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FKIE_CVE-2024-26768

Vulnerability from fkie_nvd - Published: 2024-04-03 17:15 - Updated: 2026-08-04 11:17
Severity
7.2 (High) - CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
6.5 (Medium) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
Summary
In the Linux kernel, the following vulnerability has been resolved: LoongArch: Change acpi_core_pic[NR_CPUS] to acpi_core_pic[MAX_CORE_PIC] With default config, the value of NR_CPUS is 64. When HW platform has more then 64 cpus, system will crash on these platforms. MAX_CORE_PIC is the maximum cpu number in MADT table (max physical number) which can exceed the supported maximum cpu number (NR_CPUS, max logical number), but kernel should not crash. Kernel should boot cpus with NR_CPUS, let the remainder cpus stay in BIOS. The potential crash reason is that the array acpi_core_pic[NR_CPUS] can be overflowed when parsing MADT table, and it is obvious that CORE_PIC should be corresponding to physical core rather than logical core, so it is better to define the array as acpi_core_pic[MAX_CORE_PIC]. With the patch, system can boot up 64 vcpus with qemu parameter -smp 128, otherwise system will crash with the following message. [ 0.000000] CPU 0 Unable to handle kernel paging request at virtual address 0000420000004259, era == 90000000037a5f0c, ra == 90000000037a46ec [ 0.000000] Oops[#1]: [ 0.000000] CPU: 0 PID: 0 Comm: swapper Not tainted 6.8.0-rc2+ #192 [ 0.000000] Hardware name: QEMU QEMU Virtual Machine, BIOS unknown 2/2/2022 [ 0.000000] pc 90000000037a5f0c ra 90000000037a46ec tp 9000000003c90000 sp 9000000003c93d60 [ 0.000000] a0 0000000000000019 a1 9000000003d93bc0 a2 0000000000000000 a3 9000000003c93bd8 [ 0.000000] a4 9000000003c93a74 a5 9000000083c93a67 a6 9000000003c938f0 a7 0000000000000005 [ 0.000000] t0 0000420000004201 t1 0000000000000000 t2 0000000000000001 t3 0000000000000001 [ 0.000000] t4 0000000000000003 t5 0000000000000000 t6 0000000000000030 t7 0000000000000063 [ 0.000000] t8 0000000000000014 u0 ffffffffffffffff s9 0000000000000000 s0 9000000003caee98 [ 0.000000] s1 90000000041b0480 s2 9000000003c93da0 s3 9000000003c93d98 s4 9000000003c93d90 [ 0.000000] s5 9000000003caa000 s6 000000000a7fd000 s7 000000000f556b60 s8 000000000e0a4330 [ 0.000000] ra: 90000000037a46ec platform_init+0x214/0x250 [ 0.000000] ERA: 90000000037a5f0c efi_runtime_init+0x30/0x94 [ 0.000000] CRMD: 000000b0 (PLV0 -IE -DA +PG DACF=CC DACM=CC -WE) [ 0.000000] PRMD: 00000000 (PPLV0 -PIE -PWE) [ 0.000000] EUEN: 00000000 (-FPE -SXE -ASXE -BTE) [ 0.000000] ECFG: 00070800 (LIE=11 VS=7) [ 0.000000] ESTAT: 00010000 [PIL] (IS= ECode=1 EsubCode=0) [ 0.000000] BADV: 0000420000004259 [ 0.000000] PRID: 0014c010 (Loongson-64bit, Loongson-3A5000) [ 0.000000] Modules linked in: [ 0.000000] Process swapper (pid: 0, threadinfo=(____ptrval____), task=(____ptrval____)) [ 0.000000] Stack : 9000000003c93a14 9000000003800898 90000000041844f8 90000000037a46ec [ 0.000000] 000000000a7fd000 0000000008290000 0000000000000000 0000000000000000 [ 0.000000] 0000000000000000 0000000000000000 00000000019d8000 000000000f556b60 [ 0.000000] 000000000a7fd000 000000000f556b08 9000000003ca7700 9000000003800000 [ 0.000000] 9000000003c93e50 9000000003800898 9000000003800108 90000000037a484c [ 0.000000] 000000000e0a4330 000000000f556b60 000000000a7fd000 000000000f556b08 [ 0.000000] 9000000003ca7700 9000000004184000 0000000000200000 