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CVE-2024-57923 (GCVE-0-2024-57923)

Vulnerability from cvelistv5 – Published: 2025-01-19 11:52 – Updated: 2026-05-11 21:00
VLAI
Title
btrfs: zlib: fix avail_in bytes for s390 zlib HW compression path
Summary
In the Linux kernel, the following vulnerability has been resolved: btrfs: zlib: fix avail_in bytes for s390 zlib HW compression path Since the input data length passed to zlib_compress_folios() can be arbitrary, always setting strm.avail_in to a multiple of PAGE_SIZE may cause read-in bytes to exceed the input range. Currently this triggers an assert in btrfs_compress_folios() on the debug kernel (see below). Fix strm.avail_in calculation for S390 hardware acceleration path. assertion failed: *total_in <= orig_len, in fs/btrfs/compression.c:1041 ------------[ cut here ]------------ kernel BUG at fs/btrfs/compression.c:1041! monitor event: 0040 ilc:2 [#1] PREEMPT SMP CPU: 16 UID: 0 PID: 325 Comm: kworker/u273:3 Not tainted 6.13.0-20241204.rc1.git6.fae3b21430ca.300.fc41.s390x+debug #1 Hardware name: IBM 3931 A01 703 (z/VM 7.4.0) Workqueue: btrfs-delalloc btrfs_work_helper Krnl PSW : 0704d00180000000 0000021761df6538 (btrfs_compress_folios+0x198/0x1a0) R:0 T:1 IO:1 EX:1 Key:0 M:1 W:0 P:0 AS:3 CC:1 PM:0 RI:0 EA:3 Krnl GPRS: 0000000080000000 0000000000000001 0000000000000047 0000000000000000 0000000000000006 ffffff01757bb000 000001976232fcc0 000000000000130c 000001976232fcd0 000001976232fcc8 00000118ff4a0e30 0000000000000001 00000111821ab400 0000011100000000 0000021761df6534 000001976232fb58 Krnl Code: 0000021761df6528: c020006f5ef4 larl %r2,0000021762be2310 0000021761df652e: c0e5ffbd09d5 brasl %r14,00000217615978d8 #0000021761df6534: af000000 mc 0,0 >0000021761df6538: 0707 bcr 0,%r7 0000021761df653a: 0707 bcr 0,%r7 0000021761df653c: 0707 bcr 0,%r7 0000021761df653e: 0707 bcr 0,%r7 0000021761df6540: c004004bb7ec brcl 0,000002176276d518 Call Trace: [<0000021761df6538>] btrfs_compress_folios+0x198/0x1a0 ([<0000021761df6534>] btrfs_compress_folios+0x194/0x1a0) [<0000021761d97788>] compress_file_range+0x3b8/0x6d0 [<0000021761dcee7c>] btrfs_work_helper+0x10c/0x160 [<0000021761645760>] process_one_work+0x2b0/0x5d0 [<000002176164637e>] worker_thread+0x20e/0x3e0 [<000002176165221a>] kthread+0x15a/0x170 [<00000217615b859c>] __ret_from_fork+0x3c/0x60 [<00000217626e72d2>] ret_from_fork+0xa/0x38 INFO: lockdep is turned off. Last Breaking-Event-Address: [<0000021761597924>] _printk+0x4c/0x58 Kernel panic - not syncing: Fatal exception: panic_on_oops
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 CPE status
Linux Linux Affected: fd1e75d0105d2289e24b6d63cee49e6f7952c8bf , < 25adbb08aeadcff883ab801df99fd20fefbb6ca4 (git)
Affected: fd1e75d0105d2289e24b6d63cee49e6f7952c8bf , < 0ee4736c003daded513de0ff112d4a1e9c85bbab (git)
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Linux Linux Affected: 6.12
Unaffected: 0 , < 6.12 (semver)
Unaffected: 6.12.10 , ≤ 6.12.* (semver)
Unaffected: 6.13 , ≤ * (original_commit_for_fix)
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{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "fs/btrfs/zlib.c"
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          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
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              "status": "affected",
