CVE-2025-39969

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2025-39969", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-04-16T07:20:57.149Z", "datePublished": "2025-10-15T07:55:52.948Z", "dateUpdated": "2026-10-15T22:02:34.578Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-08-05T12:06:38.466Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ni40e: fix validation of VF state in get resources\n\nVF state I40E_VF_STATE_ACTIVE is not the only state in which\nVF is actually active so it should not be used to determine\nif a VF is allowed to obtain resources.\n\nUse I40E_VF_STATE_RESOURCES_LOADED that is set only in\ni40e_vc_get_vf_resources_msg() and cleared during reset."}], "metrics": [{"cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H", "baseScore": 8.8, "baseSeverity": "HIGH"}, "scenarios": [{"lang": "en", "value": "AV:L - The attack is delivered over the i40e SR-IOV virtchnl mailbox by a VF the attacker already controls (guest VM with VF passthrough, or a VFIO-owning container), not over any network protocol. This is local access from the attacking context into the host PF driver.\nAC:L - `VIRTCHNL_OP_GET_VF_RESOURCES` is accepted unconditionally whenever `I40E_VF_STATE_INIT` is set, so the VF can replay it deterministically at any time with no grooming; the deterministic damage (filter teardown, `driver_caps`/`RDMAENA` reset, spurious `ACTIVE`) needs no race at all, and the freed-VSI window is widened by the handler's own `GFP_KERNEL` sleep, which the attacker can hammer at will.\nPR:L - The attacker only needs the ability to drive the VF's admin queue \u2014 kernel/root inside the assigned guest or possession of the VFIO device \u2014 which is a low-privileged position with respect to the host PF driver under attack. No host-side privileges are required.\nUI:N - The malicious VF sends the virtchnl messages entirely on its own initiative. No host administrator or other user action is needed at any point.\nS:C - The attacker executes in a guest VM (or VF-assigned container) while the corrupted state, the freed-VSI accesses, and the MAC-filter/MMIO programming all occur in the host PF driver's security authority. Impact reaches the hypervisor and other VFs/guests sharing the adapter, crossing the guest/host boundary.\nC:H - The unserialized handler reads `vsi->info.pvid`, `vsi->alloc_queue_pairs` and `vsi->info.qs_handle[0]` from a VSI that `i40e_free_vf_res()` may have already released and echoes those values back to the guest in the `virtchnl_vf_resource` reply, turning a use-after-free read into a direct host-memory disclosure channel. The VF can also read back state belonging to the PF's main VSI when `lan_vsi_idx` has been zeroed.\nI:H - The same path performs `spin_lock_bh(&vsi->mac_filter_hash_lock)` and `i40e_del_mac_filter()` \u2014 lock and hash-list writes \u2014 on freed memory, a classic UAF write primitive, and can be aimed at `pf->vsi[0]` (the host's main VSI) to delete the host's own L2 filters. Re-toggling `I40E_VF_STATE_RDMAENA` additionally re-opens `i40e_config_rdma_qvlist()`, which programs `I40E_VPINT_CEQCTL` from an unvalidated VF-supplied index.\nA:H - Dereferencing a released `struct i40e_vsi` and taking a spinlock inside freed memory will oops or panic the host kernel, and tearing down a live VF's MAC filters plus corrupting the PF's ACTIVE/RDMA state wedges networking for that VF and the adapter. A host panic takes down the hypervisor and every guest on it, and the VF can retrigger the condition indefinitely."}]}], "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/i40e/i40e_virtchnl_pf.c", "drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.h"], "versions": [{"version": "171527da84149c2c7aa6a60a64b09d24f3546298", "lessThan": "185745d56ec958bf8aa773828213237dfcc32f5a", "status": "affected", "versionType": "git"}, {"version": "eb87117c27e729b0aeef4d72ed40d6a1761b0f68", "lessThan": "f47876788a23de296c42ef9d505b5c1630f0b4b8", "status": "affected", "versionType": "git"}, {"version": "2132643b956f553f5abddc9bae20dae267b082e0", "lessThan": "8e35c80f8570426fe0f0cc92b151ebd835975f22", "status": "affected", "versionType": "git"}, {"version": "61125b8be85dfbc7e9c7fe1cc6c6d631ab603516", "lessThan": "6c3981fd59ef11a75005ac9978f034da5a168b6a", "status": "affected", "versionType": "git"}, {"version": "61125b8be85dfbc7e9c7fe1cc6c6d631ab603516", "lessThan": "e748f1ee493f88e