CVE-2025-68327 (GCVE-0-2025-68327)

Vulnerability from cvelistv5 – Published: 2025-12-22 16:12 – Updated: 2025-12-22 16:13
VLAI?
Title
usb: renesas_usbhs: Fix synchronous external abort on unbind
Summary
In the Linux kernel, the following vulnerability has been resolved: usb: renesas_usbhs: Fix synchronous external abort on unbind A synchronous external abort occurs on the Renesas RZ/G3S SoC if unbind is executed after the configuration sequence described above: modprobe usb_f_ecm modprobe libcomposite modprobe configfs cd /sys/kernel/config/usb_gadget mkdir -p g1 cd g1 echo "0x1d6b" > idVendor echo "0x0104" > idProduct mkdir -p strings/0x409 echo "0123456789" > strings/0x409/serialnumber echo "Renesas." > strings/0x409/manufacturer echo "Ethernet Gadget" > strings/0x409/product mkdir -p functions/ecm.usb0 mkdir -p configs/c.1 mkdir -p configs/c.1/strings/0x409 echo "ECM" > configs/c.1/strings/0x409/configuration if [ ! -L configs/c.1/ecm.usb0 ]; then ln -s functions/ecm.usb0 configs/c.1 fi echo 11e20000.usb > UDC echo 11e20000.usb > /sys/bus/platform/drivers/renesas_usbhs/unbind The displayed trace is as follows: Internal error: synchronous external abort: 0000000096000010 [#1] SMP CPU: 0 UID: 0 PID: 188 Comm: sh Tainted: G M 6.17.0-rc7-next-20250922-00010-g41050493b2bd #55 PREEMPT Tainted: [M]=MACHINE_CHECK Hardware name: Renesas SMARC EVK version 2 based on r9a08g045s33 (DT) pstate: 604000c5 (nZCv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : usbhs_sys_function_pullup+0x10/0x40 [renesas_usbhs] lr : usbhsg_update_pullup+0x3c/0x68 [renesas_usbhs] sp : ffff8000838b3920 x29: ffff8000838b3920 x28: ffff00000d585780 x27: 0000000000000000 x26: 0000000000000000 x25: 0000000000000000 x24: ffff00000c3e3810 x23: ffff00000d5e5c80 x22: ffff00000d5e5d40 x21: 0000000000000000 x20: 0000000000000000 x19: ffff00000d5e5c80 x18: 0000000000000020 x17: 2e30303230316531 x16: 312d7968703a7968 x15: 3d454d414e5f4344 x14: 000000000000002c x13: 0000000000000000 x12: 0000000000000000 x11: ffff00000f358f38 x10: ffff00000f358db0 x9 : ffff00000b41f418 x8 : 0101010101010101 x7 : 7f7f7f7f7f7f7f7f x6 : fefefeff6364626d x5 : 8080808000000000 x4 : 000000004b5ccb9d x3 : 0000000000000000 x2 : 0000000000000000 x1 : ffff800083790000 x0 : ffff00000d5e5c80 Call trace: usbhs_sys_function_pullup+0x10/0x40 [renesas_usbhs] (P) usbhsg_pullup+0x4c/0x7c [renesas_usbhs] usb_gadget_disconnect_locked+0x48/0xd4 gadget_unbind_driver+0x44/0x114 device_remove+0x4c/0x80 device_release_driver_internal+0x1c8/0x224 device_release_driver+0x18/0x24 bus_remove_device+0xcc/0x10c device_del+0x14c/0x404 usb_del_gadget+0x88/0xc0 usb_del_gadget_udc+0x18/0x30 usbhs_mod_gadget_remove+0x24/0x44 [renesas_usbhs] usbhs_mod_remove+0x20/0x30 [renesas_usbhs] usbhs_remove+0x98/0xdc [renesas_usbhs] platform_remove+0x20/0x30 device_remove+0x4c/0x80 device_release_driver_internal+0x1c8/0x224 device_driver_detach+0x18/0x24 unbind_store+0xb4/0xb8 drv_attr_store+0x24/0x38 sysfs_kf_write+0x7c/0x94 kernfs_fop_write_iter+0x128/0x1b8 vfs_write+0x2ac/0x350 ksys_write+0x68/0xfc __arm64_sys_write+0x1c/0x28 invoke_syscall+0x48/0x110 el0_svc_common.constprop.0+0xc0/0xe0 do_el0_svc+0x1c/0x28 el0_svc+0x34/0xf0 el0t_64_sync_handler+0xa0/0xe4 el0t_64_sync+0x198/0x19c Code: 7100003f 1a9f07e1 531c6c22 f9400001 (79400021) ---[ end trace 0000000000000000 ]--- note: sh[188] exited with irqs disabled note: sh[188] exited with preempt_count 1 The issue occurs because usbhs_sys_function_pullup(), which accesses the IP registers, is executed after the USBHS clocks have been disabled. The problem is reproducible on the Renesas RZ/G3S SoC starting with the addition of module stop in the clock enable/disable APIs. With module stop functionality enabled, a bus error is expected if a master accesses a module whose clock has been stopped and module stop activated. Disable the IP clocks at the end of remove.
