{ "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": "2026-10-15T10:08:14.788Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-10-15T10:08:14.788Z" }, "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] \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": "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": "6.18.57", "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": "6.18.57" }, { "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/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" } } } }