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          "vendor": "Linux",
          "versions": [
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              "status": "unaffected",
              "version": "6.13",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
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      "cpeApplicability": [
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                  "vulnerable": true
                },
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      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nbtrfs: zlib: fix avail_in bytes for s390 zlib HW compression path\n\nSince the input data length passed to zlib_compress_folios() can be\narbitrary, always setting strm.avail_in to a multiple of PAGE_SIZE may\ncause read-in bytes to exceed the input range. Currently this triggers\nan assert in btrfs_compress_folios() on the debug kernel (see below).\nFix strm.avail_in calculation for S390 hardware acceleration path.\n\n  assertion failed: *total_in \u003c= orig_len, in fs/btrfs/compression.c:1041\n  ------------[ cut here ]------------\n  kernel BUG at fs/btrfs/compression.c:1041!\n  monitor event: 0040 ilc:2 [#1] PREEMPT SMP\n  CPU: 16 UID: 0 PID: 325 Comm: kworker/u273:3 Not tainted 6.13.0-20241204.rc1.git6.fae3b21430ca.300.fc41.s390x+debug #1\n  Hardware name: IBM 3931 A01 703 (z/VM 7.4.0)\n  Workqueue: btrfs-delalloc btrfs_work_helper\n  Krnl PSW : 0704d00180000000 0000021761df6538 (btrfs_compress_folios+0x198/0x1a0)\n             R:0 T:1 IO:1 EX:1 Key:0 M:1 W:0 P:0 AS:3 CC:1 PM:0 RI:0 EA:3\n  Krnl GPRS: 0000000080000000 0000000000000001 0000000000000047 0000000000000000\n             0000000000000006 ffffff01757bb000 000001976232fcc0 000000000000130c\n             000001976232fcd0 000001976232fcc8 00000118ff4a0e30 0000000000000001\n             00000111821ab400 0000011100000000 0000021761df6534 000001976232fb58\n  Krnl Code: 0000021761df6528: c020006f5ef4        larl    %r2,0000021762be2310\n             0000021761df652e: c0e5ffbd09d5        brasl   %r14,00000217615978d8\n            #0000021761df6534: af000000            mc      0,0\n            \u003e0000021761df6538: 0707                bcr     0,%r7\n             0000021761df653a: 0707                bcr     0,%r7\n             0000021761df653c: 0707                bcr     0,%r7\n             0000021761df653e: 0707                bcr     0,%r7\n             0000021761df6540: c004004bb7ec        brcl    0,000002176276d518\n  Call Trace:\n   [\u003c0000021761df6538\u003e] btrfs_compress_folios+0x198/0x1a0\n  ([\u003c0000021761df6534\u003e] btrfs_compress_folios+0x194/0x1a0)\n   [\u003c0000021761d97788\u003e] compress_file_range+0x3b8/0x6d0\n   [\u003c0000021761dcee7c\u003e] btrfs_work_helper+0x10c/0x160\n   [\u003c0000021761645760\u003e] process_one_work+0x2b0/0x5d0\n   [\u003c000002176164637e\u003e] worker_thread+0x20e/0x3e0\n   [\u003c000002176165221a\u003e] kthread+0x15a/0x170\n   [\u003c00000217615b859c\u003e] __ret_from_fork+0x3c/0x60\n   [\u003c00000217626e72d2\u003e] ret_from_fork+0xa/0x38\n  INFO: lockdep is turned off.\n  Last Breaking-Event-Address:\n   [\u003c0000021761597924\u003e] _printk+0x4c/0x58\n  Kernel panic - not syncing: Fatal exception: panic_on_oops"
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-05-11T21:00:39.423Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/25adbb08aeadcff883ab801df99fd20fefbb6ca4"
