CVE-2022-48847 (GCVE-0-2022-48847)

Vulnerability from cvelistv5 – Published: 2024-07-16 12:25 – Updated: 2026-08-05 08:52
VLAI
Title
watch_queue: Fix filter limit check
Summary
In the Linux kernel, the following vulnerability has been resolved: watch_queue: Fix filter limit check In watch_queue_set_filter(), there are a couple of places where we check that the filter type value does not exceed what the type_filter bitmap can hold. One place calculates the number of bits by: if (tf[i].type >= sizeof(wfilter->type_filter) * 8) which is fine, but the second does: if (tf[i].type >= sizeof(wfilter->type_filter) * BITS_PER_LONG) which is not. This can lead to a couple of out-of-bounds writes due to a too-large type: (1) __set_bit() on wfilter->type_filter (2) Writing more elements in wfilter->filters[] than we allocated. Fix this by just using the proper WATCH_TYPE__NR instead, which is the number of types we actually know about. The bug may cause an oops looking something like: BUG: KASAN: slab-out-of-bounds in watch_queue_set_filter+0x659/0x740 Write of size 4 at addr ffff88800d2c66bc by task watch_queue_oob/611 ... Call Trace: <TASK> dump_stack_lvl+0x45/0x59 print_address_description.constprop.0+0x1f/0x150 ... kasan_report.cold+0x7f/0x11b ... watch_queue_set_filter+0x659/0x740 ... __x64_sys_ioctl+0x127/0x190 do_syscall_64+0x43/0x90 entry_SYSCALL_64_after_hwframe+0x44/0xae Allocated by task 611: kasan_save_stack+0x1e/0x40 __kasan_kmalloc+0x81/0xa0 watch_queue_set_filter+0x23a/0x740 __x64_sys_ioctl+0x127/0x190 do_syscall_64+0x43/0x90 entry_SYSCALL_64_after_hwframe+0x44/0xae The buggy address belongs to the object at ffff88800d2c66a0 which belongs to the cache kmalloc-32 of size 32 The buggy address is located 28 bytes inside of 32-byte region [ffff88800d2c66a0, ffff88800d2c66c0)
Severity
7.8 (High)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-09-10 16:56 UTC
Assigner
References
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: c73be61cede5882f9605a852414db559c0ebedfd , < 648895da69ced90ca770fd941c3d9479a9d72c16 (git)
Affected: c73be61cede5882f9605a852414db559c0ebedfd , < 1b09f28f70a5046acd64138075ae3f095238b045 (git)
Affected: c73be61cede5882f9605a852414db559c0ebedfd , < b36588ebbcef74583824c08352e75838d6fb4ff2 (git)
Affected: c73be61cede5882f9605a852414db559c0ebedfd , < c993ee0f9f81caf5767a50d1faeba39a0dc82af2 (git)
guessed Create a notification for this product.
Linux Linux Affected: 5.8
Unaffected: 0 , < 5.8 (semver)
Unaffected: 5.10.106 , ≤ 5.10.* (semver)
Unaffected: 5.15.29 , ≤ 5.15.* (semver)
Unaffected: 5.16.15 , ≤ 5.16.* (semver)
Unaffected: 5.17 , ≤ * (original_commit_for_fix)
guessed Create a notification for this product.
Show details on NVD website
To clipboard 

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-03T15:25:01.608Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://git.kernel.org/stable/c/648895da69ced90ca770fd941c3d9479a9d72c16"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://git.kernel.org/stable/c/1b09f28f70a5046acd64138075ae3f095238b045"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://git.kernel.org/stable/c/b36588ebbcef74583824c08352e75838d6fb4ff2"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://git.kernel.org/stable/c/c993ee0f9f81caf5767a50d1faeba39a0dc82af2"
          }
        ],
        "title": "CVE Program Container"
      },
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2022-48847",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2024-09-10T16:56:35.105751Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2024-09-11T17:34:09.039Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "include/linux/watch_queue.h",
            "kernel/watch_queue.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "648895da69ced90ca770fd941c3d9479a9d72c16",
              "status": "affected",
              "version": "c73be61cede5882f9605a852414db559c0ebedfd",
              "versionType": "git"
            },
            {
              "lessThan": "1b09f28f70a5046acd64138075ae3f095238b045",
              "status": "affected",
              "version": "c73be61cede5882f9605a852414db559c0ebedfd",
              "versionType": "git"
            },
            {
              "lessThan": "b36588ebbcef74583824c08352e75838d6fb4ff2",
              "status": "affected",
              "version": "c73be61cede5882f9605a852414db559c0ebedfd",
              "versionType": "git"
            },
            {
              "lessThan": "c993ee0f9f81caf5767a50d1faeba39a0dc82af2",
              "status": "affected",
              "version": "c73be61cede5882f9605a852414db559c0ebedfd",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "include/linux/watch_queue.h",