000000000e02b018 [ 0.000000] 000000000a7fd000 90000000037a0790 9000000003800108 0000000000000000 [ 0.000000] 0000000000000000 000000000e0a4330 000000000f556b60 000000000a7fd000 [ 0.000000] 000000000f556b08 000000000eaae298 000000000eaa5040 0000000000200000 [ 0.000000] ... [ 0.000000] Call Trace: [ 0.000000] [<90000000037a5f0c>] efi_runtime_init+0x30/0x94 [ 0.000000] [<90000000037a46ec>] platform_init+0x214/0x250 [ 0.000000] [<90000000037a484c>] setup_arch+0x124/0x45c [ 0.000000] [<90000000037a0790>] start_kernel+0x90/0x670 [ 0.000000] [<900000000378b0d8>] kernel_entry+0xd8/0xdc
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/0f6810e39898af2d2cabd9313e4dbc945fb5dfddPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/4551b30525cf3d2f026b92401ffe241eb04dfebePatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/88e189bd16e5889e44a41b3309558ebab78b9280Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/0f6810e39898af2d2cabd9313e4dbc945fb5dfddPatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/4551b30525cf3d2f026b92401ffe241eb04dfebePatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/88e189bd16e5889e44a41b3309558ebab78b9280Patch
Impacted products
Vendor Product Version
linux linux_kernel *
linux linux_kernel *
linux linux_kernel 6.8
linux linux_kernel 6.8
linux linux_kernel 6.8
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "arch/loongarch/include/asm/acpi.h",
            "arch/loongarch/kernel/acpi.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "88e189bd16e5889e44a41b3309558ebab78b9280",
              "status": "affected",
              "version": "fa96b57c149061f71a70bd6582d995f6424fbbf4",
              "versionType": "git"
            },
            {
              "lessThan": "0f6810e39898af2d2cabd9313e4dbc945fb5dfdd",
              "status": "affected",
              "version": "fa96b57c149061f71a70bd6582d995f6424fbbf4",
              "versionType": "git"
            },
            {
              "lessThan": "4551b30525cf3d2f026b92401ffe241eb04dfebe",
              "status": "affected",
              "version": "fa96b57c149061f71a70bd6582d995f6424fbbf4",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "arch/loongarch/include/asm/acpi.h",
            "arch/loongarch/kernel/acpi.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "5.19"
            },
            {
              "lessThan": "5.19",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.6.*",
              "status": "unaffected",
              "version": "6.6.19",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.7.*",
              "status": "unaffected",
              "version": "6.7.7",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.8",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "296B2324-E9B8-417F-A82B-B8C508688E14",
              "versionEndExcluding": "6.6.19",
              "versionStartIncluding": "5.19",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "575EE16B-67F2-4B5B-B5F8-1877715C898B",
              "versionEndExcluding": "6.7.7",
              "versionStartIncluding": "6.7",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:6.8:rc1:*:*:*:*:*:*",
              "matchCriteriaId": "B9F4EA73-0894-400F-A490-3A397AB7A517",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:6.8:rc2:*:*:*:*:*:*",
              "matchCriteriaId": "056BD938-0A27-4569-B391-30578B309EE3",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:6.8:rc3:*:*:*:*:*:*",
