{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-68128", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-07-30T09:28:09.370Z", "datePublished": "2026-08-10T11:58:50.013Z", "dateUpdated": "2026-08-17T04:59:19.746Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-08-17T04:59:19.746Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nice: reject out-of-range ptype in ice_parser_profile_init\n\nset_bit(rslt->ptype, prof->ptypes) operates on a DECLARE_BITMAP of\nICE_FLOW_PTYPE_MAX (1024) bits. Nothing prevents a malicious VF from\nproviding ptype >= 1024 through VIRTCHNL, resulting in a write past\nthe end of the bitmap and a kernel page fault.\n\nReproduced with a custom kernel module injecting a crafted\nVIRTCHNL_OP_ADD_RSS_CFG on E810-C QSFP (8086:1592),\nFW 4.91 0x800214af 1.3909.0, ICE COMMS DDP 1.3.53.0,\nkernel 7.1.0-rc1.\n\ncrash_parser: ice_parser_profile_init @ ffffffffc0d61b60\ncrash_parser: setting ptype=0xffff (max valid=1023)\ncrash_parser: calling ice_parser_profile_init -- expect OOB crash!\nBUG: kernel NULL pointer dereference, address: 0000000000000000\nOops: Oops: 0002 [#1] SMP NOPTI\nCPU: 56 UID: 0 PID: 165011 Comm: insmod Kdump: loaded Tainted: G S U OE 7.1.0-rc1 #1\nHardware name: Intel Corporation S2600BPB/S2600BPB\nRIP: 0010:ice_parser_profile_init+0x2d/0x1d0 [ice]\nCall Trace:\n <TASK>\n ? __pfx_ice_parser_profile_init+0x10/0x10 [ice]\n crash_init+0x127/0xff0 [crash_parser]\n do_one_initcall+0x45/0x310\n do_init_module+0x64/0x270\n init_module_from_file+0xcc/0xf0\n idempotent_init_module+0x17b/0x280\n __x64_sys_finit_module+0x6e/0xe0\n\nBail out early with -EINVAL when ptype is out of range."}], "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 - Exploitation requires a malicious SR-IOV VF (or guest with VF passthrough) to send VIRTCHNL_OP_ADD_RSS_CFG/ADD_FDIR_FILTER mailbox messages to the host PF driver; this is local device/mailbox access, not remote network packet processing.\nAC:L - A VF can craft a raw RSS/FDIR packet pattern that leaves ice_ptype_resolve() returning U16_MAX (0xFFFF); set_bit() then deterministically indexes far past the 1024-bit prof->ptypes bitmap with no attacker-uncontrollable race or layout dependency.\nPR:L - Attack requires control of an assigned E810 VF, typically as a cloud tenant VM with netdev admin capability or a VFIO-delegated process; this is low privilege relative to the host (not init-namespace root), mirroring similar SR-IOV VF bugs.\nUI:N - The attacker sends their own VIRTCHNL configuration message (or loads a guest kernel module to do so); no separate victim-user interaction is required beyond routine VF assignment already present in SR-IOV deployments.\nS:C - In virtualized/cloud deployments (the primary E810 use case), a malicious guest VF corrupts host kernel stack memory in the PF driver, crossing the guest-to-host isolation boundary analogous to KVM/SR-IOV escape class bugs.\nC:H - The out-of-bounds set_bit() stack write corrupts kernel memory far beyond the 128-byte ptypes bitmap; such uncontrolled memory corruption is leverageable for kernel information disclosure in an exploit chain.\nI:H - set_bit(0xFFFF, prof->ptypes) performs an arbitrary out-of-bounds stack write (~8 KB past the bitmap on x86_64), providing memory corruption primitives potentially usable for host kernel code execution.\nA:H - The bug was reproduced causing a NULL-pointer kernel oops/page fault in ice_parser_profile_init(); reliable triggering from a malicious VF can panic or lock up the host PF 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/ice/ice_parser.c"], "versions": [{"version": "e312b3a1e2092f612914dbc4fa5d96b4d8ff94ef", "lessThan": "fe2f8d5a77adea38e889fe3d6cde1b76d4a635bf", "status": "affected", "versionType": "git"}, {"version": "e312b3a1e2092f612914dbc4fa5d96b4d8ff94ef", "lessThan": "5e496f2b615cec4b45537cfb5b54f36a51dc8753", "status": "affected", "versionType": "git"}, {"version": "e312b3a1e2092f612914dbc4fa5d96b4d8ff94ef", "lessThan": "33cc15aaf2491166dddc018b24b3b7db53ec01b2", "status": "affected", "versionType": "git"}, {"version": "e312b3a1e2092f612914dbc4fa5d96b4d8ff94ef", "lessThan": "59abb87159c53605c063f6e2ceb215b5eba43ee6", "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/ice/ice_parser.c"], "versions": [{"version": "6.12", "status": "affected"}, {"version": "0", "lessThan": "6.12", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.101", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.42", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.1.6", "lessThanOrEqual": "7.