            "kernel/watch_queue.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "5.8"
            },
            {
              "lessThan": "5.8",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.10.*",
              "status": "unaffected",
              "version": "5.10.106",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.15.*",
              "status": "unaffected",
              "version": "5.15.29",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.16.*",
              "status": "unaffected",
              "version": "5.16.15",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "5.17",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.10.106",
                  "versionStartIncluding": "5.8",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.15.29",
                  "versionStartIncluding": "5.8",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.16.15",
                  "versionStartIncluding": "5.8",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.17",
                  "versionStartIncluding": "5.8",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nwatch_queue: Fix filter limit check\n\nIn watch_queue_set_filter(), there are a couple of places where we check\nthat the filter type value does not exceed what the type_filter bitmap\ncan hold.  One place calculates the number of bits by:\n\n   if (tf[i].type \u003e= sizeof(wfilter-\u003etype_filter) * 8)\n\nwhich is fine, but the second does:\n\n   if (tf[i].type \u003e= sizeof(wfilter-\u003etype_filter) * BITS_PER_LONG)\n\nwhich is not.  This can lead to a couple of out-of-bounds writes due to\na too-large type:\n\n (1) __set_bit() on wfilter-\u003etype_filter\n (2) Writing more elements in wfilter-\u003efilters[] than we allocated.\n\nFix this by just using the proper WATCH_TYPE__NR instead, which is the\nnumber of types we actually know about.\n\nThe bug may cause an oops looking something like:\n\n  BUG: KASAN: slab-out-of-bounds in watch_queue_set_filter+0x659/0x740\n  Write of size 4 at addr ffff88800d2c66bc by task watch_queue_oob/611\n  ...\n  Call Trace:\n   \u003cTASK\u003e\n   dump_stack_lvl+0x45/0x59\n   print_address_description.constprop.0+0x1f/0x150\n   ...\n   kasan_report.cold+0x7f/0x11b\n   ...\n   watch_queue_set_filter+0x659/0x740\n   ...\n   __x64_sys_ioctl+0x127/0x190\n   do_syscall_64+0x43/0x90\n   entry_SYSCALL_64_after_hwframe+0x44/0xae\n\n  Allocated by task 611:\n   kasan_save_stack+0x1e/0x40\n   __kasan_kmalloc+0x81/0xa0\n   watch_queue_set_filter+0x23a/0x740\n   __x64_sys_ioctl+0x127/0x190\n   do_syscall_64+0x43/0x90\n   entry_SYSCALL_64_after_hwframe+0x44/0xae\n\n  The buggy address belongs to the object at ffff88800d2c66a0\n   which belongs to the cache kmalloc-32 of size 32\n  The buggy address is located 28 bytes inside of\n   32-byte region [ffff88800d2c66a0, ffff88800d2c66c0)"
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "baseScore": 7.8,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
          },
          "scenarios": [
            {
              "lang": "en",
              "value": "AV:L - The bug is reached through local syscalls only: pipe2(O_NOTIFICATION_PIPE) followed by ioctl(IOC_WATCH_QUEUE_SET_FILTER) into pipe_ioctl \u2192 watch_queue_set_filter; there is no network or adjacent-protocol path.\nAC:L - An attacker fully controls the filter type and payload fields and can reliably trigger the mismatched bounds check (type in [128,1023] on 64-bit); CONFIG_WATCH_QUEUE is enabled on major distros such as Ubuntu and Fedora, and no victim-controlled conditions are required.\nPR:L - Creating a notification pipe and setting its filter require only an unprivileged local account; neither pipe2(O_NOTIFICATION_PIPE) nor IOC_WATCH_QUEUE_SET_FILTER performs capability or privilege checks.\nUI:N - Exploitation needs no victim action; the attacker issues the pipe2/ioctl sequence themselves.\nS:U - Impact stays within the host kernel authority (local privilege escalation via slab corruption); this is not a VM/IOMMU/sandbox boundary escape.\nC:H - The heap out-of-bounds write with attacker-controlled contents corrupts adjacent slab objects and has been demonstrated as a privilege-escalation primitive, enabling arbitrary kernel memory disclosure.\nI:H - Attacker-controlled OOB writes via filters[] and __set_bit provide a strong integrity primitive; a public exploit achieved root on Fedora 35 by corrupting adjacent kmalloc-32 objects.\nA:H - The same corruption causes kernel oopses (KASAN slab-out-of-bounds) and can panic or hang the system, as shown in the original report and exploit."
