CVE-2026-68291

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-68291", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-07-30T09:28:09.380Z", "datePublished": "2026-08-10T12:02:24.402Z", "dateUpdated": "2026-10-21T12:43:45.336Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-10-21T12:43:45.336Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nidpf: fix max_vport related crash on allocation error during init\n\nSet adapter->max_vports only after successful allocation of vports, netdevs\nand vport_config buffers. This fixes possible crashes on reset or rmmod,\nfollowing failed allocation on init\n\n[ 305.981402] idpf 0000:83:00.0: enabling device (0100 -> 0102)\n[ 305.994464] idpf 0000:83:00.0: Device HW Reset initiated\n[ 320.416872] BUG: kernel NULL pointer dereference, address: 0000000000000000\n[ 320.416918] #PF: supervisor read access in kernel mode\n[ 320.416942] #PF: error_code(0x0000) - not-present page\n[ 320.416963] PGD 2099657067 P4D 0\n[ 320.416983] Oops: Oops: 0000 [#1] SMP NOPTI\n...\n[ 320.417093] RIP: 0010:idpf_remove+0x118/0x200 [idpf]\n[ 320.417130] Code: 8b bb 98 09 00 00 e8 17 0f 5b e5 48 8b bb e8 08 00 00 e8 0b 0f 5b e5 66 83 bb 28 06 00 00 00 48 8b bb 20 06 00 00 74 49 31 ed <48> 8b 04 ef 48 85 c0 74 2f 48 8b 78 20 e8 66 58 91 e5 48 8b 83 20\n[ 320.417183] RSP: 0018:ff7322212903fdb8 EFLAGS: 00010246\n[ 320.417205] RAX: 0000000000000000 RBX: ff4463de40300000 RCX: ff7322212903fd4c\n[ 320.417228] RDX: 0000000000000001 RSI: ffffffffa7f7d100 RDI: 0000000000000000\n[ 320.417250] RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000\n[ 320.417272] R10: 0000000000000001 R11: ff4463de3a638f58 R12: ff4463be89ac7000\n[ 320.417294] R13: ff4463be89ac7198 R14: ff4463be94fc7198 R15: ffffffffc0f10f20\n[ 320.417317] FS: 00007f963c0e6740(0000) GS:ff4463fdd65d8000(0000) knlGS:0000000000000000\n[ 320.417342] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033\n[ 320.417362] CR2: 0000000000000000 CR3: 00000020ba674002 CR4: 0000000000773ef0\n[ 320.417385] PKRU: 55555554\n[ 320.417398] Call Trace:\n[ 320.417412] <TASK>\n[ 320.417429] pci_device_remove+0x42/0xb0\n[ 320.417459] device_release_driver_internal+0x1a9/0x210\n[ 320.417492] driver_detach+0x4b/0x90\n[ 320.417516] bus_remove_driver+0x70/0x100\n[ 320.417539] pci_unregister_driver+0x2e/0xb0\n[ 320.417564] __do_sys_delete_module.constprop.0+0x190/0x2f0\n[ 320.417592] ? kmem_cache_free+0x31e/0x550\n[ 320.417619] ? lockdep_hardirqs_on_prepare+0xde/0x190\n[ 320.417644] ? do_syscall_64+0x38/0x6b0\n[ 320.417665] do_syscall_64+0xc8/0x6b0\n[ 320.417683] ? clear_bhb_loop+0x30/0x80\n[ 320.417706] entry_SYSCALL_64_after_hwframe+0x76/0x7e\n[ 320.417727] RIP: 0033:0x7f963bb30beb"}], "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/idpf/idpf_virtchnl.c"], "versions": [{"version": "0fe45467a1041ea3657a7fa3a791c84c104fbd34", "lessThan": "993571d207f5f4775b92df89788570468ffb9cdd", "status": "affected", "versionType": "git"}, {"version": "0fe45467a1041ea3657a7fa3a791c84c104fbd34", "lessThan": "08fffd2881e2804d55bc74f178e2843e8832b396", "status": "affected", "versionType": "git"}, {"version": "0fe45467a1041ea3657a7fa3a791c84c104fbd34", "lessThan": "9fbe22b7aff0a65984d78ee6b93e2f8179abd1f5", "status": "affected", "versionType": "git"}, {"version": "0fe45467a1041ea3657a7fa3a791c84c104fbd34", "lessThan": "237f1f7653b8729169af11fae79f01b90d00b87e", "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/idpf/idpf_virtchnl.c"], "versions": [{"version": "6.7", "status": "affected"}, {"version": "0", "lessThan": "6.7", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.114", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.57", "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": "6.7", "versionEndExcluding": "6.12.114"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.7", "versionEndExcluding": "6.18.57"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.7", "versionEndExcluding": "7.1.6"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.7", "versionEndExcluding": "7.2"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/993571d207f5f4775b92df89788570468ffb9cdd"}, {"url": "https://git.kernel.org/stable/c/08fffd2881e2804d55bc74f178e2843e8832b396"}, {"url": "https://git.kernel.org/stable/c/9fbe22b7aff0a65984d78ee6b93e2f8179abd1f5"}, {"url": "https://git.kernel.org/stable/c/237f1f7653b8729169af11fae79f01b90d00b87e"}], "title": "idpf: fix max_vport related crash on allocation error during init", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["drivers/net/ethernet/intel/idpf/idpf_virtchnl.