38b77363a60499f979d42c58a", "status": "affected", "versionType": "git"}, {"version": "61125b8be85dfbc7e9c7fe1cc6c6d631ab603516", "lessThan": "6128bbc7adc25c87c2f64b5eb66a280b78ef7ab7", "status": "affected", "versionType": "git"}, {"version": "61125b8be85dfbc7e9c7fe1cc6c6d631ab603516", "lessThan": "a991dc56d3e9a2c3db87d0c3f03c24f6595400f1", "status": "affected", "versionType": "git"}, {"version": "61125b8be85dfbc7e9c7fe1cc6c6d631ab603516", "lessThan": "877b7e6ffc23766448236e8732254534c518ba42", "status": "affected", "versionType": "git"}, {"version": "5.4.165", "lessThan": "5.4.300", "status": "affected", "versionType": "semver"}, {"version": "5.10.85", "lessThan": "5.10.245", "status": "affected", "versionType": "semver"}, {"version": "5.15.8", "lessThan": "5.15.194", "status": "affected", "versionType": "semver"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c", "drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.h"], "versions": [{"version": "5.16", "status": "affected"}, {"version": "0", "lessThan": "5.16", "status": "unaffected", "versionType": "semver"}, {"version": "5.4.300", "lessThanOrEqual": "5.4.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.10.245", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.194", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.155", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.109", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.50", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.16.10", "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": "5.4.165", "versionEndExcluding": "5.4.300"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.10.85", "versionEndExcluding": "5.10.245"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.15.8", "versionEndExcluding": "5.15.194"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.16", "versionEndExcluding": "6.1.155"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.16", "versionEndExcluding": "6.6.109"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.16", "versionEndExcluding": "6.12.50"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.16", "versionEndExcluding": "6.16.10"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.16", "versionEndExcluding": "6.17"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/185745d56ec958bf8aa773828213237dfcc32f5a"}, {"url": "https://git.kernel.org/stable/c/f47876788a23de296c42ef9d505b5c1630f0b4b8"}, {"url": "https://git.kernel.org/stable/c/8e35c80f8570426fe0f0cc92b151ebd835975f22"}, {"url": "https://git.kernel.org/stable/c/6c3981fd59ef11a75005ac9978f034da5a168b6a"}, {"url": "https://git.kernel.org/stable/c/e748f1ee493f88e38b77363a60499f979d42c58a"}, {"url": "https://git.kernel.org/stable/c/6128bbc7adc25c87c2f64b5eb66a280b78ef7ab7"}, {"url": "https://git.kernel.org/stable/c/a991dc56d3e9a2c3db87d0c3f03c24f6595400f1"}, {"url": "https://git.kernel.org/stable/c/877b7e6ffc23766448236e8732254534c518ba42"}], "title": "i40e: fix validation of VF state in get resources", "x_generator": {"engine": "bippy-1.2.0"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2025-39969", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2026-10-15T21:55:24.332500Z"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-10-15T22:02:34.578Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2025-39969", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2026-10-15T21:55:24.332500Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-10-15T21:55:24.897Z"}}], "cna": {"title": "i40e: fix validation of VF state in get resources", "metrics": [{"cvssV3_1": {"version": "3.1", "baseScore": 8.8, "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H"}, "scenarios": [{"lang": "en", "value": "AV:L - The attack is delivered over the i40e SR-IOV virtchnl mailbox by a VF the attacker already controls (guest VM with VF passthrough, or a VFIO-owning container), not over any network protocol. This is local access from the attacking context into the host PF driver.\nAC:L - `VIRTCHNL_OP_GET_VF_RESOURCES` is accepted unconditionally whenever `I40E_VF_STATE_INIT` is set, so the VF can replay it deterministically at any time with no grooming; the deterministic damage (filter teardown, `driver_caps`/`RDMAENA` reset, spurious `ACTIVE`) needs no race at all, and the freed-VSI window is widened by the handler's own `GFP_KERNEL` sleep, which the attacker can hammer at will.