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-08-05T08:52:37.538Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/648895da69ced90ca770fd941c3d9479a9d72c16"
        },
        {
          "url": "https://git.kernel.org/stable/c/1b09f28f70a5046acd64138075ae3f095238b045"
        },
        {
          "url": "https://git.kernel.org/stable/c/b36588ebbcef74583824c08352e75838d6fb4ff2"
        },
        {
          "url": "https://git.kernel.org/stable/c/c993ee0f9f81caf5767a50d1faeba39a0dc82af2"
        }
      ],
      "title": "watch_queue: Fix filter limit check",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2022-48847",
    "datePublished": "2024-07-16T12:25:15.804Z",
    "dateReserved": "2024-07-16T11:38:08.911Z",
    "dateUpdated": "2026-08-05T08:52:37.538Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2022-48847",
      "date": "2026-09-21",
      "epss": "0.00241",
      "percentile": "0.15467"
    },
    "fkie_nvd": {
      "configurations": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "matchCriteriaId": "FFACA37D-D2EA-44A7-8ED6-E58EE2222AFE",
                  "versionEndExcluding": "5.10.106",
                  "versionStartIncluding": "5.8",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "matchCriteriaId": "15DC6588-B28F-4637-9A1E-3753B34A40CF",
                  "versionEndExcluding": "5.15.29",
                  "versionStartIncluding": "5.11",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "matchCriteriaId": "83FDEDF2-0E19-4879-91FD-171E66D1B335",
                  "versionEndExcluding": "5.16.15",
                  "versionStartIncluding": "5.16",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nwatch_queue: Fix filter limit check\n\nIn watch_queue_set_filter(), there are a couple of places where we check\nthat the filter type value does not exceed what the type_filter bitmap\ncan hold.  One place calculates the number of bits by:\n\n   if (tf[i].type \u003e= sizeof(wfilter-\u003etype_filter) * 8)\n\nwhich is fine, but the second does:\n\n   if (tf[i].type \u003e= sizeof(wfilter-\u003etype_filter) * BITS_PER_LONG)\n\nwhich is not.  This can lead to a couple of out-of-bounds writes due to\na too-large type:\n\n (1) __set_bit() on wfilter-\u003etype_filter\n (2) Writing more elements in wfilter-\u003efilters[] than we allocated.\n\nFix this by just using the proper WATCH_TYPE__NR instead, which is the\nnumber of types we actually know about.\n\nThe bug may cause an oops looking something like:\n\n  BUG: KASAN: slab-out-of-bounds in watch_queue_set_filter+0x659/0x740\n  Write of size 4 at addr ffff88800d2c66bc by task watch_queue_oob/611\n  ...\n  Call Trace:\n   \u003cTASK\u003e\n   dump_stack_lvl+0x45/0x59\n   print_address_description.constprop.0+0x1f/0x150\n   ...\n   kasan_report.cold+0x7f/0x11b\n   ...\n   watch_queue_set_filter+0x659/0x740\n   ...\n   __x64_sys_ioctl+0x127/0x190\n   do_syscall_64+0x43/0x90\n   entry_SYSCALL_64_after_hwframe+0x44/0xae\n\n  Allocated by task 611:\n   kasan_save_stack+0x1e/0x40\n   __kasan_kmalloc+0x81/0xa0\n   watch_queue_set_filter+0x23a/0x740\n   __x64_sys_ioctl+0x127/0x190\n   do_syscall_64+0x43/0x90\n   entry_SYSCALL_64_after_hwframe+0x44/0xae\n\n  The buggy address belongs to the object at ffff88800d2c66a0\n   which belongs to the cache kmalloc-32 of size 32\n  The buggy address is located 28 bytes inside of\n   32-byte region [ffff88800d2c66a0, ffff88800d2c66c0)"
        },
        {
          "lang": "es",
          "value": "En el kernel de Linux, se resolvi\u00f3 la siguiente vulnerabilidad: watch_queue: corrige la verificaci\u00f3n del l\u00edmite del filtro En watch_queue_set_filter(), hay un par de lugares donde verificamos que el valor del tipo de filtro no exceda lo que puede contener el mapa de bits type_filter. Un lugar calcula el n\u00famero de bits mediante: if (tf[i].type \u0026gt;= sizeof(wfilter-\u0026gt;type_filter) * 8) lo cual est\u00e1 bien, pero el segundo s\u00ed: if (tf[i].type \u0026gt;= sizeof( wfilter-\u0026gt;type_filter) * BITS_PER_LONG) que no lo es. Esto puede provocar un par de escrituras fuera de los l\u00edmites debido a un tipo demasiado grande: (1) __set_bit() en wfilter-\u0026gt;type_filter (2) Escribir m\u00e1s elementos en wfilter-\u0026gt;filters[] de los que asignamos. Solucione este problema simplemente usando el WATCH_TYPE__NR adecuado, que es la cantidad de tipos que realmente conocemos. El error puede provocar un error parecido a: ERROR: KASAN: slab-out-of-bounds in watch_queue_set_filter+0x659/0x740 Escritura de tama\u00f1o 4 en la direcci\u00f3n ffff88800d2c66bc mediante la tarea watch_queue_oob/611... Seguimiento de llamadas:  dump_stack_lvl+ 0x45/0x59 print_address_description.constprop.0+0x1f/0x150 ... kasan_report.cold+0x7f/0x11b ... watch_queue_set_filter+0x659/0x740 ... __x64_sys_ioctl+0x127/0x190 do_syscall_64+0x43/0x90 entrada_ SYSCALL_64_after_hwframe+0x44/0xae Asignado por tarea 611: kasan_save_stack+0x1e/0x40 __kasan_kmalloc+0x81/0xa0 watch_queue_set_filter+0x23a/0x740 __x64_sys_ioctl+0x127/0x190 do_syscall_64+0x43/0x90 Entry_SYSCALL_64_after_hwframe+0x 44/0xae La direcci\u00f3n con errores pertenece al objeto en ffff88800d2c66a0 que pertenece al cach\u00e9 kmalloc-32 de tama\u00f1o 32 La direcci\u00f3n con errores se encuentra a 28 bytes dentro de la regi\u00f3n de 32 bytes [ffff88800d2c66a0, ffff88800d2c66c0)"
        }
      ],
      "id": "CVE-2022-48847",
      "lastModified": "2024-11-21T07:34:12.187",
      "metrics": {
        "cvssMetricV31": [
          {
            "cvssData": {
              "attackComplexity": "LOW",
              "attackVector": "LOCAL",