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.2", "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": "6.12", "versionEndExcluding": "6.12.101"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.12", "versionEndExcluding": "6.18.42"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.12", "versionEndExcluding": "7.1.6"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.12", "versionEndExcluding": "7.2"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/fe2f8d5a77adea38e889fe3d6cde1b76d4a635bf"}, {"url": "https://git.kernel.org/stable/c/5e496f2b615cec4b45537cfb5b54f36a51dc8753"}, {"url": "https://git.kernel.org/stable/c/33cc15aaf2491166dddc018b24b3b7db53ec01b2"}, {"url": "https://git.kernel.org/stable/c/59abb87159c53605c063f6e2ceb215b5eba43ee6"}], "title": "ice: reject out-of-range ptype in ice_parser_profile_init", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["drivers/net/ethernet/intel/ice/ice_parser.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "fe2f8d5a77adea38e889fe3d6cde1b76d4a635bf", "status": "affected", "version": "e312b3a1e2092f612914dbc4fa5d96b4d8ff94ef", "versionType": "git"}, {"lessThan": "5e496f2b615cec4b45537cfb5b54f36a51dc8753", "status": "affected", "version": "e312b3a1e2092f612914dbc4fa5d96b4d8ff94ef", "versionType": "git"}, {"lessThan": "33cc15aaf2491166dddc018b24b3b7db53ec01b2", "status": "affected", "version": "e312b3a1e2092f612914dbc4fa5d96b4d8ff94ef", "versionType": "git"}, {"lessThan": "59abb87159c53605c063f6e2ceb215b5eba43ee6", "status": "affected", "version": "e312b3a1e2092f612914dbc4fa5d96b4d8ff94ef", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["drivers/net/ethernet/intel/ice/ice_parser.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "6.12"}, {"lessThan": "6.12", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "6.12.*", "status": "unaffected", "version": "6.12.101", "versionType": "semver"}, {"lessThanOrEqual": "6.18.*", "status": "unaffected", "version": "6.18.42", "versionType": "semver"}, {"lessThanOrEqual": "7.1.*", "status": "unaffected", "version": "7.1.6", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "7.2", "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\nice: reject out-of-range ptype in ice_parser_profile_init\n\nset_bit(rslt->ptype, prof->ptypes) operates on a DECLARE_BITMAP of\nICE_FLOW_PTYPE_MAX (1024) bits. Nothing prevents a malicious VF from\nproviding ptype >= 1024 through VIRTCHNL, resulting in a write past\nthe end of the bitmap and a kernel page fault.\n\nReproduced with a custom kernel module injecting a crafted\nVIRTCHNL_OP_ADD_RSS_CFG on E810-C QSFP (8086:1592),\nFW 4.91 0x800214af 1.3909.0, ICE COMMS DDP 1.3.53.0,\nkernel 7.1.0-rc1.\n\ncrash_parser: ice_parser_profile_init @ ffffffffc0d61b60\ncrash_parser: setting ptype=0xffff (max valid=1023)\ncrash_parser: calling ice_parser_profile_init -- expect OOB crash!\nBUG: kernel NULL pointer dereference, address: 0000000000000000\nOops: Oops: 0002 [#1] SMP NOPTI\nCPU: 56 UID: 0 PID: 165011 Comm: insmod Kdump: loaded Tainted: G S U OE 7.1.0-rc1 #1\nHardware name: Intel Corporation S2600BPB/S2600BPB\nRIP: 0010:ice_parser_profile_init+0x2d/0x1d0 [ice]\nCall Trace:\n <TASK>\n ? __pfx_ice_parser_profile_init+0x10/0x10 [ice]\n crash_init+0x127/0xff0 [crash_parser]\n do_one_initcall+0x45/0x310\n do_init_module+0x64/0x270\n init_module_from_file+0xcc/0xf0\n idempotent_init_module+0x17b/0x280\n __x64_sys_finit_module+0x6e/0xe0\n\nBail out early with -EINVAL when ptype is out of range."