{"id":"CVE-2026-68291","revision":null,"records":[{"revision":"46553c87c3fa4c4a816f9b7079e868a4","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-68291","aliases":[],"title":"idpf: fix max_vport related crash on allocation error during init","description":"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","state":0,"publishedAt":"2026-08-10T12:02:24.402+00:00","modifiedAt":"2026-10-21T12:43:45.336+00:00","affected":[{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n \"product\": \"Linux\",\n \"vendor\": \"Linux\",\n \"defaultStatus\": \"unaffected\",\n \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n \"programFiles\": [\n \"drivers/net/ethernet/intel/idpf/idpf_virtchnl.c\"\n ],\n \"versions\": [\n {\n \"version\": \"0fe45467a1041ea3657a7fa3a791c84c104fbd34\",\n \"lessThan\": \"993571d207f5f4775b92df89788570468ffb9cdd\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"0fe45467a1041ea3657a7fa3a791c84c104fbd34\",\n \"lessThan\": \"08fffd2881e2804d55bc74f178e2843e8832b396\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"0fe45467a1041ea3657a7fa3a791c84c104fbd34\",\n \"lessThan\": \"9fbe22b7aff0a65984d78ee6b93e2f8179abd1f5\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"0fe45467a1041ea3657a7fa3a791c84c104fbd34\",\n \"lessThan\": \"237f1f7653b8729169af11fae79f01b90d00b87e\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n }\n ]\n }"},{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n \"product\": \"Linux\",\n \"vendor\": \"Linux\",\n \"defaultStatus\": \"affected\",\n \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n \"programFiles\": [\n \"drivers/net/ethernet/intel/idpf/idpf_virtchnl.c\"\n ],\n \"versions\": [\n {\n \"version\": \"6.7\",\n \"status\": \"affected\"\n },\n {\n \"version\": \"0\",\n \"lessThan\": \"6.7\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.12.114\",\n \"lessThanOrEqual\": \"6.12.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.18.57\",\n \"lessThanOrEqual\": \"6.18.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"7.1.6\",\n \"lessThanOrEqual\": \"7.1.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"7.2\",\n \"lessThanOrEqual\": \"*\",\n \"status\": \"unaffected\",\n \"versionType\": \"original_commit_for_fix\"\n }\n ]\n }"}],"metrics":[],"references":["https://git.kernel.org/stable/c/993571d207f5f4775b92df89788570468ffb9cdd","https://git.kernel.org/stable/c/08fffd2881e2804d55bc74f178e2843e8832b396","https://git.kernel.org/stable/c/9fbe22b7aff0a65984d78ee6b93e2f8179abd1f5","https://git.kernel.org/stable/c/237f1f7653b8729169af11fae79f01b90d00b87e"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-68291","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-68291","identifiers":["CVE-2026-68291"]},"retained":false,"historicalAffected":[]}],"coverage":[{"source":"cisa-kev:global","scope":"Complete CISA KEV catalog; all vendors. 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