Vulnerability-Lookup

FKIE_CVE-2021-47576

Vulnerability from fkie_nvd - Published: 2024-06-19 15:15 - Updated: 2026-08-04 10:17

Severity

7.8 (High) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
7.8 (High) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Summary

In the Linux kernel, the following vulnerability has been resolved: scsi: scsi_debug: Sanity check block descriptor length in resp_mode_select() In resp_mode_select() sanity check the block descriptor len to avoid UAF. BUG: KASAN: use-after-free in resp_mode_select+0xa4c/0xb40 drivers/scsi/scsi_debug.c:2509 Read of size 1 at addr ffff888026670f50 by task scsicmd/15032 CPU: 1 PID: 15032 Comm: scsicmd Not tainted 5.15.0-01d0625 #15 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Call Trace: <TASK> dump_stack_lvl+0x89/0xb5 lib/dump_stack.c:107 print_address_description.constprop.9+0x28/0x160 mm/kasan/report.c:257 kasan_report.cold.14+0x7d/0x117 mm/kasan/report.c:443 __asan_report_load1_noabort+0x14/0x20 mm/kasan/report_generic.c:306 resp_mode_select+0xa4c/0xb40 drivers/scsi/scsi_debug.c:2509 schedule_resp+0x4af/0x1a10 drivers/scsi/scsi_debug.c:5483 scsi_debug_queuecommand+0x8c9/0x1e70 drivers/scsi/scsi_debug.c:7537 scsi_queue_rq+0x16b4/0x2d10 drivers/scsi/scsi_lib.c:1521 blk_mq_dispatch_rq_list+0xb9b/0x2700 block/blk-mq.c:1640 __blk_mq_sched_dispatch_requests+0x28f/0x590 block/blk-mq-sched.c:325 blk_mq_sched_dispatch_requests+0x105/0x190 block/blk-mq-sched.c:358 __blk_mq_run_hw_queue+0xe5/0x150 block/blk-mq.c:1762 __blk_mq_delay_run_hw_queue+0x4f8/0x5c0 block/blk-mq.c:1839 blk_mq_run_hw_queue+0x18d/0x350 block/blk-mq.c:1891 blk_mq_sched_insert_request+0x3db/0x4e0 block/blk-mq-sched.c:474 blk_execute_rq_nowait+0x16b/0x1c0 block/blk-exec.c:63 sg_common_write.isra.18+0xeb3/0x2000 drivers/scsi/sg.c:837 sg_new_write.isra.19+0x570/0x8c0 drivers/scsi/sg.c:775 sg_ioctl_common+0x14d6/0x2710 drivers/scsi/sg.c:941 sg_ioctl+0xa2/0x180 drivers/scsi/sg.c:1166 __x64_sys_ioctl+0x19d/0x220 fs/ioctl.c:52 do_syscall_64+0x3a/0x80 arch/x86/entry/common.c:50 entry_SYSCALL_64_after_hwframe+0x44/0xae arch/x86/entry/entry_64.S:113

References

URL	Tags
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/04181973c38f3d6a353f9246dcf7fee08024fd9e	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/90491283b4064220682e4b0687d07b05df01e3bf	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/a9078e791426c2cbbdf28a320c3670f6e0a611e6	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/adcecd50da6cab7b4957cba0606771dcc846c5a9	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/b847ecff850719c46c95acd25a0d555dfd16e10d	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/dfc3fff63793c571147930b13c0f8c689c4281ac	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/e0a2c28da11e2c2b963fc01d50acbf03045ac732	Patch
af854a3a-2127-422b-91ae-364da2661108	https://git.kernel.org/stable/c/04181973c38f3d6a353f9246dcf7fee08024fd9e	Patch
af854a3a-2127-422b-91ae-364da2661108	https://git.kernel.org/stable/c/90491283b4064220682e4b0687d07b05df01e3bf	Patch
af854a3a-2127-422b-91ae-364da2661108	https://git.kernel.org/stable/c/a9078e791426c2cbbdf28a320c3670f6e0a611e6	Patch
af854a3a-2127-422b-91ae-364da2661108	https://git.kernel.org/stable/c/adcecd50da6cab7b4957cba0606771dcc846c5a9	Patch
af854a3a-2127-422b-91ae-364da2661108	https://git.kernel.org/stable/c/b847ecff850719c46c95acd25a0d555dfd16e10d	Patch
af854a3a-2127-422b-91ae-364da2661108	https://git.kernel.org/stable/c/dfc3fff63793c571147930b13c0f8c689c4281ac	Patch
af854a3a-2127-422b-91ae-364da2661108	https://git.kernel.org/stable/c/e0a2c28da11e2c2b963fc01d50acbf03045ac732	Patch