Severity ?
No CVSS data available.
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: f1407d5c66240b33d11a7f1a41d55ccf6a9d7647 , < fd1a7bf3a8cac13f6d2d52d8c7570ba41621db9a (git)
Affected: f1407d5c66240b33d11a7f1a41d55ccf6a9d7647 , < cd5e86e34c66a831b5cb9b720ad411a006962cc8 (git)
Affected: f1407d5c66240b33d11a7f1a41d55ccf6a9d7647 , < 230b1bc1310edcd5c1b71dcd6b77ccba43139cb5 (git)
Affected: f1407d5c66240b33d11a7f1a41d55ccf6a9d7647 , < 9d86bc8b188a77c8d6f7252280ec2bd24ad6fbc1 (git)
Affected: f1407d5c66240b33d11a7f1a41d55ccf6a9d7647 , < 26838f147aeaa8f820ff799d72815fba5e209bd9 (git)
Affected: f1407d5c66240b33d11a7f1a41d55ccf6a9d7647 , < aa658a6d5ac21c7cde54c6d015f2d4daff32e02d (git)
Affected: f1407d5c66240b33d11a7f1a41d55ccf6a9d7647 , < eb9ac779830b2235847b72cb15cf07c7e3333c5e (git)
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    Linux Linux Affected: 3.0
Unaffected: 0 , < 3.0 (semver)
Unaffected: 5.10.247 , ≤ 5.10.* (semver)
Unaffected: 5.15.197 , ≤ 5.15.* (semver)
Unaffected: 6.1.159 , ≤ 6.1.* (semver)
Unaffected: 6.6.119 , ≤ 6.6.* (semver)
Unaffected: 6.12.61 , ≤ 6.12.* (semver)
Unaffected: 6.17.11 , ≤ 6.17.* (semver)
Unaffected: 6.18 , ≤ * (original_commit_for_fix)
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{
  "containers": {
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      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/usb/renesas_usbhs/common.c"
          ],
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          "defaultStatus": "affected",
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              "version": "0",
              "versionType": "semver"
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              "lessThanOrEqual": "5.10.*",
              "status": "unaffected",
              "version": "5.10.247",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.15.*",
              "status": "unaffected",
              "version": "5.15.197",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.1.*",
              "status": "unaffected",
              "version": "6.1.159",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.6.*",
              "status": "unaffected",
              "version": "6.6.119",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.12.*",
              "status": "unaffected",
              "version": "6.12.61",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.17.*",
              "status": "unaffected",
              "version": "6.17.11",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.18",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.10.247",
                  "versionStartIncluding": "3.0",
                  "vulnerable": true
                },
                {
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                  "versionEndExcluding": "5.15.197",
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                {
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                {
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              ],
              "negate": false,
              "operator": "OR"
