CVE-2025-39956

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[2]\n\nSince LED support is not mandatory, treat LED setup failures as\nnon-fatal and continue probe with a warning message, consequently\navoiding the kernel panic.\n\n[1]\n kernel BUG at net/core/dev.c:12047!\n Oops: invalid opcode: 0000 [#1] SMP NOPTI\n CPU: 0 UID: 0 PID: 937 Comm: repro-igc-led-e Not tainted 6.17.0-rc4-enjuk-tnguy-00865-gc4940196ab02 #64 PREEMPT(voluntary)\n Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014\n RIP: 0010:free_netdev+0x278/0x2b0\n [...]\n Call Trace:\n <TASK>\n igc_probe+0x370/0x910\n local_pci_probe+0x3a/0x80\n pci_device_probe+0xd1/0x200\n [...]\n\n[2]\n #!/bin/bash -ex\n\n FAILSLAB_PATH=/sys/kernel/debug/failslab/\n DEVICE=0000:00:05.0\n START_ADDR=$(grep \" igc_led_setup\" /proc/kallsyms \\\n | awk '{printf(\"0x%s\", $1)}')\n END_ADDR=$(printf \"0x%x\" $((START_ADDR + 0x100)))\n\n echo $START_ADDR > $FAILSLAB_PATH/require-start\n echo $END_ADDR > $FAILSLAB_PATH/require-end\n echo 1 > $FAILSLAB_PATH/times\n echo 100 > $FAILSLAB_PATH/probability\n echo N > $FAILSLAB_PATH/ignore-gfp-wait\n\n echo $DEVICE > /sys/bus/pci/drivers/igc/bind"}], "metrics": [{"cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "baseScore": 7.8, "baseSeverity": "HIGH"}, "scenarios": [{"lang": "en", "value": "AV:L - The vulnerable path is a PCI driver probe reached locally (sysfs bind, module load, PCI rescan/hotplug), and the resulting corrupted-but-registered netdev is exercised through local syscalls (ioctl, socket TX, /proc/net/dev). No remote or adjacent network input reaches `igc_probe()`.\nAC:L - The failure is deterministic once `igc_led_setup()` returns an error \u2014 the commit's own reproducer makes it fire 100% of the time \u2014 and the required slab-allocation failure is reachable through ordinary memory-exhaustion pressure with no race to win and no unknowable memory layout required.\nPR:L - A low-privileged local user can drive the system-wide slab exhaustion that makes the GFP_KERNEL allocations in `igc_led_setup()`/`led_classdev_register()` fail during any probe event, and every follow-on use-after-free on the gutted-but-registered netdev (packet transmit, `/proc/net/dev` reads, ethtool GET ioctls) is reachable with no privileges at all.\nUI:N - `igc_probe()` runs automatically on device enumeration, module load, or hotplug with no victim action required, and the post-oops UAF state is reachable without any user cooperation.\nS:U - The BUG(), the premature frees and the dangling driver/iomem state all occur inside the kernel's own security authority; no VM, IOMMU, or sandbox boundary is crossed.\nC:H - `free_netdev()` releases `dev->ethtool`, `dev->_tx`/`dev->_rx` queue arrays and the percpu refcount/stats before hitting the BUG_ON, leaving a still-registered net_device whose freed slab objects can be reallocated and read back through unprivileged ethtool/stat/transmit paths, yielding arbitrary kernel heap disclosure.\nI:H - The same dangling `netdev_queue`/`struct ethtool` pointers on a live registered device give a use-after-free write primitive on attacker-sprayable slab memory, plus writes through the iounmap'd MMIO pointer and freed igc rings retained by the still-active adapter.\nA:H - `BUG_ON(dev->reg_state != NETREG_UNREGISTERED)` fires an invalid-opcode oops that is an immediate panic on `panic_on_oops`/hardened embedded builds, and even when it isn't the probe thread dies holding `device_lock()`, permanently wedging bind/unbind/rmmod and leaving a netdev whose next use crashes the kernel."