        },
        {
          "url": "https://git.kernel.org/stable/c/0ee4736c003daded513de0ff112d4a1e9c85bbab"
        }
      ],
      "title": "btrfs: zlib: fix avail_in bytes for s390 zlib HW compression path",
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        "engine": "bippy-1.2.0"
      }
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  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2024-57923",
    "datePublished": "2025-01-19T11:52:41.798Z",
    "dateReserved": "2025-01-19T11:50:08.376Z",
    "dateUpdated": "2026-05-11T21:00:39.423Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2024-57923",
      "date": "2026-09-16",
      "epss": "0.00213",
      "percentile": "0.11799"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2024-57923\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2025-01-19T12:15:26.433\",\"lastModified\":\"2026-06-17T08:14:14.547\",\"vulnStatus\":\"Analyzed\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nbtrfs: zlib: fix avail_in bytes for s390 zlib HW compression path\\n\\nSince the input data length passed to zlib_compress_folios() can be\\narbitrary, always setting strm.avail_in to a multiple of PAGE_SIZE may\\ncause read-in bytes to exceed the input range. Currently this triggers\\nan assert in btrfs_compress_folios() on the debug kernel (see below).\\nFix strm.avail_in calculation for S390 hardware acceleration path.\\n\\n  assertion failed: *total_in \u003c= orig_len, in fs/btrfs/compression.c:1041\\n  ------------[ cut here ]------------\\n  kernel BUG at fs/btrfs/compression.c:1041!\\n  monitor event: 0040 ilc:2 [#1] PREEMPT SMP\\n  CPU: 16 UID: 0 PID: 325 Comm: kworker/u273:3 Not tainted 6.13.0-20241204.rc1.git6.fae3b21430ca.300.fc41.s390x+debug #1\\n  Hardware name: IBM 3931 A01 703 (z/VM 7.4.0)\\n  Workqueue: btrfs-delalloc btrfs_work_helper\\n  Krnl PSW : 0704d00180000000 0000021761df6538 (btrfs_compress_folios+0x198/0x1a0)\\n             R:0 T:1 IO:1 EX:1 Key:0 M:1 W:0 P:0 AS:3 CC:1 PM:0 RI:0 EA:3\\n  Krnl GPRS: 0000000080000000 0000000000000001 0000000000000047 0000000000000000\\n             0000000000000006 ffffff01757bb000 000001976232fcc0 000000000000130c\\n             000001976232fcd0 000001976232fcc8 00000118ff4a0e30 0000000000000001\\n             00000111821ab400 0000011100000000 0000021761df6534 000001976232fb58\\n  Krnl Code: 0000021761df6528: c020006f5ef4        larl    %r2,0000021762be2310\\n             0000021761df652e: c0e5ffbd09d5        brasl   %r14,00000217615978d8\\n            #0000021761df6534: af000000            mc      0,0\\n            \u003e0000021761df6538: 0707                bcr     0,%r7\\n             0000021761df653a: 0707                bcr     0,%r7\\n             0000021761df653c: 0707                bcr     0,%r7\\n             0000021761df653e: 0707                bcr     0,%r7\\n             0000021761df6540: c004004bb7ec        brcl    0,000002176276d518\\n  Call Trace:\\n   [\u003c0000021761df6538\u003e] btrfs_compress_folios+0x198/0x1a0\\n  ([\u003c0000021761df6534\u003e] btrfs_compress_folios+0x194/0x1a0)\\n   [\u003c0000021761d97788\u003e] compress_file_range+0x3b8/0x6d0\\n   [\u003c0000021761dcee7c\u003e] btrfs_work_helper+0x10c/0x160\\n   [\u003c0000021761645760\u003e] process_one_work+0x2b0/0x5d0\\n   [\u003c000002176164637e\u003e] worker_thread+0x20e/0x3e0\\n   [\u003c000002176165221a\u003e] kthread+0x15a/0x170\\n   [\u003c00000217615b859c\u003e] __ret_from_fork+0x3c/0x60\\n   [\u003c00000217626e72d2\u003e] ret_from_fork+0xa/0x38\\n  INFO: lockdep is turned off.