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          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nusb: renesas_usbhs: Fix synchronous external abort on unbind\n\nA synchronous external abort occurs on the Renesas RZ/G3S SoC if unbind is\nexecuted after the configuration sequence described above:\n\nmodprobe usb_f_ecm\nmodprobe libcomposite\nmodprobe configfs\ncd /sys/kernel/config/usb_gadget\nmkdir -p g1\ncd g1\necho \"0x1d6b\" \u003e idVendor\necho \"0x0104\" \u003e idProduct\nmkdir -p strings/0x409\necho \"0123456789\" \u003e strings/0x409/serialnumber\necho \"Renesas.\" \u003e strings/0x409/manufacturer\necho \"Ethernet Gadget\" \u003e strings/0x409/product\nmkdir -p functions/ecm.usb0\nmkdir -p configs/c.1\nmkdir -p configs/c.1/strings/0x409\necho \"ECM\" \u003e configs/c.1/strings/0x409/configuration\n\nif [ ! -L configs/c.1/ecm.usb0 ]; then\n        ln -s functions/ecm.usb0 configs/c.1\nfi\n\necho 11e20000.usb \u003e UDC\necho 11e20000.usb \u003e /sys/bus/platform/drivers/renesas_usbhs/unbind\n\nThe displayed trace is as follows:\n\n Internal error: synchronous external abort: 0000000096000010 [#1] SMP\n CPU: 0 UID: 0 PID: 188 Comm: sh Tainted: G M 6.17.0-rc7-next-20250922-00010-g41050493b2bd #55 PREEMPT\n Tainted: [M]=MACHINE_CHECK\n Hardware name: Renesas SMARC EVK version 2 based on r9a08g045s33 (DT)\n pstate: 604000c5 (nZCv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--)\n pc : usbhs_sys_function_pullup+0x10/0x40 [renesas_usbhs]\n lr : usbhsg_update_pullup+0x3c/0x68 [renesas_usbhs]\n sp : ffff8000838b3920\n x29: ffff8000838b3920 x28: ffff00000d585780 x27: 0000000000000000\n x26: 0000000000000000 x25: 0000000000000000 x24: ffff00000c3e3810\n x23: ffff00000d5e5c80 x22: ffff00000d5e5d40 x21: 0000000000000000\n x20: 0000000000000000 x19: ffff00000d5e5c80 x18: 0000000000000020\n x17: 2e30303230316531 x16: 312d7968703a7968 x15: 3d454d414e5f4344\n x14: 000000000000002c x13: 0000000000000000 x12: 0000000000000000\n x11: ffff00000f358f38 x10: ffff00000f358db0 x9 : ffff00000b41f418\n x8 : 0101010101010101 x7 : 7f7f7f7f7f7f7f7f x6 : fefefeff6364626d\n x5 : 8080808000000000 x4 : 000000004b5ccb9d x3 : 0000000000000000\n x2 : 0000000000000000 x1 : ffff800083790000 x0 : ffff00000d5e5c80\n Call trace:\n usbhs_sys_function_pullup+0x10/0x40 [renesas_usbhs] (P)\n usbhsg_pullup+0x4c/0x7c [renesas_usbhs]\n usb_gadget_disconnect_locked+0x48/0xd4\n gadget_unbind_driver+0x44/0x114\n device_remove+0x4c/0x80\n device_release_driver_internal+0x1c8/0x224\n device_release_driver+0x18/0x24\n bus_remove_device+0xcc/0x10c\n device_del+0x14c/0x404\n usb_del_gadget+0x88/0xc0\n usb_del_gadget_udc+0x18/0x30\n usbhs_mod_gadget_remove+0x24/0x44 [renesas_usbhs]\n usbhs_mod_remove+0x20/0x30 [renesas_usbhs]\n usbhs_remove+0x98/0xdc [renesas_usbhs]\n platform_remove+0x20/0x30\n device_remove+0x4c/0x80\n device_release_driver_internal+0x1c8/0x224\n device_driver_detach+0x18/0x24\n unbind_store+0xb4/0xb8\n drv_attr_store+0x24/0x38\n sysfs_kf_write+0x7c/0x94\n kernfs_fop_write_iter+0x128/0x1b8\n vfs_write+0x2ac/0x350\n ksys_write+0x68/0xfc\n __arm64_sys_write+0x1c/0x28\n invoke_syscall+0x48/0x110\n el0_svc_common.constprop.0+0xc0/0xe0\n do_el0_svc+0x1c/0x28\n el0_svc+0x34/0xf0\n el0t_64_sync_handler+0xa0/0xe4\n el0t_64_sync+0x198/0x19c\n Code: 7100003f 1a9f07e1 531c6c22 f9400001 (79400021)\n ---[ end trace 0000000000000000 ]---\n note: sh[188] exited with irqs disabled\n note: sh[188] exited with preempt_count 1\n\nThe issue occurs because usbhs_sys_function_pullup(), which accesses the IP\nregisters, is executed after the USBHS clocks have been disabled. The\nproblem is reproducible on the Renesas RZ/G3S SoC starting with the\naddition of module stop in the clock enable/disable APIs. With module stop\nfunctionality enabled, a bus error is expected if a master accesses a\nmodule whose clock has been stopped and module stop activated.\n\nDisable the IP clocks at the end of remove."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-12-22T16:13:58.409Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/fd1a7bf3a8cac13f6d2d52d8c7570ba41621db9a"