Impacted products

Vendor	Product	Version
linux	linux_kernel	*
linux	linux_kernel	*
linux	linux_kernel	*
linux	linux_kernel	*
linux	linux_kernel	*
linux	linux_kernel	*

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/scsi/scsi_debug.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "adcecd50da6cab7b4957cba0606771dcc846c5a9",
              "status": "affected",
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              "versionType": "git"
            },
            {
              "lessThan": "04181973c38f3d6a353f9246dcf7fee08024fd9e",
              "status": "affected",
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              "versionType": "git"
            },
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              "versionType": "git"
            },
            {
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              "status": "affected",
              "version": "231839102b54512ced7d3ee7fc9b8bcf5e3b583b",
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            {
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              "status": "affected",
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              "versionType": "git"
            },
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            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "drivers/scsi/scsi_debug.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "2.6.19"
            },
            {
              "lessThan": "2.6.19",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "4.9.*",
              "status": "unaffected",
              "version": "4.9.294",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "4.14.*",
              "status": "unaffected",
              "version": "4.14.259",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "4.19.*",
              "status": "unaffected",
              "version": "4.19.222",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.4.*",
              "status": "unaffected",
              "version": "5.4.168",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.10.*",
              "status": "unaffected",
              "version": "5.10.88",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.15.*",
              "status": "unaffected",
              "version": "5.15.11",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "5.16",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "7005937B-711D-4687-9D97-38F4302A61F3",
              "versionEndExcluding": "4.9.294",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "390D64FF-1DB7-4DD1-ADEF-CE96BEA2607C",
              "versionEndExcluding": "4.14.259",
              "versionStartIncluding": "4.10",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "2D0D89BC-6CF8-4BFB-8C91-472348052528",
              "versionEndExcluding": "4.19.222",
              "versionStartIncluding": "4.15",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "195EBAA1-4CCE-4898-9351-F4A0DBCAA022",
              "versionEndExcluding": "5.4.168",
              "versionStartIncluding": "4.20",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "A657B2D0-5B9D-42BE-A3BF-228DBC1B057C",
              "versionEndExcluding": "5.10.88",
              "versionStartIncluding": "5.5",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "11274E95-438A-449A-B100-01B2B0046669",
              "versionEndExcluding": "5.15.11",
              "versionStartIncluding": "5.11",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nscsi: scsi_debug: Sanity check block descriptor length in resp_mode_select()\n\nIn resp_mode_select() sanity check the block descriptor len to avoid UAF.\n\nBUG: KASAN: use-after-free in resp_mode_select+0xa4c/0xb40 drivers/scsi/scsi_debug.c:2509\nRead of size 1 at addr ffff888026670f50 by task scsicmd/15032\n\nCPU: 1 PID: 15032 Comm: scsicmd Not tainted 5.15.0-01d0625 #15\nHardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS\nCall Trace:\n \u003cTASK\u003e\n dump_stack_lvl+0x89/0xb5 lib/dump_stack.c:107\n print_address_description.constprop.9+0x28/0x160 mm/kasan/report.c:257\n kasan_report.cold.14+0x7d/0x117 mm/kasan/report.c:443\n __asan_report_load1_noabort+0x14/0x20 mm/kasan/report_generic.c:306\n resp_mode_select+0xa4c/0xb40 drivers/scsi/scsi_debug.c:2509\n schedule_resp+0x4af/0x1a10 drivers/scsi/scsi_debug.c:5483\n scsi_debug_queuecommand+0x8c9/0x1e70 drivers/scsi/scsi_debug.c:7537\n scsi_queue_rq+0x16b4/0x2d10 drivers/scsi/scsi_lib.c:1521\n blk_mq_dispatch_rq_list+0xb9b/0x2700 block/blk-mq.c:1640\n __blk_mq_sched_dispatch_requests+0x28f/0x590 block/blk-mq-sched.c:325\n blk_mq_sched_dispatch_requests+0x105/0x190 block/blk-mq-sched.c:358\n __blk_mq_run_hw_queue+0xe5/0x150 block/blk-mq.c:1762\n __blk_mq_delay_run_hw_queue+0x4f8/0x5c0 block/blk-mq.c:1839\n blk_mq_run_hw_queue+0x18d/0x350 block/blk-mq.c:1891\n blk_mq_sched_insert_request+0x3db/0x4e0 block/blk-mq-sched.c:474\n blk_execute_rq_nowait+0x16b/0x1c0 block/blk-exec.c:63\n sg_common_write.isra.18+0xeb3/0x2000 drivers/scsi/sg.c:837\n sg_new_write.isra.19+0x570/0x8c0 drivers/scsi/sg.c:775\n sg_ioctl_common+0x14d6/0x2710 drivers/scsi/sg.c:941\n sg_ioctl+0xa2/0x180 drivers/scsi/sg.c:1166\n __x64_sys_ioctl+0x19d/0x220 fs/ioctl.c:52\n do_syscall_64+0x3a/0x80 arch/x86/entry/common.c:50\n entry_SYSCALL_64_after_hwframe+0x44/0xae arch/x86/entry/entry_64.S:113"