\nPR:L - The attacker only needs the ability to drive the VF's admin queue \u2014 kernel/root inside the assigned guest or possession of the VFIO device \u2014 which is a low-privileged position with respect to the host PF driver under attack. No host-side privileges are required.\nUI:N - The malicious VF sends the virtchnl messages entirely on its own initiative. No host administrator or other user action is needed at any point.\nS:C - The attacker executes in a guest VM (or VF-assigned container) while the corrupted state, the freed-VSI accesses, and the MAC-filter/MMIO programming all occur in the host PF driver's security authority. Impact reaches the hypervisor and other VFs/guests sharing the adapter, crossing the guest/host boundary.\nC:H - The unserialized handler reads `vsi->info.pvid`, `vsi->alloc_queue_pairs` and `vsi->info.qs_handle[0]` from a VSI that `i40e_free_vf_res()` may have already released and echoes those values back to the guest in the `virtchnl_vf_resource` reply, turning a use-after-free read into a direct host-memory disclosure channel. The VF can also read back state belonging to the PF's main VSI when `lan_vsi_idx` has been zeroed.\nI:H - The same path performs `spin_lock_bh(&vsi->mac_filter_hash_lock)` and `i40e_del_mac_filter()` \u2014 lock and hash-list writes \u2014 on freed memory, a classic UAF write primitive, and can be aimed at `pf->vsi[0]` (the host's main VSI) to delete the host's own L2 filters. Re-toggling `I40E_VF_STATE_RDMAENA` additionally re-opens `i40e_config_rdma_qvlist()`, which programs `I40E_VPINT_CEQCTL` from an unvalidated VF-supplied index.\nA:H - Dereferencing a released `struct i40e_vsi` and taking a spinlock inside freed memory will oops or panic the host kernel, and tearing down a live VF's MAC filters plus corrupting the PF's ACTIVE/RDMA state wedges networking for that VF and the adapter. A host panic takes down the hypervisor and every guest on it, and the VF can retrigger the condition indefinitely."}]}], "affected": [{"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "171527da84149c2c7aa6a60a64b09d24f3546298", "lessThan": "185745d56ec958bf8aa773828213237dfcc32f5a", "versionType": "git"}, {"status": "affected", "version": "eb87117c27e729b0aeef4d72ed40d6a1761b0f68", "lessThan": "f47876788a23de296c42ef9d505b5c1630f0b4b8", "versionType": "git"}, {"status": "affected", "version": "2132643b956f553f5abddc9bae20dae267b082e0", "lessThan": "8e35c80f8570426fe0f0cc92b151ebd835975f22", "versionType": "git"}, {"status": "affected", "version": "61125b8be85dfbc7e9c7fe1cc6c6d631ab603516", "lessThan": "6c3981fd59ef11a75005ac9978f034da5a168b6a", "versionType": "git"}, {"status": "affected", "version": "61125b8be85dfbc7e9c7fe1cc6c6d631ab603516", "lessThan": "e748f1ee493f88e38b77363a60499f979d42c58a", "versionType": "git"}, {"status": "affected", "version": "61125b8be85dfbc7e9c7fe1cc6c6d631ab603516", "lessThan": "6128bbc7adc25c87c2f64b5eb66a280b78ef7ab7", "versionType": "git"}, {"status": "affected", "version": "61125b8be85dfbc7e9c7fe1cc6c6d631ab603516", "lessThan": "a991dc56d3e9a2c3db87d0c3f03c24f6595400f1", "versionType": "git"}, {"status": "affected", "version": "61125b8be85dfbc7e9c7fe1cc6c6d631ab603516", "lessThan": "877b7e6ffc23766448236e8732254534c518ba42", "versionType": "git"}, {"status": "affected", "version": "5.4.165", "lessThan": "5.4.300", "versionType": "semver"}, {"status": "affected", "version": "5.10.85", "lessThan": "5.10.245", "versionType": "semver"}, {"status": "affected", "version": "5.15.8", "lessThan": "5.15.194", "versionType": "semver"}], "programFiles": ["drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c", "drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.h"], "defaultStatus": "unaffected"}, {"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "5.16"}, {"status": "unaffected", "version": "0", "lessThan": "5.16", "versionType": "semver"}, {"status": "unaffected", "version": "5.4.300", "versionType": "semver", "lessThanOrEqual": "5.4.*"}, {"status": "unaffected", "version": "5.10.245", "versionType": "semver", "lessThanOrEqual": "5.10.*"}, {"status": "unaffected", "version": "5.15.194", "versionType": "semver", "lessThanOrEqual": "5.15.*"}, {"status": "unaffected", "version": "6.1.155", "versionType": "semver", "lessThanOrEqual": "6.1.*"}, {"status": "unaffected", "version": "6.6.109", "versionType": "semver", "lessThanOrEqual": "6.6.