}]}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/net/ethernet/intel/igc/igc.h", "drivers/net/ethernet/intel/igc/igc_main.c"], "versions": [{"version": "ea578703b03d5d651b091c39f717dc829155b520", "lessThan": "bec504867acc7315de9cd96ef9161fa52a25abe8", "status": "affected", "versionType": "git"}, {"version": "ea578703b03d5d651b091c39f717dc829155b520", "lessThan": "f05e82d8553232cef150a6dbb70ed67d162abb2b", "status": "affected", "versionType": "git"}, {"version": "ea578703b03d5d651b091c39f717dc829155b520", "lessThan": "528eb4e19ec0df30d0c9ae4074ce945667dde919", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/net/ethernet/intel/igc/igc.h", "drivers/net/ethernet/intel/igc/igc_main.c"], "versions": [{"version": "6.9", "status": "affected"}, {"version": "0", "lessThan": "6.9", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.49", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.16.9", "lessThanOrEqual": "6.16.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.17", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix"}]}], "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.9", "versionEndExcluding": "6.12.49"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.9", "versionEndExcluding": "6.16.9"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.9", "versionEndExcluding": "6.17"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/bec504867acc7315de9cd96ef9161fa52a25abe8"}, {"url": "https://git.kernel.org/stable/c/f05e82d8553232cef150a6dbb70ed67d162abb2b"}, {"url": "https://git.kernel.org/stable/c/528eb4e19ec0df30d0c9ae4074ce945667dde919"}], "title": "igc: don't fail igc_probe() on LED setup error", "x_generator": {"engine": "bippy-1.2.0"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2025-39956", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2026-10-15T21:55:00.586485Z"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-10-15T22:02:33.822Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2025-39956", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2026-10-15T21:55:00.586485Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-10-15T21:55:01.381Z"}}], "cna": {"title": "igc: don't fail igc_probe() on LED setup error", "metrics": [{"cvssV3_1": {"version": "3.1", "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"}, "scenarios": [{"lang": "en", "value": "AV:L - The vulnerable path is a PCI driver probe reached locally (sysfs bind, module load, PCI rescan/hotplug), and the resulting corrupted-but-registered netdev is exercised through local syscalls (ioctl, socket TX, /proc/net/dev). No remote or adjacent network input reaches `igc_probe()`.\nAC:L - The failure is deterministic once `igc_led_setup()` returns an error \u2014 the commit's own reproducer makes it fire 100% of the time \u2014 and the required slab-allocation failure is reachable through ordinary memory-exhaustion pressure with no race to win and no unknowable memory layout required.\nPR:L - A low-privileged local user can drive the system-wide slab exhaustion that makes the GFP_KERNEL allocations in `igc_led_setup()`/`led_classdev_register()` fail during any probe event, and every follow-on use-after-free on the gutted-but-registered netdev (packet transmit, `/proc/net/dev` reads, ethtool GET ioctls) is reachable with no privileges at all.\nUI:N - `igc_probe()` runs automatically on device enumeration, module load, or hotplug with no victim action required, and the post-oops UAF state is reachable without any user cooperation.\nS:U - The BUG(), the premature frees and the dangling driver/iomem state all occur inside the kernel's own security authority; no VM, IOMMU, or sandbox boundary is crossed.\nC:H - `free_netdev()` releases `dev->ethtool`, `dev->_tx`/`dev->_rx` queue arrays and the percpu refcount/stats before hitting the BUG_ON, leaving a still-registered net_device whose freed slab objects can be reallocated and read back through unprivileged ethtool/stat/transmit paths, yielding arbitrary kernel heap disclosure.