              "matchCriteriaId": "F02056A5-B362-4370-9FF8-6F0BD384D520",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nLoongArch: Change acpi_core_pic[NR_CPUS] to acpi_core_pic[MAX_CORE_PIC]\n\nWith default config, the value of NR_CPUS is 64. When HW platform has\nmore then 64 cpus, system will crash on these platforms. MAX_CORE_PIC\nis the maximum cpu number in MADT table (max physical number) which can\nexceed the supported maximum cpu number (NR_CPUS, max logical number),\nbut kernel should not crash. Kernel should boot cpus with NR_CPUS, let\nthe remainder cpus stay in BIOS.\n\nThe potential crash reason is that the array acpi_core_pic[NR_CPUS] can\nbe overflowed when parsing MADT table, and it is obvious that CORE_PIC\nshould be corresponding to physical core rather than logical core, so it\nis better to define the array as acpi_core_pic[MAX_CORE_PIC].\n\nWith the patch, system can boot up 64 vcpus with qemu parameter -smp 128,\notherwise system will crash with the following message.\n\n[    0.000000] CPU 0 Unable to handle kernel paging request at virtual address 0000420000004259, era == 90000000037a5f0c, ra == 90000000037a46ec\n[    0.000000] Oops[#1]:\n[    0.000000] CPU: 0 PID: 0 Comm: swapper Not tainted 6.8.0-rc2+ #192\n[    0.000000] Hardware name: QEMU QEMU Virtual Machine, BIOS unknown 2/2/2022\n[    0.000000] pc 90000000037a5f0c ra 90000000037a46ec tp 9000000003c90000 sp 9000000003c93d60\n[    0.000000] a0 0000000000000019 a1 9000000003d93bc0 a2 0000000000000000 a3 9000000003c93bd8\n[    0.000000] a4 9000000003c93a74 a5 9000000083c93a67 a6 9000000003c938f0 a7 0000000000000005\n[    0.000000] t0 0000420000004201 t1 0000000000000000 t2 0000000000000001 t3 0000000000000001\n[    0.000000] t4 0000000000000003 t5 0000000000000000 t6 0000000000000030 t7 0000000000000063\n[    0.000000] t8 0000000000000014 u0 ffffffffffffffff s9 0000000000000000 s0 9000000003caee98\n[    0.000000] s1 90000000041b0480 s2 9000000003c93da0 s3 9000000003c93d98 s4 9000000003c93d90\n[    0.000000] s5 9000000003caa000 s6 000000000a7fd000 s7 000000000f556b60 s8 000000000e0a4330\n[    0.000000]    ra: 90000000037a46ec platform_init+0x214/0x250\n[    0.000000]   ERA: 90000000037a5f0c efi_runtime_init+0x30/0x94\n[    0.000000]  CRMD: 000000b0 (PLV0 -IE -DA +PG DACF=CC DACM=CC -WE)\n[    0.000000]  PRMD: 00000000 (PPLV0 -PIE -PWE)\n[    0.000000]  EUEN: 00000000 (-FPE -SXE -ASXE -BTE)\n[    0.000000]  ECFG: 00070800 (LIE=11 VS=7)\n[    0.000000] ESTAT: 00010000 [PIL] (IS= ECode=1 EsubCode=0)\n[    0.000000]  BADV: 0000420000004259\n[    0.000000]  PRID: 0014c010 (Loongson-64bit, Loongson-3A5000)\n[    0.000000] Modules linked in:\n[    0.000000] Process swapper (pid: 0, threadinfo=(____ptrval____), task=(____ptrval____))\n[    0.000000] Stack : 9000000003c93a14 9000000003800898 90000000041844f8 90000000037a46ec\n[    0.000000]         000000000a7fd000 0000000008290000 0000000000000000 0000000000000000\n[    0.000000]         0000000000000000 0000000000000000 00000000019d8000 000000000f556b60\n[    0.000000]         000000000a7fd000 000000000f556b08 9000000003ca7700 9000000003800000\n[    0.000000]         9000000003c93e50 9000000003800898 9000000003800108 90000000037a484c\n[    0.000000]         000000000e0a4330 000000000f556b60 000000000a7fd000 000000000f556b08\n[    0.000000]         9000000003ca7700 9000000004184000 0000000000200000 000000000e02b018\n[    0.000000]         000000000a7fd000 90000000037a0790 9000000003800108 0000000000000000\n[    0.000000]         0000000000000000 000000000e0a4330 000000000f556b60 000000000a7fd000\n[    0.000000]         000000000f556b08 000000000eaae298 000000000eaa5040 0000000000200000\n[    0.000000]         ...