*"}, {"status": "unaffected", "version": "6.12.50", "versionType": "semver", "lessThanOrEqual": "6.12.*"}, {"status": "unaffected", "version": "6.16.10", "versionType": "semver", "lessThanOrEqual": "6.16.*"}, {"status": "unaffected", "version": "6.17", "versionType": "original_commit_for_fix", "lessThanOrEqual": "*"}], "programFiles": ["drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c", "drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.h"], "defaultStatus": "affected"}], "references": [{"url": "https://git.kernel.org/stable/c/185745d56ec958bf8aa773828213237dfcc32f5a"}, {"url": "https://git.kernel.org/stable/c/f47876788a23de296c42ef9d505b5c1630f0b4b8"}, {"url": "https://git.kernel.org/stable/c/8e35c80f8570426fe0f0cc92b151ebd835975f22"}, {"url": "https://git.kernel.org/stable/c/6c3981fd59ef11a75005ac9978f034da5a168b6a"}, {"url": "https://git.kernel.org/stable/c/e748f1ee493f88e38b77363a60499f979d42c58a"}, {"url": "https://git.kernel.org/stable/c/6128bbc7adc25c87c2f64b5eb66a280b78ef7ab7"}, {"url": "https://git.kernel.org/stable/c/a991dc56d3e9a2c3db87d0c3f03c24f6595400f1"}, {"url": "https://git.kernel.org/stable/c/877b7e6ffc23766448236e8732254534c518ba42"}], "x_generator": {"engine": "bippy-1.2.0"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ni40e: fix validation of VF state in get resources\n\nVF state I40E_VF_STATE_ACTIVE is not the only state in which\nVF is actually active so it should not be used to determine\nif a VF is allowed to obtain resources.\n\nUse I40E_VF_STATE_RESOURCES_LOADED that is set only in\ni40e_vc_get_vf_resources_msg() and cleared during reset."}], "cpeApplicability": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "5.4.300", "versionStartIncluding": "5.4.165"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "5.10.245", "versionStartIncluding": "5.10.85"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "5.15.194", "versionStartIncluding": "5.15.8"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.1.155", "versionStartIncluding": "5.16"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.6.109", "versionStartIncluding": "5.16"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.12.50", "versionStartIncluding": "5.16"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.16.10", "versionStartIncluding": "5.16"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.17", "versionStartIncluding": "5.16"}], "operator": "OR"}]}], "providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-08-05T12:06:38.466Z"}}}, "cveMetadata": {"cveId": "CVE-2025-39969", "state": "PUBLISHED", "dateUpdated": "2026-10-15T22:02:34.578Z", "dateReserved": "2025-04-16T07:20:57.149Z", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "datePublished": "2025-10-15T07:55:52.948Z", "assignerShortName": "Linux"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c", "drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.h"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "185745d56ec958bf8aa773828213237dfcc32f5a", "status": "affected", "version": "171527da84149c2c7aa6a60a64b09d24f3546298", "versionType": "git"}, {"lessThan": "f47876788a23de296c42ef9d505b5c1630f0b4b8", "status": "affected", "version": "eb87117c27e729b0aeef4d72ed40d6a1761b0f68", "versionType": "git"}, {"lessThan": "8e35c80f8570426fe0f0cc92b151ebd835975f22", "status": "affected", "version": "2132643b956f553f5abddc9bae20dae267b082e0", "versionType": "git"}, {"lessThan": "6c3981fd59ef11a75005ac9978f034da5a168b6a", "status": "affected", "version": "61125b8be85dfbc7e9c7fe1cc6c6d631ab603516", "versionType": "git"}, {"lessThan": "e748f1ee493f88e38b77363a60499f979d42c58a", "status": "affected", "version": "61125b8be85dfbc7e9c7fe1cc6c6d631ab603516", "versionType": "git"}, {"lessThan": "6128bbc7adc25c87c2f64b5eb66a280b78ef7ab7", "status": "affected", "version": "61125b8be85dfbc7e9c7fe1cc6c6d631ab603516", "versionType": "git"}, {"lessThan": "a991dc56d3e9a2c3db87d0c3f03c24f6595400f1", "status": "affected", "version": "61125b8be85dfbc7e9c7fe1cc6c6d631ab603516", "versionType": "git"}, {"lessThan": "877b7e6ffc23766448236e8732254534c518ba42", "status": "affected", "version": "61125b8be85dfbc7e9c7fe1cc6c6d631ab603516", "versionType": "git"}, {"lessThan": "5.4.300", "status": "affected", "version": "5.4.165", "versionType": "semver"}, {"lessThan": "5.10.245", "status": "affected", "version": "5.10.85", "versionType": "semver"}, {"lessThan": "5.15.194", "status": "affected", "version": "5.15.8", "versionType": "semver"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c", "drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.h"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "5.16"}, {"lessThan": "5.16", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "5.4.