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: scsi: scsi_debug: Verifique la longitud del descriptor del bloque en resp_mode_select() En resp_mode_select(), verifique la longitud del descriptor del bloque para evitar UAF. ERROR: KASAN: use-after-free en resp_mode_select+0xa4c/0xb40 drivers/scsi/scsi_debug.c:2509 Lectura del tama\u00f1o 1 en la direcci\u00f3n ffff888026670f50 por tarea scsicmd/15032 CPU: 1 PID: 15032 Comm: scsicmd Not tainted 5.15.0 -01d0625 #15 Nombre del hardware: PC est\u00e1ndar QEMU (i440FX + PIIX, 1996), seguimiento de llamadas del BIOS:  dump_stack_lvl+0x89/0xb5 lib/dump_stack.c:107 print_address_description.constprop.9+0x28/0x160 mm/kasan/ report.c:257 kasan_report.cold.14+0x7d/0x117 mm/kasan/report.c:443 __asan_report_load1_noabort+0x14/0x20 mm/kasan/report_generic.c:306 resp_mode_select+0xa4c/0xb40 drivers/scsi/scsi_debug.c: 2509 Schedule_resp+0x4af/0x1a10 controladores/scsi/scsi_debug.c:5483 scsi_debug_queuecommand+0x8c9/0x1e70 controladores/scsi/scsi_debug.c:7537 scsi_queue_rq+0x16b4/0x2d10 controladores/scsi/scsi_lib.c:1521 blk_mq_dispatch_rq_list+0xb9b/0x2700 bloque/ blk-mq.c:1640 __blk_mq_sched_dispatch_requests+0x28f/0x590 block/blk-mq-sched.c:325 blk_mq_sched_dispatch_requests+0x105/0x190 block/blk-mq-sched.c:358 __blk_mq_run_hw_queue+0xe5/ 0x150 cuadra/blk-mq. c:1762 __blk_mq_delay_run_hw_queue+0x4f8/0x5c0 block/blk-mq.c:1839 blk_mq_run_hw_queue+0x18d/0x350 block/blk-mq.c:1891 blk_mq_sched_insert_request+0x3db/0x4e0 ched.c:474 blk_execute_rq_nowait+0x16b /0x1c0 block/blk-exec.c:63 sg_common_write.isra.18+0xeb3/0x2000 controladores/scsi/sg.c:837 sg_new_write.isra.19+0x570/0x8c0 controladores/scsi/sg.c:775 sg_ioctl_common+0x14d6 /0x2710 controladores/scsi/sg.c:941 sg_ioctl+0xa2/0x180 controladores/scsi/sg.c:1166 __x64_sys_ioctl+0x19d/0x220 fs/ioctl.c:52 do_syscall_64+0x3a/0x80 arch/x86/entry/common. c:50 entrada_SYSCALL_64_after_hwframe+0x44/0xae arch/x86/entry/entry_64.S:113"
    }
  ],
  "id": "CVE-2021-47576",
  "lastModified": "2026-08-04T10:17:09.170",
  "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-2021-47576",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2024-09-10T17:12:55.832156Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2024-06-19T15:15:52.117",
  "references": [
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "tags": [
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/04181973c38f3d6a353f9246dcf7fee08024fd9e"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "tags": [
        "Patch"
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      "url": "https://git.kernel.org/stable/c/90491283b4064220682e4b0687d07b05df01e3bf"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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    },
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    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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    },
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      "tags": [
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      "url": "https://git.kernel.org/stable/c/04181973c38f3d6a353f9246dcf7fee08024fd9e"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
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      "url": "https://git.kernel.org/stable/c/90491283b4064220682e4b0687d07b05df01e3bf"
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      "source": "af854a3a-2127-422b-91ae-364da2661108",
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      "source": "af854a3a-2127-422b-91ae-364da2661108",
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    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
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      ],
      "url": "https://git.kernel.org/stable/c/dfc3fff63793c571147930b13c0f8c689c4281ac"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/e0a2c28da11e2c2b963fc01d50acbf03045ac732"
    }
  ],
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-416"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}