\n[    0.000000] Call Trace:\n[    0.000000] [\u003c90000000037a5f0c\u003e] efi_runtime_init+0x30/0x94\n[    0.000000] [\u003c90000000037a46ec\u003e] platform_init+0x214/0x250\n[    0.000000] [\u003c90000000037a484c\u003e] setup_arch+0x124/0x45c\n[    0.000000] [\u003c90000000037a0790\u003e] start_kernel+0x90/0x670\n[    0.000000] [\u003c900000000378b0d8\u003e] kernel_entry+0xd8/0xdc"
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux, se resolvi\u00f3 la siguiente vulnerabilidad: LoongArch: cambie acpi_core_pic[NR_CPUS] a acpi_core_pic[MAX_CORE_PIC] Con la configuraci\u00f3n predeterminada, el valor de NR_CPUS es 64. Cuando la plataforma HW tiene m\u00e1s de 64 cpus, el SYSTEM fallar\u00e1 en estas plataformas . MAX_CORE_PIC es el n\u00famero m\u00e1ximo de CPU en la tabla MADT (n\u00famero f\u00edsico m\u00e1ximo) que puede exceder el n\u00famero m\u00e1ximo de CPU admitido (NR_CPUS, n\u00famero l\u00f3gico m\u00e1ximo), pero el kernel no deber\u00eda fallar. El kernel debe arrancar los procesadores con NR_CPUS y dejar que los procesadores restantes permanezcan en el BIOS. La posible raz\u00f3n del fallo es que la matriz acpi_core_pic[NR_CPUS] puede desbordarse al analizar la tabla MADT, y es obvio que CORE_PIC debe corresponder al n\u00facleo f\u00edsico en lugar del n\u00facleo l\u00f3gico, por lo que es mejor definir la matriz como acpi_core_pic[MAX_CORE_PIC] . Con el parche, el SYSTEM puede iniciar 64 vcpus con el par\u00e1metro qemu -smp 128; de lo contrario, el SYSTEM fallar\u00e1 con el siguiente mensaje. [ 0.000000] CPU 0 No se puede manejar la solicitud de paginaci\u00f3n del kernel en la direcci\u00f3n virtual 0000420000004259, era == 90000000037a5f0c, ra == 90000000037a46ec [ 0.000000] Ups[#1]: [ 0.000000] CPU: 0 PID: 0 Comm: intercambiador No contaminado 6.8. 0-rc2+ #192 [0.000000] Nombre de hardware: QEMU QEMU M\u00e1quina virtual, BIOS desconocido 2/2/2022 [0.000000] pc 90000000037a5f0c ra 90000000037a46ec tp 9000000003c90000 sp 9000000003c93 d60 [ 0.000000] a0 0000000000000019 a1 9000000003d93bc0 a2 0000000000000000 a3 9000000003c93bd8 [ 0.000000] a4 9000000003c93a74 a5 9000000083c93a67 a6 9000000003c938f0 a7 0000000000000005 [ 0.000000] t0 0000420000004201 t1 00000000000000000 t2 0000000000000000 1 t3 0000000000000001 [ 0,000000] t4 0000000000000003 t5 0000000000000000 t6 0000000000000030 t7 0000000000000063 [ 0,000000] t8 0000 000000000014 u0 ffffffffffffffff s9 0000000000000000 s0 9000000003caee98 [ 0.000000] s1 90000000041b0480 s2 9000000003c93da0 s3 9000000003 c93d98 s4 9000000003c93d90 [ 0.000000] s5 9000000003caa000 s6 000000000a7fd000 s7 000000000f556b60 s8 000000000e0a4330 [ 0.000000] ra: 90000000037a46ec platform_init+ 0x214/0x250 [ 0.000000] ERA: 90000000037a5f0c efi_runtime_init+0x30/0x94 [ 0.000000] CRMD: 000000b0 (PLV0 -IE -DA +PG DACF=CC DACM=CC -WE) [ 0.000000] PRMD: 00000000 (PPLV0 -PIE -PWE) [ 0.000000] EUEN: 00000000 (-FPE -SXE -ASXE -BTE) [ 0.000000] ECFG: 00070800 (LIE=11 VS=7) [ 0.000000] ESTAT: 00010000 [PIL] (IS= ECode=1 EssubCode=0) [ 0.000000] BADV: 0000420000004259 [ 0.000000] PRID: 0014c010 (Loongson-64bit, Loongson-3A5000) [ 0.0000 00] M\u00f3dulos