        },
        {
          "url": "https://git.kernel.org/stable/c/cd5e86e34c66a831b5cb9b720ad411a006962cc8"
        },
        {
          "url": "https://git.kernel.org/stable/c/230b1bc1310edcd5c1b71dcd6b77ccba43139cb5"
        },
        {
          "url": "https://git.kernel.org/stable/c/9d86bc8b188a77c8d6f7252280ec2bd24ad6fbc1"
        },
        {
          "url": "https://git.kernel.org/stable/c/26838f147aeaa8f820ff799d72815fba5e209bd9"
        },
        {
          "url": "https://git.kernel.org/stable/c/aa658a6d5ac21c7cde54c6d015f2d4daff32e02d"
        },
        {
          "url": "https://git.kernel.org/stable/c/eb9ac779830b2235847b72cb15cf07c7e3333c5e"
        }
      ],
      "title": "usb: renesas_usbhs: Fix synchronous external abort on unbind",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2025-68327",
    "datePublished": "2025-12-22T16:12:21.402Z",
    "dateReserved": "2025-12-16T14:48:05.296Z",
    "dateUpdated": "2025-12-22T16:13:58.409Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2025-68327\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2025-12-22T17:16:00.353\",\"lastModified\":\"2025-12-23T14:51:52.650\",\"vulnStatus\":\"Awaiting Analysis\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nusb: renesas_usbhs: Fix synchronous external abort on unbind\\n\\nA synchronous external abort occurs on the Renesas RZ/G3S SoC if unbind is\\nexecuted after the configuration sequence described above:\\n\\nmodprobe usb_f_ecm\\nmodprobe libcomposite\\nmodprobe configfs\\ncd /sys/kernel/config/usb_gadget\\nmkdir -p g1\\ncd g1\\necho \\\"0x1d6b\\\" \u003e idVendor\\necho \\\"0x0104\\\" \u003e idProduct\\nmkdir -p strings/0x409\\necho \\\"0123456789\\\" \u003e strings/0x409/serialnumber\\necho \\\"Renesas.\\\" \u003e strings/0x409/manufacturer\\necho \\\"Ethernet Gadget\\\" \u003e strings/0x409/product\\nmkdir -p functions/ecm.usb0\\nmkdir -p configs/c.1\\nmkdir -p configs/c.1/strings/0x409\\necho \\\"ECM\\\" \u003e configs/c.1/strings/0x409/configuration\\n\\nif [ ! -L configs/c.1/ecm.usb0 ]; then\\n        ln -s functions/ecm.usb0 configs/c.1\\nfi\\n\\necho 11e20000.usb \u003e UDC\\necho 11e20000.usb \u003e /sys/bus/platform/drivers/renesas_usbhs/unbind\\n\\nThe displayed trace is as follows:\\n\\n Internal error: synchronous external abort: 0000000096000010 [#1] SMP\\n CPU: 0 UID: 0 PID: 188 Comm: sh Tainted: G M 6.17.0-rc7-next-20250922-00010-g41050493b2bd #55 PREEMPT\\n Tainted: [M]=MACHINE_CHECK\\n Hardware name: Renesas SMARC EVK version 2 based on r9a08g045s33 (DT)\\n pstate: 604000c5 (nZCv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--)\\n pc : usbhs_sys_function_pullup+0x10/0x40 [renesas_usbhs]\\n lr : usbhsg_update_pullup+0x3c/0x68 [renesas_usbhs]\\n sp : ffff8000838b3920\\n x29: ffff8000838b3920 x28: ffff00000d585780 x27: 0000000000000000\\n x26: 0000000000000000 x25: 0000000000000000 x24: ffff00000c3e3810\\n x23: ffff00000d5e5c80 x22: ffff00000d5e5d40 x21: 