              "availabilityImpact": "HIGH",
              "baseScore": 7.8,
              "baseSeverity": "HIGH",
              "confidentialityImpact": "HIGH",
              "integrityImpact": "HIGH",
              "privilegesRequired": "LOW",
              "scope": "UNCHANGED",
              "userInteraction": "NONE",
              "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
              "version": "3.1"
            },
            "exploitabilityScore": 1.8,
            "impactScore": 5.9,
            "source": "nvd@nist.gov",
            "type": "Primary"
          }
        ]
      },
      "published": "2024-07-16T13:15:11.950",
      "references": [
        {
          "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
          "tags": [
            "Patch"
          ],
          "url": "https://git.kernel.org/stable/c/1b09f28f70a5046acd64138075ae3f095238b045"
        },
        {
          "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
          "tags": [
            "Patch"
          ],
          "url": "https://git.kernel.org/stable/c/648895da69ced90ca770fd941c3d9479a9d72c16"
        },
        {
          "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
          "tags": [
            "Patch"
          ],
          "url": "https://git.kernel.org/stable/c/b36588ebbcef74583824c08352e75838d6fb4ff2"
        },
        {
          "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
          "tags": [
            "Patch"
          ],
          "url": "https://git.kernel.org/stable/c/c993ee0f9f81caf5767a50d1faeba39a0dc82af2"
        },
        {
          "source": "af854a3a-2127-422b-91ae-364da2661108",
          "tags": [
            "Patch"
          ],
          "url": "https://git.kernel.org/stable/c/1b09f28f70a5046acd64138075ae3f095238b045"
        },
        {
          "source": "af854a3a-2127-422b-91ae-364da2661108",
          "tags": [
            "Patch"
          ],
          "url": "https://git.kernel.org/stable/c/648895da69ced90ca770fd941c3d9479a9d72c16"
        },
        {
          "source": "af854a3a-2127-422b-91ae-364da2661108",
          "tags": [
            "Patch"
          ],
          "url": "https://git.kernel.org/stable/c/b36588ebbcef74583824c08352e75838d6fb4ff2"
        },
        {
          "source": "af854a3a-2127-422b-91ae-364da2661108",
          "tags": [
            "Patch"
          ],
          "url": "https://git.kernel.org/stable/c/c993ee0f9f81caf5767a50d1faeba39a0dc82af2"
        }
      ],
      "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "vulnStatus": "Modified",
      "weaknesses": [
        {
          "description": [
            {
              "lang": "en",
              "value": "CWE-787"
            }
          ],
          "source": "nvd@nist.gov",
          "type": "Primary"
        }
      ]
    },
    "nvd": {
      "cve": {
        "affected": [
          {
            "affectedData": [
              {
                "defaultStatus": "unaffected",
                "product": "Linux",
                "programFiles": [
                  "include/linux/watch_queue.h",
                  "kernel/watch_queue.c"
                ],
                "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                "vendor": "Linux",
                "versions": [
                  {
                    "lessThan": "648895da69ced90ca770fd941c3d9479a9d72c16",
                    "status": "affected",
                    "version": "c73be61cede5882f9605a852414db559c0ebedfd",
                    "versionType": "git"
                  },
                  {
                    "lessThan": "1b09f28f70a5046acd64138075ae3f095238b045",
                    "status": "affected",
                    "version": "c73be61cede5882f9605a852414db559c0ebedfd",
                    "versionType": "git"
                  },
                  {
                    "lessThan": "b36588ebbcef74583824c08352e75838d6fb4ff2",
                    "status": "affected",
                    "version": "c73be61cede5882f9605a852414db559c0ebedfd",
                    "versionType": "git"
                  },
                  {
                    "lessThan": "c993ee0f9f81caf5767a50d1faeba39a0dc82af2",
                    "status": "affected",
                    "version": "c73be61cede5882f9605a852414db559c0ebedfd",
                    "versionType": "git"
                  }
                ]
              },
              {
                "defaultStatus": "affected",
                "product": "Linux",
                "programFiles": [
                  "include/linux/watch_queue.h",
                  "kernel/watch_queue.c"
                ],
                "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                "vendor": "Linux",
                "versions": [
                  {
                    "status": "affected",
                    "version": "5.8"
                  },
                  {
                    "lessThan": "5.8",
                    "status": "unaffected",
                    "version": "0",
                    "versionType": "semver"
                  },
                  {
                    "lessThanOrEqual": "5.10.*",
                    "status": "unaffected",
                    "version": "5.10.106",
                    "versionType": "semver"
                  },
                  {
                    "lessThanOrEqual": "5.15.*",
                    "status": "unaffected",
                    "version": "5.15.29",
                    "versionType": "semver"
                  },
                  {
                    "lessThanOrEqual": "5.16.*",