\\n  Last Breaking-Event-Address:\\n   [\u003c0000021761597924\u003e] _printk+0x4c/0x58\\n  Kernel panic - not syncing: Fatal exception: panic_on_oops\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: btrfs: zlib: arregla los bytes avail_in para la ruta de compresi\u00f3n de hardware zlib s390 Dado que la longitud de los datos de entrada que se pasan a zlib_compress_folios() puede ser arbitraria, configurar siempre strm.avail_in como un m\u00faltiplo de PAGE_SIZE puede provocar que los bytes de lectura superen el rango de entrada. Actualmente, esto activa una afirmaci\u00f3n en btrfs_compress_folios() en el kernel de depuraci\u00f3n (ver a continuaci\u00f3n). Arregla el c\u00e1lculo de strm.avail_in para la ruta de aceleraci\u00f3n de hardware S390. La afirmaci\u00f3n fall\u00f3: *total_in \u0026lt;= orig_len, en fs/btrfs/compression.c:1041 ------------[ corte aqu\u00ed ]------------ \u00a1ERROR del kernel en fs/btrfs/compression.c:1041! Evento de monitor: 0040 ilc:2 [#1] PREEMPT SMP CPU: 16 UID: 0 PID: 325 Comm: kworker/u273:3 No contaminado 6.13.0-20241204.rc1.git6.fae3b21430ca.300.fc41.s390x+debug #1 Nombre de hardware: IBM 3931 A01 703 (z/VM 7.4.0) Cola de trabajo: btrfs-delalloc btrfs_work_helper Krnl PSW: 0704d00180000000 0000021761df6538 (btrfs_compress_folios+0x198/0x1a0) R:0 T:1 IO:1 EX:1 Clave:0 M:1 W:0 P:0 AS:3 CC:1 PM:0 RI:0 EA:3 Krnl GPRS: 0000000080000000 0000000000000001 0000000000000047 0000000000000000 000000000000006 ffffff01757bb000 000001976232fcc0 000000000000130c 000001976232fcd0 000001976232fcc8 00000118ff4a0e30 0000000000000001 00000111821ab400 0000011100000000 0000021761df6534 000001976232fb58 C\u00f3digo Krnl: 0000021761df6528: c020006f5ef4 larl %r2,0000021762be2310 0000021761df652e: c0e5ffbd09d5 brasl %r14,00000217615978d8 #0000021761df6534: af000000 mc 0,0 \u0026gt;0000021761df6538: 0707 bcr 0,%r7 0000021761df653a: 0707 bcr 0,%r7 0000021761df653c: 0707 bcr 0,%r7 0000021761df653e: 0707 bcr 0,%r7 0000021761df6540: c004004bb7ec brcl 0,000002176276d518 Seguimiento de llamadas: [\u0026lt;0000021761df6538\u0026gt;] btrfs_compress_folios+0x198/0x1a0 ([\u0026lt;0000021761df6534\u0026gt;] btrfs_compress_folios+0x194/0x1a0) [\u0026lt;0000021761d97788\u0026gt;] rango_archivo_comprimir+0x3b8/0x6d0 [\u0026lt;0000021761dcee7c\u0026gt;] ayuda_trabajo_btrfs+0x10c/0x160 [\u0026lt;0000021761645760\u0026gt;] trabajo_proceso_uno+0x2b0/0x5d0 [\u0026lt;000002176164637e\u0026gt;] subproceso_trabajador+0x20e/0x3e0 [\u0026lt;000002176165221a\u0026gt;] subproceso_k+0x15a/0x170 [\u0026lt;00000217615b859c\u0026gt;] __ret_de_bifurcaci\u00f3n+0x3c/0x60 [\u0026lt;00000217626e72d2\u0026gt;] ret_de_bifurcaci\u00f3n+0xa/0x38 INFORMACI\u00d3N: bloqueo_dep es Desactivado. Direcci\u00f3n del \u00faltimo evento de ruptura: [\u0026lt;0000021761597924\u0026gt;] _printk+0x4c/0x58 P\u00e1nico del kernel: no se sincroniza: Excepci\u00f3n fatal: panic_on_oops\"}],\"affected\":[{\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"affectedData\":[{\"vendor\":\"Linux\",\"product\":\"Linux\",\"defaultStatus\":\"unaffected\",\"programFiles\":[\"fs/btrfs/zlib.c\"],\"repo\":\"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\"versions\":[{\"version\":\"fd1e75d0105d2289e24b6d63cee49e6f7952c8bf\",\"lessThan\":\"25adbb08aeadcff883ab801df99fd20fefbb6ca4\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"fd1e75d0105d2289e24b6d63cee49e6f7952c8bf\",\"lessThan\":\"0ee4736c003daded513de0ff112d4a1e9c85bbab\",\"versionType\":\"git\",\"status\":\"affected\"}]},{\"vendor\":\"Linux\",\"product\":\"Linux\",\"defaultStatus\":\"affected\",\"programFiles\":[\"fs/btrfs/zlib.c\"],\"repo\":\"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\"versions\":[{\"version\":\"6.12\",\"status\":\"affected\"},{\"version\":\"0\",\"lessThan\":\"6.12\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.12.10\",\"lessThanOrEqual\":\"6.12.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.13\",\"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\":\"CWE-617\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.12\",\"versionEndExcluding\":\"6.12.10\",\"matchCriteriaId\":\"CAA666EC-CF76-46C6-AE86-951E128D4C0A\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:6.13:rc1:*:*:*:*:*:*\",\"matchCriteriaId\":\"62567B3C-6CEE-46D0-BC2E-B3717FBF7D13\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:6.13:rc2:*:*:*:*:*:*\",\"matchCriteriaId\":\"5A073481-106D-4B15-B4C7-FB0213B8E1D4\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:6.13:rc3:*:*:*:*:*:*\",\"matchCriteriaId\":\"DE491969-75AE-4A6B-9A58-8FC5AF98798F\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:6.13:rc4:*:*:*:*:*:*\",\"matchCriteriaId\":\"93C0660D-7FB8-4FBA-892A-B064BA71E49E\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:6.13:rc5:*:*:*:*:*:*\",\"matchCriteriaId\":\"034C36A6-C481-41F3-AE9A-D116E5BE6895\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:6.13:rc6:*:*:*:*:*:*\",\"matchCriteriaId\":\"8AF9DC49-2085-4FFB-A7E3-73DFAFECC7F2\"}]}]}],\"references\":[{\"url\":\"https://git.kernel.org/stable/c/0ee4736c003daded513de0ff112d4a1e9c85bbab\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/25adbb08aeadcff883ab801df99fd20fefbb6ca4\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]}]}}",
    "redhat_vex": {
      "aggregate_severity": "Moderate",
      "current_release_date": "2025-11-21T10:48:48+00:00",
      "cve": "CVE-2024-57923",
      "id": "CVE-2024-57923",
      "initial_release_date": "2024-01-01T00:00:00+00:00",
      "product_status:known_affected": "42",
      "product_status:known_not_affected": "234",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: btrfs: zlib: fix avail_in bytes for s390 zlib HW compression path",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2024/cve-2024-57923.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "moderate",
      "current_release_date": "2026-09-03T00:18:50Z",
      "cve": "CVE-2024-57923",
      "id": "CVE-2024-57923",
      "initial_release_date": "2025-01-20T03:48:11Z",
      "product_status:known_not_affected": "463",
      "product_status:recommended": "78",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2024-57923",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2024-57923.json",
      "version": "23"
    }
  }
}



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Tags
Taxonomy of the tags.





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.


Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.