CVE-2021-47576 (GCVE-0-2021-47576)

Vulnerability from cvelistv5 – Published: 2024-06-19 14:53 – Updated: 2026-08-05 08:48

Title

scsi: scsi_debug: Sanity check block descriptor length in resp_mode_select()

Summary

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 17:12 UTC

Assigner

Linux CNA under the mitre root

CNA scorecard D 53/100 over 7033 records in the last 180 days details

References

7 references

URL	Tags
https://git.kernel.org/stable/c/adcecd50da6cab7b4…
https://git.kernel.org/stable/c/90491283b40642206…
https://git.kernel.org/stable/c/04181973c38f3d6a3…
https://git.kernel.org/stable/c/b847ecff850719c46…
https://git.kernel.org/stable/c/a9078e791426c2cbb…
https://git.kernel.org/stable/c/dfc3fff63793c5711…
https://git.kernel.org/stable/c/e0a2c28da11e2c2b9…

Impacted products

2 products

Vendor	Product	Version
Linux	Linux	Affected: 231839102b54512ced7d3ee7fc9b8bcf5e3b583b , < adcecd50da6cab7b4957cba0606771dcc846c5a9 (git) Affected: 231839102b54512ced7d3ee7fc9b8bcf5e3b583b , < 90491283b4064220682e4b0687d07b05df01e3bf (git) Affected: 231839102b54512ced7d3ee7fc9b8bcf5e3b583b , < 04181973c38f3d6a353f9246dcf7fee08024fd9e (git) Affected: 231839102b54512ced7d3ee7fc9b8bcf5e3b583b , < b847ecff850719c46c95acd25a0d555dfd16e10d (git) Affected: 231839102b54512ced7d3ee7fc9b8bcf5e3b583b , < a9078e791426c2cbbdf28a320c3670f6e0a611e6 (git) Affected: 231839102b54512ced7d3ee7fc9b8bcf5e3b583b , < dfc3fff63793c571147930b13c0f8c689c4281ac (git) Affected: 231839102b54512ced7d3ee7fc9b8bcf5e3b583b , < e0a2c28da11e2c2b963fc01d50acbf03045ac732 (git)
Linux	Linux	Affected: 2.6.19 Unaffected: 0 , < 2.6.19 (semver) Unaffected: 4.9.294 , ≤ 4.9.* (semver) Unaffected: 4.14.259 , ≤ 4.14.* (semver) Unaffected: 4.19.222 , ≤ 4.19.* (semver) Unaffected: 5.4.168 , ≤ 5.4.* (semver) Unaffected: 5.10.88 , ≤ 5.10.* (semver) Unaffected: 5.15.11 , ≤ 5.15.* (semver) Unaffected: 5.16 , ≤ * (original_commit_for_fix)

Show details on NVD website

JSON

To clipboard

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              "value": "AV:L - The vulnerability is triggered via SG_IO ioctl on a local /dev/sg device node for a scsi_debug virtual LUN, as shown in the syzkaller call trace; scsi_debug is a host-side simulator and is not reachable over the network.\nAC:L - An attacker who can open the scsi_debug sg device can reliably trigger the bug by sending a crafted MODE SELECT(10) command with an oversized block descriptor length; no race or unpredictable conditions are required.\nPR:L - MODE_SELECT is permitted to any process that can open /dev/sg for write without CAP_SYS_RAWIO; this is achievable by an unprivileged local user with access to the device (e.g., disk-group membership), not requiring full root.\nUI:N - Exploitation is performed solely by the attacker issuing ioctl/SG_IO with a malicious CDB and parameter list; no separate user action is required.\nS:U - The memory corruption occurs in the kernel\u0027s scsi_debug handler and can escalate privileges within the same OS security authority; it does not cross a VM, IOMMU, or other security boundary.\nC:H - The unchecked bd_len produces an out-of-bounds read past the stack buffer into adjacent kernel memory (KASAN-reported UAF read), enabling arbitrary kernel memory disclosure.\nI:H - KASAN classifies this as a use-after-free memory corruption, which per scoring guidance yields a high integrity impact through potential control of freed object contents and subsequent write primitives.\nA:H - The out-of-bounds/UAF access can cause a kernel oops, KASAN fault, or panic when invalid or unmapped memory is touched, fully disrupting system availability."
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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.

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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
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