                    "status": "unaffected",
                    "version": "5.16.15",
                    "versionType": "semver"
                  },
                  {
                    "lessThanOrEqual": "*",
                    "status": "unaffected",
                    "version": "5.17",
                    "versionType": "original_commit_for_fix"
                  }
                ]
              }
            ],
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
          }
        ],
        "configurations": [
          {
            "nodes": [
              {
                "cpeMatch": [
                  {
                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                    "matchCriteriaId": "FFACA37D-D2EA-44A7-8ED6-E58EE2222AFE",
                    "versionEndExcluding": "5.10.106",
                    "versionStartIncluding": "5.8",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                    "matchCriteriaId": "15DC6588-B28F-4637-9A1E-3753B34A40CF",
                    "versionEndExcluding": "5.15.29",
                    "versionStartIncluding": "5.11",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                    "matchCriteriaId": "83FDEDF2-0E19-4879-91FD-171E66D1B335",
                    "versionEndExcluding": "5.16.15",
                    "versionStartIncluding": "5.16",
                    "vulnerable": true
                  }
                ],
                "negate": false,
                "operator": "OR"
              }
            ]
          }
        ],
        "cveTags": [],
        "descriptions": [
          {
            "lang": "en",
            "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nwatch_queue: Fix filter limit check\n\nIn watch_queue_set_filter(), there are a couple of places where we check\nthat the filter type value does not exceed what the type_filter bitmap\ncan hold.  One place calculates the number of bits by:\n\n   if (tf[i].type \u003e= sizeof(wfilter-\u003etype_filter) * 8)\n\nwhich is fine, but the second does:\n\n   if (tf[i].type \u003e= sizeof(wfilter-\u003etype_filter) * BITS_PER_LONG)\n\nwhich is not.  This can lead to a couple of out-of-bounds writes due to\na too-large type:\n\n (1) __set_bit() on wfilter-\u003etype_filter\n (2) Writing more elements in wfilter-\u003efilters[] than we allocated.\n\nFix this by just using the proper WATCH_TYPE__NR instead, which is the\nnumber of types we actually know about.\n\nThe bug may cause an oops looking something like:\n\n  BUG: KASAN: slab-out-of-bounds in watch_queue_set_filter+0x659/0x740\n  Write of size 4 at addr ffff88800d2c66bc by task watch_queue_oob/611\n  ...\n  Call Trace:\n   \u003cTASK\u003e\n   dump_stack_lvl+0x45/0x59\n   print_address_description.constprop.0+0x1f/0x150\n   ...\n   kasan_report.cold+0x7f/0x11b\n   ...\n   watch_queue_set_filter+0x659/0x740\n   ...\n   __x64_sys_ioctl+0x127/0x190\n   do_syscall_64+0x43/0x90\n   entry_SYSCALL_64_after_hwframe+0x44/0xae\n\n  Allocated by task 611:\n   kasan_save_stack+0x1e/0x40\n   __kasan_kmalloc+0x81/0xa0\n   watch_queue_set_filter+0x23a/0x740\n   __x64_sys_ioctl+0x127/0x190\n   do_syscall_64+0x43/0x90\n   entry_SYSCALL_64_after_hwframe+0x44/0xae\n\n  The buggy address belongs to the object at ffff88800d2c66a0\n   which belongs to the cache kmalloc-32 of size 32\n  The buggy address is located 28 bytes inside of\n   32-byte region [ffff88800d2c66a0, ffff88800d2c66c0)"
          },
          {
            "lang": "es",
            "value": "En el kernel de Linux, se resolvi\u00f3 la siguiente vulnerabilidad: watch_queue: corrige la verificaci\u00f3n del l\u00edmite del filtro En watch_queue_set_filter(), hay un par de lugares donde verificamos que el valor del tipo de filtro no exceda lo que puede contener el mapa de bits type_filter. Un lugar calcula el n\u00famero de bits mediante: if (tf[i].type \u0026gt;= sizeof(wfilter-\u0026gt;type_filter) * 8) lo cual est\u00e1 bien, pero el segundo s\u00ed: if (tf[i].type \u0026gt;= sizeof( wfilter-\u0026gt;type_filter) * BITS_PER_LONG) que no lo es. Esto puede provocar un par de escrituras fuera de los l\u00edmites debido a un tipo demasiado grande: (1) __set_bit() en wfilter-\u0026gt;type_filter (2) Escribir m\u00e1s elementos en wfilter-\u0026gt;filters[] de los que asignamos. Solucione este problema simplemente usando el WATCH_TYPE__NR adecuado, que es la cantidad de tipos que realmente conocemos. El error puede provocar un error parecido a: ERROR: KASAN: slab-out-of-bounds in watch_queue_set_filter+0x659/0x740 Escritura de tama\u00f1o 4 en la direcci\u00f3n ffff88800d2c66bc mediante la tarea watch_queue_oob/611... Seguimiento de llamadas:  dump_stack_lvl+ 0x45/0x59 print_address_description.constprop.0+0x1f/0x150 ... kasan_report.cold+0x7f/0x11b ... watch_queue_set_filter+0x659/0x740 ... __x64_sys_ioctl+0x127/0x190 do_syscall_64+0x43/0x90 entrada_ SYSCALL_64_after_hwframe+0x44/0xae Asignado por tarea 611: kasan_save_stack+0x1e/0x40 __kasan_kmalloc+0x81/0xa0 watch_queue_set_filter+0x23a/0x740 __x64_sys_ioctl+0x127/0x190 do_syscall_64+0x43/0x90 Entry_SYSCALL_64_after_hwframe+0x 44/0xae La direcci\u00f3n con errores pertenece al objeto en ffff88800d2c66a0 que pertenece al cach\u00e9 kmalloc-32 de tama\u00f1o 32 La direcci\u00f3n con errores se encuentra a 28 bytes dentro de la regi\u00f3n de 32 bytes [ffff88800d2c66a0, ffff88800d2c66c0)"
          }
        ],
        "id": "CVE-2022-48847",
        "lastModified": "2026-08-04T10:17:23.937",
        "metrics": {
          "cvssMetricV31": [
            {
              "cvssData": {
