{"api_version":"1","generated_at":"2026-08-22T00:26:20+00:00","cve":"CVE-2026-72425","urls":{"html":"https://cve.report/CVE-2026-72425","api":"https://cve.report/api/cve/CVE-2026-72425.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-72425","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-72425"},"summary":{"title":"ice: fix FDIR CTRL VSI resource leak in ice_reset_all_vfs()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nice: fix FDIR CTRL VSI resource leak in ice_reset_all_vfs()\n\nResetting all VFs causes resource leak on VFs with FDIR filters\nenabled as CTRL VSIs are only invalidated and not freed. Fix by using\nice_vf_ctrl_vsi_release() instead of ice_vf_ctrl_invalidate_vsi() which\naligns behavior with the ice_reset_vf() function.\n\nReproduction:\n  echo 1 > /sys/class/net/$pf/device/sriov_numvfs\n  ethtool -N $vf flow-type ether proto 0x9000 action 0\n  echo 1 > /sys/class/net/$pf/device/reset","state":"PUBLISHED","assigner":"Linux","published_at":"2026-08-15 06:22:16","updated_at":"2026-08-17 06:19:09"},"problem_types":[],"metrics":[{"version":"3.1","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","type":"Secondary","score":"7.1","severity":"HIGH","vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H","data":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H","baseScore":7.1,"baseSeverity":"HIGH","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"CHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH"}},{"version":"3.1","source":"CNA","type":"DECLARED","score":"7.1","severity":"HIGH","vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H","data":{"baseScore":7.1,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H","version":"3.1"}}],"references":[{"url":"https://git.kernel.org/stable/c/b1fc5bafbc5f84df457b6f987ac993e0802f8d93","name":"https://git.kernel.org/stable/c/b1fc5bafbc5f84df457b6f987ac993e0802f8d93","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/dd6d8e4412f805937f61f00bbfdfe831978be235","name":"https://git.kernel.org/stable/c/dd6d8e4412f805937f61f00bbfdfe831978be235","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/87a042e45bf4870dc75ea05b4fc0286abecb2a4d","name":"https://git.kernel.org/stable/c/87a042e45bf4870dc75ea05b4fc0286abecb2a4d","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/ebbe8868cf473f698e0fbaf436d2618b2bcda806","name":"https://git.kernel.org/stable/c/ebbe8868cf473f698e0fbaf436d2618b2bcda806","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/b409a9dc37db8bd798122fc5bcdcfaccaf80db1e","name":"https://git.kernel.org/stable/c/b409a9dc37db8bd798122fc5bcdcfaccaf80db1e","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/335c2dd21ad9d520102906f96edb99fd5e89ac32","name":"https://git.kernel.org/stable/c/335c2dd21ad9d520102906f96edb99fd5e89ac32","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-72425","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-72425","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected da62c5ff9dcdac67204d6647f3cd43ad931a59f4 b409a9dc37db8bd798122fc5bcdcfaccaf80db1e git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected da62c5ff9dcdac67204d6647f3cd43ad931a59f4 335c2dd21ad9d520102906f96edb99fd5e89ac32 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected da62c5ff9dcdac67204d6647f3cd43ad931a59f4 87a042e45bf4870dc75ea05b4fc0286abecb2a4d git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected da62c5ff9dcdac67204d6647f3cd43ad931a59f4 dd6d8e4412f805937f61f00bbfdfe831978be235 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected da62c5ff9dcdac67204d6647f3cd43ad931a59f4 b1fc5bafbc5f84df457b6f987ac993e0802f8d93 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected da62c5ff9dcdac67204d6647f3cd43ad931a59f4 ebbe8868cf473f698e0fbaf436d2618b2bcda806 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 5.13","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 5.13 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.1.178 6.1.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.6.145 6.6.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.12.97 6.12.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.18.40 6.18.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.1.5 7.1.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.2 * original_commit_for_fix","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":{"cve_year":"2026","cve_id":"72425","cve":"CVE-2026-72425","epss":"0.001860000","percentile":"0.084750000","score_date":"2026-08-17","updated_at":"2026-08-18 00:11:47"},"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["drivers/net/ethernet/intel/ice/ice_vf_lib.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"b409a9dc37db8bd798122fc5bcdcfaccaf80db1e","status":"affected","version":"da62c5ff9dcdac67204d6647f3cd43ad931a59f4","versionType":"git"},{"lessThan":"335c2dd21ad9d520102906f96edb99fd5e89ac32","status":"affected","version":"da62c5ff9dcdac67204d6647f3cd43ad931a59f4","versionType":"git"},{"lessThan":"87a042e45bf4870dc75ea05b4fc0286abecb2a4d","status":"affected","version":"da62c5ff9dcdac67204d6647f3cd43ad931a59f4","versionType":"git"},{"lessThan":"dd6d8e4412f805937f61f00bbfdfe831978be235","status":"affected","version":"da62c5ff9dcdac67204d6647f3cd43ad931a59f4","versionType":"git"},{"lessThan":"b1fc5bafbc5f84df457b6f987ac993e0802f8d93","status":"affected","version":"da62c5ff9dcdac67204d6647f3cd43ad931a59f4","versionType":"git"},{"lessThan":"ebbe8868cf473f698e0fbaf436d2618b2bcda806","status":"affected","version":"da62c5ff9dcdac67204d6647f3cd43ad931a59f4","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/net/ethernet/intel/ice/ice_vf_lib.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"5.13"},{"lessThan":"5.13","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.178","versionType":"semver"},{"lessThanOrEqual":"6.6.