vinculados en: [ 0.000000] Proceso swapper (pid: 0, threadinfo=(____ptrval____), tarea=(____ptrval____)) [0.000000] Pila: 9000000003c93a14 9000000003800898 90000000041844f8 90000000037a46ec [0.000000] 000000000a7fd000 0000000008290000 0000000000000000 0000000000000000 [ 0.000000] 00000000000000000 0000000000000000 00000000019d 8000 000000000f556b60 [ 0,000000] 000000000a7fd000 000000000f556b08 9000000003ca7700 9000000003800000 [ 0,000000 ] 9000000003c93e50 9000000003800898 9000000003800108 90000000037a484c [ 0.000000] 000000000e0a4330 000000000f556b60 00000000 0a7fd000 000000000f556b08 [ 0.000000] 9000000003ca7700 9000000004184000 0000000000200000 000000000e02b018 [ 0.000000] 000000000a 7fd000 90000000037a0790 9000000003800108 0000000000000000 [ 0.000000] 00000000000000000 000000000e0a4330 000000000f556b60 00000 0000a7fd000 [ 0.000000] 000000000f556b08 000000000eaae298 000000000eaa5040 0000000000200000 [ 0.000000] ... [ 0.000000] Llamar Seguimiento: [ 0.000000] [\u0026lt;90000000037a5f0c\u0026gt;] efi_runtime_init+0x30/0x94 [ 0.000000] [\u0026lt;90000000037a46ec\u0026gt;] platform_init+0x214/0x250 [ 0.000000] [\u0026lt;90000000037a48 4c\u0026gt;] setup_arch+0x124/0x45c [ 0.000000] [\u0026lt;90000000037a0790\u0026gt;] start_kernel +0x90/0x670 [ 0.000000] [\u0026lt;900000000378b0d8\u0026gt;] entrada_kernel+0xd8/0xdc"
    }
  ],
  "id": "CVE-2024-26768",
  "lastModified": "2026-08-04T11:17:02.413",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 7.2,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "HIGH",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 1.2,
        "impactScore": 5.9,
        "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "type": "Secondary"
      },
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
          "availabilityImpact": "HIGH",
          "baseScore": 6.5,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "LOW",
          "scope": "CHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 2.0,
        "impactScore": 4.0,
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "type": "Secondary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2024-26768",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2024-04-03T19:30:26.181836Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2024-04-03T17:15:52.800",
  "references": [
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "tags": [
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/0f6810e39898af2d2cabd9313e4dbc945fb5dfdd"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "tags": [
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/4551b30525cf3d2f026b92401ffe241eb04dfebe"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "tags": [
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/88e189bd16e5889e44a41b3309558ebab78b9280"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/0f6810e39898af2d2cabd9313e4dbc945fb5dfdd"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/4551b30525cf3d2f026b92401ffe241eb04dfebe"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/88e189bd16e5889e44a41b3309558ebab78b9280"
    }
  ],
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-120"
        }
      ],
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "type": "Secondary"
    }
  ]
}



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

Sightings

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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.