                "attackComplexity": "LOW",
                "attackVector": "LOCAL",
                "availabilityImpact": "HIGH",
                "baseScore": 7.8,
                "baseSeverity": "HIGH",
                "confidentialityImpact": "HIGH",
                "integrityImpact": "HIGH",
                "privilegesRequired": "LOW",
                "scope": "UNCHANGED",
                "userInteraction": "NONE",
                "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
                "version": "3.1"
              },
              "exploitabilityScore": 1.8,
              "impactScore": 5.9,
              "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
              "type": "Secondary"
            },
            {
              "cvssData": {
                "attackComplexity": "LOW",
                "attackVector": "LOCAL",
                "availabilityImpact": "HIGH",
                "baseScore": 7.8,
                "baseSeverity": "HIGH",
                "confidentialityImpact": "HIGH",
                "integrityImpact": "HIGH",
                "privilegesRequired": "LOW",
                "scope": "UNCHANGED",
                "userInteraction": "NONE",
                "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
                "version": "3.1"
              },
              "exploitabilityScore": 1.8,
              "impactScore": 5.9,
              "source": "nvd@nist.gov",
              "type": "Primary"
            }
          ],
          "ssvcV203": [
            {
              "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
              "ssvcData": {
                "id": "CVE-2022-48847",
                "options": [
                  {
                    "exploitation": "none"
                  },
                  {
                    "automatable": "no"
                  },
                  {
                    "technicalImpact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2024-09-10T16:56:35.105751Z",
                "version": "2.0.3"
              }
            }
          ]
        },
        "published": "2024-07-16T13:15:11.950",
        "references": [
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "tags": [
              "Patch"
            ],
            "url": "https://git.kernel.org/stable/c/1b09f28f70a5046acd64138075ae3f095238b045"
          },
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "tags": [
              "Patch"
            ],
            "url": "https://git.kernel.org/stable/c/648895da69ced90ca770fd941c3d9479a9d72c16"
          },
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "tags": [
              "Patch"
            ],
            "url": "https://git.kernel.org/stable/c/b36588ebbcef74583824c08352e75838d6fb4ff2"
          },
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "tags": [
              "Patch"
            ],
            "url": "https://git.kernel.org/stable/c/c993ee0f9f81caf5767a50d1faeba39a0dc82af2"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Patch"
            ],
            "url": "https://git.kernel.org/stable/c/1b09f28f70a5046acd64138075ae3f095238b045"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Patch"
            ],
            "url": "https://git.kernel.org/stable/c/648895da69ced90ca770fd941c3d9479a9d72c16"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Patch"
            ],
            "url": "https://git.kernel.org/stable/c/b36588ebbcef74583824c08352e75838d6fb4ff2"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Patch"
            ],
            "url": "https://git.kernel.org/stable/c/c993ee0f9f81caf5767a50d1faeba39a0dc82af2"
          }
        ],
        "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "vulnStatus": "Modified",
        "weaknesses": [
          {
            "description": [
              {
                "lang": "en",
                "value": "CWE-787"
              }
            ],
            "source": "nvd@nist.gov",
            "type": "Primary"
          }
        ]
      }
    },
    "redhat_vex": {
      "aggregate_severity": "Moderate",
      "current_release_date": "2026-08-19T10:25:19+00:00",
      "cve": "CVE-2022-48847",
      "id": "CVE-2022-48847",
      "initial_release_date": "2022-01-01T00:00:00+00:00",
      "product_status:known_affected": "42",
      "product_status:known_not_affected": "156",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: watch_queue: Fix filter limit check",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2022/cve-2022-48847.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "moderate",
      "current_release_date": "2026-09-02T02:07:09Z",
      "cve": "CVE-2022-48847",
      "id": "CVE-2022-48847",
      "initial_release_date": "2024-07-18T03:05:42Z",
      "product_status:known_not_affected": "254",
      "product_status:recommended": "327",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2022-48847",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2022-48847.json",
      "version": "34"
    },
    "vulnrichment": {
      "containers": {
        "adp": [
          {
            "providerMetadata": {
              "dateUpdated": "2024-08-03T15:25:01.608Z",
              "orgId": "af854a3a-2127-422b-91ae-364da2661108",
              "shortName": "CVE"
            },
            "references": [
              {
                "tags": [
                  "x_transferred"
                ],
                "url": "https://git.kernel.org/stable/c/648895da69ced90ca770fd941c3d9479a9d72c16"
              },
              {
                "tags": [
                  "x_transferred"
                ],
