{"id":"CVE-2026-72312","revision":"3093d134e7564cc185ebad4e5dbfd510","records":[{"revision":"3093d134e7564cc185ebad4e5dbfd510","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-72312","aliases":[],"title":"octeontx2-af: fix VF bringup affecting PF promiscuous state","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nocteontx2-af: fix VF bringup affecting PF promiscuous state\n\nMbox handling of nix_set_rx_mode for a VF with promiscuous and\nall_multi flags set to false causes deletion of the PF's promiscuous\nand allmulti MCAM rules. This occurs because the APIs that\nenable/disable these rules operate only on the PF, even when the\nmbox request is made via a VF interface.\n\nGuard both rvu_npc_enable_allmulti_entry() and\nrvu_npc_enable_promisc_entry() disable paths with an is_vf() check so\nthat a VF bringing up or tearing down its interface cannot inadvertently\nclear the PF's MCAM rules.","state":0,"publishedAt":"2026-08-15T05:55:27.817+00:00","modifiedAt":"2026-10-16T18:55:16.851+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/marvell/octeontx2/af/rvu_nix.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"967db3529ecac305d230aa4e60abddf6ab63543a\",\n                            \"lessThan\": \"daa2451640a3e0727fd598f5c2ccb8bb4d5a8b9c\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"967db3529ecac305d230aa4e60abddf6ab63543a\",\n                            \"lessThan\": \"212c59e5e416859579272288fd325148fc316109\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"967db3529ecac305d230aa4e60abddf6ab63543a\",\n                            \"lessThan\": \"53e17d9ed779ad25870abb9c31bc294c71a2278c\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"967db3529ecac305d230aa4e60abddf6ab63543a\",\n                            \"lessThan\": \"3de77d2f34c2bc2acaedabc2c5e0a561b85c283a\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"967db3529ecac305d230aa4e60abddf6ab63543a\",\n                            \"lessThan\": \"3cf83432e0561aef6d7ec2664909d12d0ff0ffc1\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"967db3529ecac305d230aa4e60abddf6ab63543a\",\n                            \"lessThan\": \"fabb881df322da25442f98d23f5fa371e3c78ec4\",\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/marvell/octeontx2/af/rvu_nix.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"5.14\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \"0\",\n                            \"lessThan\": \"5.14\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.1.178\",\n                            \"lessThanOrEqual\": \"6.1.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.6.145\",\n                            \"lessThanOrEqual\": \"6.6.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.12.97\",\n                            \"lessThanOrEqual\": \"6.12.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.18.40\",\n                            \"lessThanOrEqual\": \"6.18.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.1.5\",\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":[{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:H","score":7.9,"severity":"HIGH"}],"references":["https://git.kernel.org/stable/c/daa2451640a3e0727fd598f5c2ccb8bb4d5a8b9c","https://git.kernel.org/stable/c/212c59e5e416859579272288fd325148fc316109","https://git.kernel.org/stable/c/53e17d9ed779ad25870abb9c31bc294c71a2278c","https://git.kernel.org/stable/c/3de77d2f34c2bc2acaedabc2c5e0a561b85c283a","https://git.kernel.org/stable/c/3cf83432e0561aef6d7ec2664909d12d0ff0ffc1","https://git.kernel.org/stable/c/fabb881df322da25442f98d23f5fa371e3c78ec4"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-72312","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-72312","identifiers":["CVE-2026-72312"]},"retained":false,"historicalAffected":[]}],"coverage":[]}