*", "status": "unaffected", "version": "5.4.300", "versionType": "semver"}, {"lessThanOrEqual": "5.10.*", "status": "unaffected", "version": "5.10.245", "versionType": "semver"}, {"lessThanOrEqual": "5.15.*", "status": "unaffected", "version": "5.15.194", "versionType": "semver"}, {"lessThanOrEqual": "6.1.*", "status": "unaffected", "version": "6.1.155", "versionType": "semver"}, {"lessThanOrEqual": "6.6.*", "status": "unaffected", "version": "6.6.109", "versionType": "semver"}, {"lessThanOrEqual": "6.12.*", "status": "unaffected", "version": "6.12.50", "versionType": "semver"}, {"lessThanOrEqual": "6.16.*", "status": "unaffected", "version": "6.16.10", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "6.17", "versionType": "original_commit_for_fix"}]}], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ni40e: fix validation of VF state in get resources\n\nVF state I40E_VF_STATE_ACTIVE is not the only state in which\nVF is actually active so it should not be used to determine\nif a VF is allowed to obtain resources.\n\nUse I40E_VF_STATE_RESOURCES_LOADED that is set only in\ni40e_vc_get_vf_resources_msg() and cleared during reset."}, {"lang": "es", "value": "En el kernel de Linux, la siguiente vulnerabilidad ha sido resuelta:\n\ni40e: corregir la validaci\u00f3n del estado de VF al obtener recursos\n\nEl estado de VF I40E_VF_STATE_ACTIVE no es el \u00fanico estado en el que el VF est\u00e1 realmente activo, por lo que no deber\u00eda usarse para determinar si un VF tiene permitido obtener recursos.\n\nUsar I40E_VF_STATE_RESOURCES_LOADED que se establece solo en i40e_vc_get_vf_resources_msg() y se borra durante el reinicio."}], "id": "CVE-2025-39969", "lastModified": "2026-10-19T21:10:00.160", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 8.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 2.0, "impactScore": 6.0, "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2025-39969", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2026-10-15T21:55:24.332500Z", "version": "2.0.3"}}]}, "published": "2025-10-15T08:15:34.483", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/185745d56ec958bf8aa773828213237dfcc32f5a"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/6128bbc7adc25c87c2f64b5eb66a280b78ef7ab7"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/6c3981fd59ef11a75005ac9978f034da5a168b6a"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/877b7e6ffc23766448236e8732254534c518ba42"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/8e35c80f8570426fe0f0cc92b151ebd835975f22"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/a991dc56d3e9a2c3db87d0c3f03c24f6595400f1"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/e748f1ee493f88e38b77363a60499f979d42c58a"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/f47876788a23de296c42ef9d505b5c1630f0b4b8"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Deferred"}

{"bugzilla": {"description": "kernel: i40e: fix validation of VF state in get resources", "id": "2404097", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2404097"}, "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": ["In the Linux kernel, the following vulnerability has been resolved:\ni40e: fix validation of VF state in get resources\nVF state I40E_VF_STATE_ACTIVE is not the only state in which\nVF is actually active so it should not be used to determine\nif a VF is allowed to obtain resources.\nUse I40E_VF_STATE_RESOURCES_LOADED that is set only in\ni40e_vc_get_vf_resources_msg() and cleared during reset."], "name": "CVE-2025-39969", "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": "Affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "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": "2025-10-15T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2025-39969\nhttps://nvd.nist.gov/vuln/detail/CVE-2025-39969\nhttps://lore.kernel.org/linux-cve-announce/2025101555-CVE-2025-39969-fbee@gregkh/T"], "threat_severity": "Moderate"}

{"created": "2025-10-20T13:27:04.476183+00:00", "updated": "2025-10-20T13:27:04.476209+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}