}], "id": "CVE-2026-68128", "lastModified": "2026-08-17T05:18:12.527", "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"}]}, "published": "2026-08-10T13:19:58.083", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/33cc15aaf2491166dddc018b24b3b7db53ec01b2"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/59abb87159c53605c063f6e2ceb215b5eba43ee6"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/5e496f2b615cec4b45537cfb5b54f36a51dc8753"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/fe2f8d5a77adea38e889fe3d6cde1b76d4a635bf"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{"bugzilla": {"description": "kernel: Linux kernel (ice): Denial of Service via out-of-range ptype in VIRTCHNL", "id": "2513271", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2513271"}, "csaw": false, "cvss3": {"cvss3_base_score": "4.7", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-787", "details": ["In the Linux kernel, the following vulnerability has been resolved:\nice: reject out-of-range ptype in ice_parser_profile_init\nset_bit(rslt->ptype, prof->ptypes) operates on a DECLARE_BITMAP of\nICE_FLOW_PTYPE_MAX (1024) bits. Nothing prevents a malicious VF from\nproviding ptype >= 1024 through VIRTCHNL, resulting in a write past\nthe end of the bitmap and a kernel page fault.\nReproduced with a custom kernel module injecting a crafted\nVIRTCHNL_OP_ADD_RSS_CFG on E810-C QSFP (8086:1592),\nFW 4.91 0x800214af 1.3909.0, ICE COMMS DDP 1.3.53.0,\nkernel 7.1.0-rc1.\ncrash_parser: ice_parser_profile_init @ ffffffffc0d61b60\ncrash_parser: setting ptype=0xffff (max valid=1023)\ncrash_parser: calling ice_parser_profile_init -- expect OOB crash!\nBUG: kernel NULL pointer dereference, address: 0000000000000000\nOops: Oops: 0002 [#1] SMP NOPTI\nCPU: 56 UID: 0 PID: 165011 Comm: insmod Kdump: loaded Tainted: G S U OE 7.1.0-rc1 #1\nHardware name: Intel Corporation S2600BPB/S2600BPB\nRIP: 0010:ice_parser_profile_init+0x2d/0x1d0 [ice]\nCall Trace:\n<TASK>\n? __pfx_ice_parser_profile_init+0x10/0x10 [ice]\ncrash_init+0x127/0xff0 [crash_parser]\ndo_one_initcall+0x45/0x310\ndo_init_module+0x64/0x270\ninit_module_from_file+0xcc/0xf0\nidempotent_init_module+0x17b/0x280\n__x64_sys_finit_module+0x6e/0xe0\nBail out early with -EINVAL when ptype is out of range.", "A flaw was found in the Linux kernel's ice driver. A malicious virtual function (VF) can provide an out-of-range 'ptype' value through the VIRTCHNL interface. This can lead to a write past the end of an allocated memory region, causing a kernel page fault and resulting in a Denial of Service (DoS)."], "name": "CVE-2026-68128", "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": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/a:redhat:enterprise_linux_nvidia:", "fix_state": "Affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux for NVIDIA 26"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Not affected", "package_name": "rhcos", "product_name": "Red Hat OpenShift Container Platform 4"}], "public_date": "2026-08-10T11:58:50Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-68128\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-68128\nhttps://git.kernel.org/stable/c/33cc15aaf2491166dddc018b24b3b7db53ec01b2\nhttps://git.kernel.org/stable/c/59abb87159c53605c063f6e2ceb215b5eba43ee6\nhttps://git.kernel.org/stable/c/5e496f2b615cec4b45537cfb5b54f36a51dc8753\nhttps://git.kernel.org/stable/c/fe2f8d5a77adea38e889fe3d6cde1b76d4a635bf"], "threat_severity": "Important"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[e312b3a1e2092f612914dbc4fa5d96b4d8ff94ef,fe2f8d5a77adea38e889fe3d6cde1b76d4a635bf)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[e312b3a1e2092f612914dbc4fa5d96b4d8ff94ef,5e496f2b615cec4b45537cfb5b54f36a51dc8753)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[e312b3a1e2092f612914dbc4fa5d96b4d8ff94ef,33cc15aaf2491166dddc018b24b3b7db53ec01b2)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[e312b3a1e2092f612914dbc4fa5d96b4d8ff94ef,59abb87159c53605c063f6e2ceb215b5eba43ee6)"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "6.12"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[0,6.12)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.12.101,6.13.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.18.42,6.19.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.1.6,7.2.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.2-rc5,*]"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}], "created": "2026-08-10T14:45:17.923780+00:00", "updated": "2026-08-14T00:00:04.158771+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}