\nI:H - The same dangling `netdev_queue`/`struct ethtool` pointers on a live registered device give a use-after-free write primitive on attacker-sprayable slab memory, plus writes through the iounmap'd MMIO pointer and freed igc rings retained by the still-active adapter.\nA:H - `BUG_ON(dev->reg_state != NETREG_UNREGISTERED)` fires an invalid-opcode oops that is an immediate panic on `panic_on_oops`/hardened embedded builds, and even when it isn't the probe thread dies holding `device_lock()`, permanently wedging bind/unbind/rmmod and leaving a netdev whose next use crashes the kernel."}]}], "affected": [{"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "ea578703b03d5d651b091c39f717dc829155b520", "lessThan": "bec504867acc7315de9cd96ef9161fa52a25abe8", "versionType": "git"}, {"status": "affected", "version": "ea578703b03d5d651b091c39f717dc829155b520", "lessThan": "f05e82d8553232cef150a6dbb70ed67d162abb2b", "versionType": "git"}, {"status": "affected", "version": "ea578703b03d5d651b091c39f717dc829155b520", "lessThan": "528eb4e19ec0df30d0c9ae4074ce945667dde919", "versionType": "git"}], "programFiles": ["drivers/net/ethernet/intel/igc/igc.h", "drivers/net/ethernet/intel/igc/igc_main.c"], "defaultStatus": "unaffected"}, {"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "6.9"}, {"status": "unaffected", "version": "0", "lessThan": "6.9", "versionType": "semver"}, {"status": "unaffected", "version": "6.12.49", "versionType": "semver", "lessThanOrEqual": "6.12.*"}, {"status": "unaffected", "version": "6.16.9", "versionType": "semver", "lessThanOrEqual": "6.16.*"}, {"status": "unaffected", "version": "6.17", "versionType": "original_commit_for_fix", "lessThanOrEqual": "*"}], "programFiles": ["drivers/net/ethernet/intel/igc/igc.h", "drivers/net/ethernet/intel/igc/igc_main.c"], "defaultStatus": "affected"}], "references": [{"url": "https://git.kernel.org/stable/c/bec504867acc7315de9cd96ef9161fa52a25abe8"}, {"url": "https://git.kernel.org/stable/c/f05e82d8553232cef150a6dbb70ed67d162abb2b"}, {"url": "https://git.kernel.org/stable/c/528eb4e19ec0df30d0c9ae4074ce945667dde919"}], "x_generator": {"engine": "bippy-1.2.0"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nigc: don't fail igc_probe() on LED setup error\n\nWhen igc_led_setup() fails, igc_probe() fails and triggers kernel panic\nin free_netdev() since unregister_netdev() is not called. [1]\nThis behavior can be tested using fault-injection framework, especially\nthe failslab feature. [2]\n\nSince LED support is not mandatory, treat LED setup failures as\nnon-fatal and continue probe with a warning message, consequently\navoiding the kernel panic.\n\n[1]\n kernel BUG at net/core/dev.c:12047!\n Oops: invalid opcode: 0000 [#1] SMP NOPTI\n CPU: 0 UID: 0 PID: 937 Comm: repro-igc-led-e Not tainted 6.17.0-rc4-enjuk-tnguy-00865-gc4940196ab02 #64 PREEMPT(voluntary)\n Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014\n RIP: 0010:free_netdev+0x278/0x2b0\n [...]\n Call Trace:\n <TASK>\n igc_probe+0x370/0x910\n local_pci_probe+0x3a/0x80\n pci_device_probe+0xd1/0x200\n [...]\n\n[2]\n #!/bin/bash -ex\n\n FAILSLAB_PATH=/sys/kernel/debug/failslab/\n DEVICE=0000:00:05.0\n START_ADDR=$(grep \" igc_led_setup\" /proc/kallsyms \\\n | awk '{printf(\"0x%s\", $1)}')\n END_ADDR=$(printf \"0x%x\" $((START_ADDR + 0x100)))\n\n echo $START_ADDR > $FAILSLAB_PATH/require-start\n echo $END_ADDR > $FAILSLAB_PATH/require-end\n echo 1 > $FAILSLAB_PATH/times\n echo 100 > $FAILSLAB_PATH/probability\n echo N > $FAILSLAB_PATH/ignore-gfp-wait\n\n echo $DEVICE > /sys/bus/pci/drivers/igc/bind"}], "cpeApplicability": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.12.49", "versionStartIncluding": "6.9"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.16.9", "versionStartIncluding": "6.9"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.17", "versionStartIncluding": "6.9"}], "operator": "OR"}]}], "providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-08-05T12:06:26.765Z"}}}, "cveMetadata": {"cveId": "CVE-2025-39956", "state": "PUBLISHED", "dateUpdated": "2026-10-15T22:02:33.822Z", "dateReserved": "2025-04-16T07:20:57.149Z", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "datePublished": "2025-10-09T09:47:34.253Z", "assignerShortName": "Linux"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["drivers/net/ethernet/intel/igc/igc.h", "drivers/net/ethernet/intel/igc/igc_main.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "bec504867acc7315de9cd96ef9161fa52a25abe8", "status": "affected", "version": "ea578703b03d5d651b091c39f717dc829155b520", "versionType": "git"}, {"lessThan": "f05e82d8553232cef150a6dbb70ed67d162abb2b", "status": "affected", "version": "ea578703b03d5d651b091c39f717dc829155b520", "versionType": "git"}, {"lessThan": "528eb4e19ec0df30d0c9ae4074ce945667dde919", "status": "affected", "version": "ea578703b03d5d651b091c39f717dc829155b520", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["drivers/net/ethernet/intel/igc/igc.h", "drivers/net/ethernet/intel/igc/igc_main.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "6.9"}, {"lessThan": "6.9", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "6.12.*", "status": "unaffected", "version": "6.12.49", "versionType": "semver"}, {"lessThanOrEqual": "6.16.*", "status": "unaffected", "version": "6.16.9", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "6.17", "versionType": "original_commit_for_fix"}]}], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "6C825A69-935C-412D-8F6B-753F4AC22FC1", "versionEndExcluding": "6.12.49", "versionStartIncluding": "6.9", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "638DD910-1189-4F5E-98BF-2D436B695112", "versionEndExcluding": "6.16.9", "versionStartIncluding": "6.13", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.17:rc1:*:*:*:*:*:*", "matchCriteriaId": "327D22EF-390B-454C-BD31-2ED23C998A1C", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.17:rc2:*:*:*:*:*:*", "matchCriteriaId": "C730CD9A-D969-4A8E-9522-162AAF7C0EE9", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.17:rc3:*:*:*:*:*:*", "matchCriteriaId": "39982C4B-716E-4B2F-8196-FA301F47807D", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.17:rc4:*:*:*:*:*:*", "matchCriteriaId": "340BEEA9-D70D-4290-B502-FBB1032353B1", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.17:rc5:*:*:*:*:*:*", "matchCriteriaId": "47E4C5C0-079F-4838-971B-8C503D48FCC2", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.17:rc6:*:*:*:*:*:*", "matchCriteriaId": "5A4516A6-C12E-42A4-8C0E-68AEF3264504", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nigc: don't fail igc_probe() on LED setup error\n\nWhen igc_led_setup() fails, igc_probe() fails and triggers kernel panic\nin free_netdev() since unregister_netdev() is not called. [1]\nThis behavior can be tested using fault-injection framework, especially\nthe failslab feature. [2]\n\nSince LED support is not mandatory, treat LED setup failures as\nnon-fatal and continue probe with a warning message, consequently\navoiding the kernel panic.\n\n[1]\n kernel BUG at net/core/dev.c:12047!\n Oops: invalid opcode: 0000 [#1] SMP NOPTI\n CPU: 0 UID: 0 PID: 937 Comm: repro-igc-led-e Not tainted 6.17.0-rc4-enjuk-tnguy-00865-gc4940196ab02 #64 PREEMPT(voluntary)\n Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014\n RIP: 0010:free_netdev+0x278/0x2b0\n [...]\n Call Trace:\n <TASK>\n igc_probe+0x370/0x910\n local_pci_probe+0x3a/0x80\n pci_device_probe+0xd1/0x200\n [...]