0000000000000000\\n x20: 0000000000000000 x19: ffff00000d5e5c80 x18: 0000000000000020\\n x17: 2e30303230316531 x16: 312d7968703a7968 x15: 3d454d414e5f4344\\n x14: 000000000000002c x13: 0000000000000000 x12: 0000000000000000\\n x11: ffff00000f358f38 x10: ffff00000f358db0 x9 : ffff00000b41f418\\n x8 : 0101010101010101 x7 : 7f7f7f7f7f7f7f7f x6 : fefefeff6364626d\\n x5 : 8080808000000000 x4 : 000000004b5ccb9d x3 : 0000000000000000\\n x2 : 0000000000000000 x1 : ffff800083790000 x0 : ffff00000d5e5c80\\n Call trace:\\n usbhs_sys_function_pullup+0x10/0x40 [renesas_usbhs] (P)\\n usbhsg_pullup+0x4c/0x7c [renesas_usbhs]\\n usb_gadget_disconnect_locked+0x48/0xd4\\n gadget_unbind_driver+0x44/0x114\\n device_remove+0x4c/0x80\\n device_release_driver_internal+0x1c8/0x224\\n device_release_driver+0x18/0x24\\n bus_remove_device+0xcc/0x10c\\n device_del+0x14c/0x404\\n usb_del_gadget+0x88/0xc0\\n usb_del_gadget_udc+0x18/0x30\\n usbhs_mod_gadget_remove+0x24/0x44 [renesas_usbhs]\\n usbhs_mod_remove+0x20/0x30 [renesas_usbhs]\\n usbhs_remove+0x98/0xdc [renesas_usbhs]\\n platform_remove+0x20/0x30\\n device_remove+0x4c/0x80\\n device_release_driver_internal+0x1c8/0x224\\n device_driver_detach+0x18/0x24\\n unbind_store+0xb4/0xb8\\n drv_attr_store+0x24/0x38\\n sysfs_kf_write+0x7c/0x94\\n kernfs_fop_write_iter+0x128/0x1b8\\n vfs_write+0x2ac/0x350\\n ksys_write+0x68/0xfc\\n __arm64_sys_write+0x1c/0x28\\n invoke_syscall+0x48/0x110\\n el0_svc_common.constprop.0+0xc0/0xe0\\n do_el0_svc+0x1c/0x28\\n el0_svc+0x34/0xf0\\n el0t_64_sync_handler+0xa0/0xe4\\n el0t_64_sync+0x198/0x19c\\n Code: 7100003f 1a9f07e1 531c6c22 f9400001 (79400021)\\n ---[ end trace 0000000000000000 ]---\\n note: sh[188] exited with irqs disabled\\n note: sh[188] exited with preempt_count 1\\n\\nThe issue occurs because usbhs_sys_function_pullup(), which accesses the IP\\nregisters, is executed after the USBHS clocks have been disabled. The\\nproblem is reproducible on the Renesas RZ/G3S SoC starting with the\\naddition of module stop in the clock enable/disable APIs. With module stop\\nfunctionality enabled, a bus error is expected if a master accesses a\\nmodule whose clock has been stopped and module stop activated.\\n\\nDisable the IP clocks at the end of remove.\"}],\"metrics\":{},\"references\":[{\"url\":\"https://git.kernel.org/stable/c/230b1bc1310edcd5c1b71dcd6b77ccba43139cb5\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/26838f147aeaa8f820ff799d72815fba5e209bd9\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/9d86bc8b188a77c8d6f7252280ec2bd24ad6fbc1\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/aa658a6d5ac21c7cde54c6d015f2d4daff32e02d\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/cd5e86e34c66a831b5cb9b720ad411a006962cc8\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/eb9ac779830b2235847b72cb15cf07c7e3333c5e\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/fd1a7bf3a8cac13f6d2d52d8c7570ba41621db9a\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}]}}"
  }
}


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Sightings

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  • 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.
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  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
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  • 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.