000000000000 ]---\\nRIP: 0010:unpoison_memory+0x2f3/0x590\\nRSP: 0018:ffffa57fc8787d60 EFLAGS: 00000246\\nRAX: 0000000000000037 RBX: 0000000000000009 RCX: ffff9be25fcdc9c8\\nRDX: 0000000000000000 RSI: 0000000000000027 RDI: ffff9be25fcdc9c0\\nRBP: 0000000000300000 R08: ffffffffb4956f88 R09: 0000000000009ffb\\nR10: 0000000000000284 R11: ffffffffb4926fa0 R12: ffffe6b00c000000\\nR13: ffff9bdb453dfd00 R14: 0000000000000000 R15: fffffffffffffffe\\nFS:  00007f08f04e4740(0000) GS:ffff9be25fcc0000(0000) knlGS:0000000000000000\\nCS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033\\nCR2: 0000564787a30410 CR3: 000000010d4e2000 CR4: 00000000000006f0\\nKernel panic - not syncing: Fatal exception\\nKernel Offset: 0x31c00000 from 0xffffffff81000000 (relocation range: 0xffffffff80000000-0xffffffffbfffffff)\\n---[ end Kernel panic - not syncing: Fatal exception ]---\\n\\nThe root cause is that unpoison_memory() tries to check the PG_HWPoison\\nflags of an uninitialized page.  So VM_BUG_ON_PAGE(PagePoisoned(page)) is\\ntriggered.  This can be reproduced by below steps:\\n\\n1.Offline memory block:\\n\\n echo offline \u003e /sys/devices/system/memory/memory12/state\\n\\n2.Get offlined memory pfn:\\n\\n page-types -b n -rlN\\n\\n3.Write pfn to unpoison-pfn\\n\\n echo \u003cpfn\u003e \u003e /sys/kernel/debug/hwpoison/unpoison-pfn\\n\\nThis scenario can be identified by pfn_to_online_page() returning NULL. \\nAnd ZONE_DEVICE pages are never expected, so we can simply fail if\\npfn_to_online_page() == NULL to fix the bug.\"}], \"cpeApplicability\": [{\"nodes\": [{\"negate\": false, \"cpeMatch\": [{\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.4.300\", \"versionStartIncluding\": \"4.13\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.10.245\", \"versionStartIncluding\": \"4.13\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.15.194\", \"versionStartIncluding\": \"4.13\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.1.153\", \"versionStartIncluding\": \"4.13\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.6.107\", \"versionStartIncluding\": \"4.13\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.12.48\", \"versionStartIncluding\": \"4.13\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.16.8\", \"versionStartIncluding\": \"4.13\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.17\", \"versionStartIncluding\": \"4.13\"}], \"operator\": \"OR\"}]}], \"providerMetadata\": {\"orgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"shortName\": \"Linux\", \"dateUpdated\": \"2026-05-11T21:38:16.305Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2025-39883\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-06-11T18:44:14.568Z\", \"dateReserved\": \"2025-04-16T07:20:57.144Z\", \"assignerOrgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"datePublished\": \"2025-09-23T06:00:51.548Z\", \"assignerShortName\": \"Linux\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
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  }
}