\n\n[2]\n #!/bin/bash -ex\n\n FAILSLAB_PATH=/sys/kernel/debug/failslab/\n DEVICE=0000:00:05.0\n START_ADDR=$(grep \" igc_led_setup\" /proc/kallsyms \\\n | awk '{printf(\"0x%s\", $1)}')\n END_ADDR=$(printf \"0x%x\" $((START_ADDR + 0x100)))\n\n echo $START_ADDR > $FAILSLAB_PATH/require-start\n echo $END_ADDR > $FAILSLAB_PATH/require-end\n echo 1 > $FAILSLAB_PATH/times\n echo 100 > $FAILSLAB_PATH/probability\n echo N > $FAILSLAB_PATH/ignore-gfp-wait\n\n echo $DEVICE > /sys/bus/pci/drivers/igc/bind"}, {"lang": "es", "value": "En el kernel de Linux, la siguiente vulnerabilidad ha sido resuelta:\n\nigc: no fallar igc_probe() en error de configuraci\u00f3n de LED\n\nCuando igc_led_setup() falla, igc_probe() falla y dispara un p\u00e1nico del kernel\nen free_netdev() ya que unregister_netdev() no es llamado. [1]\nEste comportamiento puede ser probado usando el framework de inyecci\u00f3n de fallos, especialmente\nla caracter\u00edstica failslab. [2]\n\nDado que el soporte de LED no es obligatorio, tratar los fallos de configuraci\u00f3n de LED como\nno fatales y continuar la sonda con un mensaje de advertencia, consecuentemente\nevitando el p\u00e1nico del kernel.\n\n[1]\n BUG del kernel en net/core/dev.c:12047!\n Oops: c\u00f3digo de operaci\u00f3n inv\u00e1lido: 0000 [#1] SMP NOPTI\n CPU: 0 UID: 0 PID: 937 Comm: repro-igc-led-e No contaminado 6.17.0-rc4-enjuk-tnguy-00865-gc4940196ab02 #64 PREEMPT(voluntario)\n Nombre del hardware: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014\n RIP: 0010:free_netdev+0x278/0x2b0\n [...]\n Traza de llamada:\n <TAREA>\n igc_probe+0x370/0x910\n local_pci_probe+0x3a/0x80\n pci_device_probe+0xd1/0x200\n [...]\n\n[2]\n #!/bin/bash -ex\n\n FAILSLAB_PATH=/sys/kernel/debug/failslab/\n DEVICE=0000:00:05.0\n START_ADDR=$(grep \u201c igc_led_setup\u201d /proc/kallsyms \\\n | awk '{printf(\u201c0x%s\u201d, $1)}')\n END_ADDR=$(printf \u201c0x%x\u201d $((START_ADDR + 0x100)))\n\n echo $START_ADDR > $FAILSLAB_PATH/require-start\n echo $END_ADDR > $FAILSLAB_PATH/require-end\n echo 1 > $FAILSLAB_PATH/times\n echo 100 > $FAILSLAB_PATH/probability\n echo N > $FAILSLAB_PATH/ignore-gfp-wait\n\n echo $DEVICE > /sys/bus/pci/drivers/igc/bind"}], "id": "CVE-2025-39956", "lastModified": "2026-10-19T21:10:00.160", "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": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2025-39956", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2026-10-15T21:55:00.586485Z", "version": "2.0.3"}}]}, "published": "2025-10-09T10:15:36.813", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/528eb4e19ec0df30d0c9ae4074ce945667dde919"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/bec504867acc7315de9cd96ef9161fa52a25abe8"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/f05e82d8553232cef150a6dbb70ed67d162abb2b"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "NVD-CWE-noinfo"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: igc: don't fail igc_probe() on LED setup error", "id": "2402701", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2402701"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.0", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H", "status": "draft"}, "details": ["No description is available for this CVE."], "name": "CVE-2025-39956", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2025-10-09T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2025-39956\nhttps://nvd.nist.gov/vuln/detail/CVE-2025-39956\nhttps://lore.kernel.org/linux-cve-announce/2025100942-CVE-2025-39956-52bf@gregkh/T"], "threat_severity": "Moderate"}

{"created": "2025-10-09T12:51:09.848780+00:00", "updated": "2025-10-09T12:51:09.848808+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}