                "url": "https://git.kernel.org/stable/c/1b09f28f70a5046acd64138075ae3f095238b045"
              },
              {
                "tags": [
                  "x_transferred"
                ],
                "url": "https://git.kernel.org/stable/c/b36588ebbcef74583824c08352e75838d6fb4ff2"
              },
              {
                "tags": [
                  "x_transferred"
                ],
                "url": "https://git.kernel.org/stable/c/c993ee0f9f81caf5767a50d1faeba39a0dc82af2"
              }
            ],
            "title": "CVE Program Container"
          },
          {
            "metrics": [
              {
                "other": {
                  "content": {
                    "id": "CVE-2022-48847",
                    "options": [
                      {
                        "Exploitation": "none"
                      },
                      {
                        "Automatable": "no"
                      },
                      {
                        "Technical Impact": "partial"
                      }
                    ],
                    "role": "CISA Coordinator",
                    "timestamp": "2024-09-10T16:56:35.105751Z",
                    "version": "2.0.3"
                  },
                  "type": "ssvc"
                }
              }
            ],
            "providerMetadata": {
              "dateUpdated": "2024-09-11T12:42:20.981Z",
              "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
              "shortName": "CISA-ADP"
            },
            "title": "CISA ADP Vulnrichment"
          }
        ],
        "cna": {
          "affected": [
            {
              "defaultStatus": "unaffected",
              "product": "Linux",
              "programFiles": [
                "include/linux/watch_queue.h",
                "kernel/watch_queue.c"
              ],
              "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
              "vendor": "Linux",
              "versions": [
                {
                  "lessThan": "648895da69ced90ca770fd941c3d9479a9d72c16",
                  "status": "affected",
                  "version": "c73be61cede5882f9605a852414db559c0ebedfd",
                  "versionType": "git"
                },
                {
                  "lessThan": "1b09f28f70a5046acd64138075ae3f095238b045",
                  "status": "affected",
                  "version": "c73be61cede5882f9605a852414db559c0ebedfd",
                  "versionType": "git"
                },
                {
                  "lessThan": "b36588ebbcef74583824c08352e75838d6fb4ff2",
                  "status": "affected",
                  "version": "c73be61cede5882f9605a852414db559c0ebedfd",
                  "versionType": "git"
                },
                {
                  "lessThan": "c993ee0f9f81caf5767a50d1faeba39a0dc82af2",
                  "status": "affected",
                  "version": "c73be61cede5882f9605a852414db559c0ebedfd",
                  "versionType": "git"
                }
              ]
            },
            {
              "defaultStatus": "affected",
              "product": "Linux",
              "programFiles": [
                "include/linux/watch_queue.h",
                "kernel/watch_queue.c"
              ],
              "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
              "vendor": "Linux",
              "versions": [
                {
                  "status": "affected",
                  "version": "5.8"
                },
                {
                  "lessThan": "5.8",
                  "status": "unaffected",
                  "version": "0",
                  "versionType": "semver"
                },
                {
                  "lessThanOrEqual": "5.10.*",
                  "status": "unaffected",
                  "version": "5.10.106",
                  "versionType": "semver"
                },
                {
                  "lessThanOrEqual": "5.15.*",
                  "status": "unaffected",
                  "version": "5.15.29",
                  "versionType": "semver"
                },
                {
                  "lessThanOrEqual": "5.16.*",
                  "status": "unaffected",
                  "version": "5.16.15",
                  "versionType": "semver"
                },
                {
                  "lessThanOrEqual": "*",
                  "status": "unaffected",
                  "version": "5.17",
                  "versionType": "original_commit_for_fix"
                }
              ]
            }
          ],
          "cpeApplicability": [
            {
              "nodes": [
                {
                  "cpeMatch": [
                    {
                      "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                      "versionEndExcluding": "5.10.106",
                      "versionStartIncluding": "5.8",
                      "vulnerable": true
                    },
                    {
                      "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                      "versionEndExcluding": "5.15.29",
                      "versionStartIncluding": "5.8",
                      "vulnerable": true
                    },
                    {
                      "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                      "versionEndExcluding": "5.16.15",
                      "versionStartIncluding": "5.8",
                      "vulnerable": true
                    },
                    {