*","status":"unaffected","version":"6.6.145","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.97","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.40","versionType":"semver"},{"lessThanOrEqual":"7.1.*","status":"unaffected","version":"7.1.5","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.2","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.1.178","versionStartIncluding":"5.13","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.6.145","versionStartIncluding":"5.13","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.12.97","versionStartIncluding":"5.13","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.40","versionStartIncluding":"5.13","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.1.5","versionStartIncluding":"5.13","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.2","versionStartIncluding":"5.13","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nice: fix FDIR CTRL VSI resource leak in ice_reset_all_vfs()\n\nResetting all VFs causes resource leak on VFs with FDIR filters\nenabled as CTRL VSIs are only invalidated and not freed. Fix by using\nice_vf_ctrl_vsi_release() instead of ice_vf_ctrl_invalidate_vsi() which\naligns behavior with the ice_reset_vf() function.\n\nReproduction:\n  echo 1 > /sys/class/net/$pf/device/sriov_numvfs\n  ethtool -N $vf flow-type ether proto 0x9000 action 0\n  echo 1 > /sys/class/net/$pf/device/reset"}],"metrics":[{"cvssV3_1":{"baseScore":7.1,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H","version":"3.1"},"scenarios":[{"lang":"en","value":"AV:L - The bug is reached via local host interfaces only: VF virtchnl mailbox messages (VIRTCHNL_OP_ADD_FDIR_FILTER) to create per-VF FDIR ctrl VSIs, and PF-wide reset paths (PCI sysfs reset, ethtool-driven PFR/CORER/GLOBR) that call ice_reset_all_vfs(); no network packet receive path is involved.\nAC:L - Once a VF has created an FDIR rule (which allocates the per-VF ctrl VSI), each PF-wide reset deterministically leaks that ctrl VSI because ice_reset_all_vfs() only invalidated ctrl_vsi_idx instead of calling ice_vf_ctrl_vsi_release(); the commit reproduces this reliably and the attacker controls the FDIR setup side of the race.\nPR:N - No host root or CAP_SYS_ADMIN is required on the vulnerable host: a tenant with an assigned SR-IOV VF can negotiate VIRTCHNL_VF_OFFLOAD_FDIR_PF and send VIRTCHNL_OP_ADD_FDIR_FILTER over the VF mailbox to create the ctrl VSI; PF-wide resets occur during normal firmware/PCI/driver recovery without further host credentials.\nUI:N - Exploitation does not require any victim user action such as opening files or clicking links; a malicious VM tenant programs FDIR filters via the standard iAVF virtchnl interface and the leak triggers automatically on subsequent PF-wide reset events.\nS:C - The vulnerable ice driver runs in the host kernel but is triggered from an SR-IOV VF guest security domain; leaked ctrl VSIs consume finite pf->vsi slots and hardware VSI resources on the host, degrading or denying NIC functionality for the hypervisor and other VMs on the same PF.\nC:N - This is a kernel resource leak (orphaned ICE_VSI_CTRL structures and associated queue/MSI-X/FDIR hardware resources) without out-of-bounds read, use-after-free, or other memory disclosure primitive; no confidential data is exposed.\nI:N - The flaw only fails to call ice_vsi_release()/ice_vsi_delete_from_hw() for per-VF ctrl VSIs during ice_reset_all_vfs(); it does not corrupt memory, modify data, or provide write or code-execution primitives.\nA:H - Each leaked ctrl VSI permanently consumes a limited VSI slot (pf->num_alloc_vsi) and hardware resources; repeated PF-wide resets with FDIR-enabled VFs can exhaust the VSI pool causing ice_vsi_alloc() failure and denial of network service for the host and all co-resident VFs on the NIC."}]}],"providerMetadata":{"dateUpdated":"2026-08-17T05:44:05.008Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/b409a9dc37db8bd798122fc5bcdcfaccaf80db1e"},{"url":"https://git.kernel.org/stable/c/335c2dd21ad9d520102906f96edb99fd5e89ac32"},{"url":"https://git.kernel.org/stable/c/87a042e45bf4870dc75ea05b4fc0286abecb2a4d"},{"url":"https://git.kernel.org/stable/c/dd6d8e4412f805937f61f00bbfdfe831978be235"},{"url":"https://git.kernel.org/stable/c/b1fc5bafbc5f84df457b6f987ac993e0802f8d93"},{"url":"https://git.kernel.org/stable/c/ebbe8868cf473f698e0fbaf436d2618b2bcda806"}],"title":"ice: fix FDIR CTRL VSI resource leak in ice_reset_all_vfs()","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-72425","datePublished":"2026-08-15T05:56:42.959Z","dateReserved":"2026-08-09T03:40:39.928Z","dateUpdated":"2026-08-17T05:44:05.008Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-08-15 06:22:16","lastModifiedDate":"2026-08-17 06:19:09","problem_types":[],"metrics":{"cvssMetricV31":[{"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H","baseScore":7.1,"baseSeverity":"HIGH","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"CHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH"},"exploitabilityScore":2.5,"impactScore":4}]},"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"72425","Ordinal":"1","Title":"ice: fix FDIR CTRL VSI resource leak in ice_reset_all_vfs()","CVE":"CVE-2026-72425","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"72425","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nice: fix FDIR CTRL VSI resource leak in ice_reset_all_vfs()\n\nResetting all VFs causes resource leak on VFs with FDIR filters\nenabled as CTRL VSIs are only invalidated and not freed. Fix by using\nice_vf_ctrl_vsi_release() instead of ice_vf_ctrl_invalidate_vsi() which\naligns behavior with the ice_reset_vf() function.\n\nReproduction:\n  echo 1 > /sys/class/net/$pf/device/sriov_numvfs\n  ethtool -N $vf flow-type ether proto 0x9000 action 0\n  echo 1 > /sys/class/net/$pf/device/reset","Type":"Description","Title":"ice: fix FDIR CTRL VSI resource leak in ice_reset_all_vfs()"}]}}}