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "993571d207f5f4775b92df89788570468ffb9cdd", "status": "affected", "version": "0fe45467a1041ea3657a7fa3a791c84c104fbd34", "versionType": "git"}, {"lessThan": "08fffd2881e2804d55bc74f178e2843e8832b396", "status": "affected", "version": "0fe45467a1041ea3657a7fa3a791c84c104fbd34", "versionType": "git"}, {"lessThan": "9fbe22b7aff0a65984d78ee6b93e2f8179abd1f5", "status": "affected", "version": "0fe45467a1041ea3657a7fa3a791c84c104fbd34", "versionType": "git"}, {"lessThan": "237f1f7653b8729169af11fae79f01b90d00b87e", "status": "affected", "version": "0fe45467a1041ea3657a7fa3a791c84c104fbd34", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["drivers/net/ethernet/intel/idpf/idpf_virtchnl.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "6.7"}, {"lessThan": "6.7", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "6.12.*", "status": "unaffected", "version": "6.12.114", "versionType": "semver"}, {"lessThanOrEqual": "6.18.*", "status": "unaffected", "version": "6.18.57", "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\nidpf: fix max_vport related crash on allocation error during init\n\nSet adapter->max_vports only after successful allocation of vports, netdevs\nand vport_config buffers. This fixes possible crashes on reset or rmmod,\nfollowing failed allocation on init\n\n[ 305.981402] idpf 0000:83:00.0: enabling device (0100 -> 0102)\n[ 305.994464] idpf 0000:83:00.0: Device HW Reset initiated\n[ 320.416872] BUG: kernel NULL pointer dereference, address: 0000000000000000\n[ 320.416918] #PF: supervisor read access in kernel mode\n[ 320.416942] #PF: error_code(0x0000) - not-present page\n[ 320.416963] PGD 2099657067 P4D 0\n[ 320.416983] Oops: Oops: 0000 [#1] SMP NOPTI\n...\n[ 320.417093] RIP: 0010:idpf_remove+0x118/0x200 [idpf]\n[ 320.417130] Code: 8b bb 98 09 00 00 e8 17 0f 5b e5 48 8b bb e8 08 00 00 e8 0b 0f 5b e5 66 83 bb 28 06 00 00 00 48 8b bb 20 06 00 00 74 49 31 ed <48> 8b 04 ef 48 85 c0 74 2f 48 8b 78 20 e8 66 58 91 e5 48 8b 83 20\n[ 320.417183] RSP: 0018:ff7322212903fdb8 EFLAGS: 00010246\n[ 320.417205] RAX: 0000000000000000 RBX: ff4463de40300000 RCX: ff7322212903fd4c\n[ 320.417228] RDX: 0000000000000001 RSI: ffffffffa7f7d100 RDI: 0000000000000000\n[ 320.417250] RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000\n[ 320.417272] R10: 0000000000000001 R11: ff4463de3a638f58 R12: ff4463be89ac7000\n[ 320.417294] R13: ff4463be89ac7198 R14: ff4463be94fc7198 R15: ffffffffc0f10f20\n[ 320.417317] FS: 00007f963c0e6740(0000) GS:ff4463fdd65d8000(0000) knlGS:0000000000000000\n[ 320.417342] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033\n[ 320.417362] CR2: 0000000000000000 CR3: 00000020ba674002 CR4: 0000000000773ef0\n[ 320.417385] PKRU: 55555554\n[ 320.417398] Call Trace:\n[ 320.417412] <TASK>\n[ 320.417429] pci_device_remove+0x42/0xb0\n[ 320.417459] device_release_driver_internal+0x1a9/0x210\n[ 320.417492] driver_detach+0x4b/0x90\n[ 320.417516] bus_remove_driver+0x70/0x100\n[ 320.417539] pci_unregister_driver+0x2e/0xb0\n[ 320.417564] __do_sys_delete_module.constprop.0+0x190/0x2f0\n[ 320.417592] ? kmem_cache_free+0x31e/0x550\n[ 320.417619] ? lockdep_hardirqs_on_prepare+0xde/0x190\n[ 320.417644] ? do_syscall_64+0x38/0x6b0\n[ 320.417665] do_syscall_64+0xc8/0x6b0\n[ 320.417683] ? clear_bhb_loop+0x30/0x80\n[ 320.417706] entry_SYSCALL_64_after_hwframe+0x76/0x7e\n[ 320.417727] RIP: 0033:0x7f963bb30beb"}], "id": "CVE-2026-68291", "lastModified": "2026-10-21T13:19:27.147", "metrics": {}, "published": "2026-08-10T13:20:18.457", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/08fffd2881e2804d55bc74f178e2843e8832b396"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/237f1f7653b8729169af11fae79f01b90d00b87e"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/993571d207f5f4775b92df89788570468ffb9cdd"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/9fbe22b7aff0a65984d78ee6b93e2f8179abd1f5"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{"bugzilla": {"description": "kernel: Linux kernel: idpf driver null pointer dereference leads to Denial of Service", "id": "2513219", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2513219"}, "csaw": false, "cvss3": {"cvss3_base_score": "4.1", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-476", "details": ["In the Linux kernel, the following vulnerability has been resolved:\nidpf: fix max_vport related crash on allocation error during init\nSet adapter->max_vports only after successful allocation of vports, netdevs\nand vport_config buffers. This fixes possible crashes on reset or rmmod,\nfollowing failed allocation on init\n[ 305.981402] idpf 0000:83:00.0: enabling device (0100 -> 0102)\n[ 305.994464] idpf 0000:83:00.0: Device HW Reset initiated\n[ 320.416872] BUG: kernel NULL pointer dereference, address: 0000000000000000\n[ 320.416918] #PF: supervisor read access in kernel mode\n[ 320.416942] #PF: error_code(0x0000) - not-present page\n[ 320.416963] PGD 2099657067 P4D 0\n[ 320.416983] Oops: Oops: 0000 [#1] SMP NOPTI\n...\n[ 320.417093] RIP: 0010:idpf_remove+0x118/0x200 [idpf]\n[ 320.417130] Code: 8b bb 98 09 00 00 e8 17 0f 5b e5 48 8b bb e8 08 00 00 e8 0b 0f 5b e5 66 83 bb 28 06 00 00 00 48 8b bb 20 06 00 00 74 49 31 ed <48> 8b 04 ef 48 85 c0 74 2f 48 8b 78 20 e8 66 58 91 e5 48 8b 83 20\n[ 320.417183] RSP: 0018:ff7322212903fdb8 EFLAGS: 00010246\n[ 320.417205] RAX: 0000000000000000 RBX: ff4463de40300000 RCX: ff7322212903fd4c\n[ 320.417228] RDX: 0000000000000001 RSI: ffffffffa7f7d100 RDI: 0000000000000000\n[ 320.417250] RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000\n[ 320.417272] R10: 0000000000000001 R11: ff4463de3a638f58 R12: ff4463be89ac7000\n[ 320.417294] R13: ff4463be89ac7198 R14: ff4463be94fc7198 R15: ffffffffc0f10f20\n[ 320.417317] FS: 00007f963c0e6740(0000) GS:ff4463fdd65d8000(0000) knlGS:0000000000000000\n[ 320.417342] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033\n[ 320.417362] CR2: 0000000000000000 CR3: 00000020ba674002 CR4: 0000000000773ef0\n[ 320.417385] PKRU: 55555554\n[ 320.417398] Call Trace:\n[ 320.417412] <TASK>\n[ 320.417429] pci_device_remove+0x42/0xb0\n[ 320.417459] device_release_driver_internal+0x1a9/0x210\n[ 320.417492] driver_detach+0x4b/0x90\n[ 320.417516] bus_remove_driver+0x70/0x100\n[ 320.417539] pci_unregister_driver+0x2e/0xb0\n[ 320.417564] __do_sys_delete_module.constprop.0+0x190/0x2f0\n[ 320.417592] ? kmem_cache_free+0x31e/0x550\n[ 320.417619] ? lockdep_hardirqs_on_prepare+0xde/0x190\n[ 320.417644] ? do_syscall_64+0x38/0x6b0\n[ 320.417665] do_syscall_64+0xc8/0x6b0\n[ 320.417683] ? clear_bhb_loop+0x30/0x80\n[ 320.417706] entry_SYSCALL_64_after_hwframe+0x76/0x7e\n[ 320.417727] RIP: 0033:0x7f963bb30beb", "A flaw was found in the Linux kernel's idpf driver. During initialization, if memory allocation for virtual port (vport) related buffers fails, the driver may attempt to access a null pointer when the module is removed or the system is reset. This can lead to a kernel null pointer dereference, causing a system crash and resulting in a Denial of Service (DoS)."], "name": "CVE-2026-68291", "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": "2026-08-10T12:02:24Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-68291\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-68291\nhttps://git.kernel.org/stable/c/237f1f7653b8729169af11fae79f01b90d00b87e\nhttps://git.kernel.org/stable/c/9fbe22b7aff0a65984d78ee6b93e2f8179abd1f5"], "threat_severity": "Important"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[0fe45467a1041ea3657a7fa3a791c84c104fbd34,9fbe22b7aff0a65984d78ee6b93e2f8179abd1f5)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[0fe45467a1041ea3657a7fa3a791c84c104fbd34,237f1f7653b8729169af11fae79f01b90d00b87e)"}}], "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": "generic", "value": "6.7"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[0,6.7)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[7.1.6,7.1.*]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "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": "2026-08-10T17:15:03.145856+00:00", "updated": "2026-08-13T06:30:05.413029+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}