                      "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                      "versionEndExcluding": "5.17",
                      "versionStartIncluding": "5.8",
                      "vulnerable": true
                    }
                  ],
                  "negate": false,
                  "operator": "OR"
                }
              ]
            }
          ],
          "descriptions": [
            {
              "lang": "en",
              "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nwatch_queue: Fix filter limit check\n\nIn watch_queue_set_filter(), there are a couple of places where we check\nthat the filter type value does not exceed what the type_filter bitmap\ncan hold.  One place calculates the number of bits by:\n\n   if (tf[i].type \u003e= sizeof(wfilter-\u003etype_filter) * 8)\n\nwhich is fine, but the second does:\n\n   if (tf[i].type \u003e= sizeof(wfilter-\u003etype_filter) * BITS_PER_LONG)\n\nwhich is not.  This can lead to a couple of out-of-bounds writes due to\na too-large type:\n\n (1) __set_bit() on wfilter-\u003etype_filter\n (2) Writing more elements in wfilter-\u003efilters[] than we allocated.\n\nFix this by just using the proper WATCH_TYPE__NR instead, which is the\nnumber of types we actually know about.\n\nThe bug may cause an oops looking something like:\n\n  BUG: KASAN: slab-out-of-bounds in watch_queue_set_filter+0x659/0x740\n  Write of size 4 at addr ffff88800d2c66bc by task watch_queue_oob/611\n  ...\n  Call Trace:\n   \u003cTASK\u003e\n   dump_stack_lvl+0x45/0x59\n   print_address_description.constprop.0+0x1f/0x150\n   ...\n   kasan_report.cold+0x7f/0x11b\n   ...\n   watch_queue_set_filter+0x659/0x740\n   ...\n   __x64_sys_ioctl+0x127/0x190\n   do_syscall_64+0x43/0x90\n   entry_SYSCALL_64_after_hwframe+0x44/0xae\n\n  Allocated by task 611:\n   kasan_save_stack+0x1e/0x40\n   __kasan_kmalloc+0x81/0xa0\n   watch_queue_set_filter+0x23a/0x740\n   __x64_sys_ioctl+0x127/0x190\n   do_syscall_64+0x43/0x90\n   entry_SYSCALL_64_after_hwframe+0x44/0xae\n\n  The buggy address belongs to the object at ffff88800d2c66a0\n   which belongs to the cache kmalloc-32 of size 32\n  The buggy address is located 28 bytes inside of\n   32-byte region [ffff88800d2c66a0, ffff88800d2c66c0)"
            }
          ],
          "metrics": [
            {
              "cvssV3_1": {
                "baseScore": 7.8,
                "baseSeverity": "HIGH",
                "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
                "version": "3.1"
              },
              "scenarios": [
                {
                  "lang": "en",
                  "value": "AV:L - The bug is reached through local syscalls only: pipe2(O_NOTIFICATION_PIPE) followed by ioctl(IOC_WATCH_QUEUE_SET_FILTER) into pipe_ioctl \u2192 watch_queue_set_filter; there is no network or adjacent-protocol path.\nAC:L - An attacker fully controls the filter type and payload fields and can reliably trigger the mismatched bounds check (type in [128,1023] on 64-bit); CONFIG_WATCH_QUEUE is enabled on major distros such as Ubuntu and Fedora, and no victim-controlled conditions are required.\nPR:L - Creating a notification pipe and setting its filter require only an unprivileged local account; neither pipe2(O_NOTIFICATION_PIPE) nor IOC_WATCH_QUEUE_SET_FILTER performs capability or privilege checks.\nUI:N - Exploitation needs no victim action; the attacker issues the pipe2/ioctl sequence themselves.\nS:U - Impact stays within the host kernel authority (local privilege escalation via slab corruption); this is not a VM/IOMMU/sandbox boundary escape.\nC:H - The heap out-of-bounds write with attacker-controlled contents corrupts adjacent slab objects and has been demonstrated as a privilege-escalation primitive, enabling arbitrary kernel memory disclosure.\nI:H - Attacker-controlled OOB writes via filters[] and __set_bit provide a strong integrity primitive; a public exploit achieved root on Fedora 35 by corrupting adjacent kmalloc-32 objects.\nA:H - The same corruption causes kernel oopses (KASAN slab-out-of-bounds) and can panic or hang the system, as shown in the original report and exploit."
                }
              ]
            }
          ],
          "providerMetadata": {
            "dateUpdated": "2026-08-05T08:52:37.538Z",
            "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "shortName": "Linux"
          },
          "references": [
            {
              "url": "https://git.kernel.org/stable/c/648895da69ced90ca770fd941c3d9479a9d72c16"
            },
            {
              "url": "https://git.kernel.org/stable/c/1b09f28f70a5046acd64138075ae3f095238b045"
            },
            {
              "url": "https://git.kernel.org/stable/c/b36588ebbcef74583824c08352e75838d6fb4ff2"
            },
            {
              "url": "https://git.kernel.org/stable/c/c993ee0f9f81caf5767a50d1faeba39a0dc82af2"
            }
          ],
          "title": "watch_queue: Fix filter limit check",
          "x_generator": {
            "engine": "bippy-1.2.0"
          }
        }
      },
      "cveMetadata": {
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "assignerShortName": "Linux",
        "cveId": "CVE-2022-48847",
        "datePublished": "2024-07-16T12:25:15.804Z",
        "dateReserved": "2024-07-16T11:38:08.911Z",
        "dateUpdated": "2026-08-05T08:52:37.538Z",
        "state": "PUBLISHED"
      },
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}



Log in or create an account to share your comment.




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.