{"id":"CVE-2026-74720","revision":"26a1a430d1f24a1793260cc18eb531ad","records":[{"revision":"26a1a430d1f24a1793260cc18eb531ad","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-74720","aliases":[],"title":"bpf: Preserve pointer state for commuted arithmetic","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nbpf: Preserve pointer state for commuted arithmetic\n\nWhen scalar += pointer is handled in adjust_ptr_min_max_vals(), the\ndestination register inherits the pointer state from the source pointer.\nCopying only selected fields is fragile because pointer provenance is\ntracked by several bpf_reg_state fields.\n\nUse the caller's temporary offset register to preserve the scalar operand\nwhile replacing the destination with the full pointer state. This preserves\nthe frame number for PTR_TO_STACK registers and keeps parent identity\nfields consistent.","state":0,"publishedAt":"2026-08-22T15:33:13.342+00:00","modifiedAt":"2026-10-16T19:16:11.811+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                        \"kernel/bpf/verifier.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"f4d7e40a5b7157e1329c3c5b10f60d8289fc2941\",\n                            \"lessThan\": \"86b203aadc2930e0a4f9c6277b5b80ff3664c472\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"f4d7e40a5b7157e1329c3c5b10f60d8289fc2941\",\n                            \"lessThan\": \"8109c25e0c41f5f19a1c2380bb49c991a877494e\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"f4d7e40a5b7157e1329c3c5b10f60d8289fc2941\",\n                            \"lessThan\": \"d1959028190a7649b926f5867a58de5fe221b23c\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"f4d7e40a5b7157e1329c3c5b10f60d8289fc2941\",\n                            \"lessThan\": \"8cb23101a3fcc7432b451ea3d0f14a90711f4acf\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"f4d7e40a5b7157e1329c3c5b10f60d8289fc2941\",\n                            \"lessThan\": \"29c239f8dbec5ab33a61796724d189bddee6cd4b\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"f4d7e40a5b7157e1329c3c5b10f60d8289fc2941\",\n                            \"lessThan\": \"db6382ed3361bdd8129572a3423956cba1dae829\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"f4d7e40a5b7157e1329c3c5b10f60d8289fc2941\",\n                            \"lessThan\": \"eaffa1495e4fe6330aeff9f323ea3d48b01f118a\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"f4d7e40a5b7157e1329c3c5b10f60d8289fc2941\",\n                            \"lessThan\": \"a4c6f804b44c5c790269b25e0e61cf4e9f117c86\",\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                        \"kernel/bpf/verifier.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"4.16\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \"0\",\n                            \"lessThan\": \"4.16\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"5.10.265\",\n                            \"lessThanOrEqual\": \"5.10.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"5.15.216\",\n                            \"lessThanOrEqual\": \"5.15.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.1.183\",\n                            \"lessThanOrEqual\": \"6.1.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.6.152\",\n                            \"lessThanOrEqual\": \"6.6.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.12.104\",\n                            \"lessThanOrEqual\": \"6.12.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.18.45\",\n                            \"lessThanOrEqual\": \"6.18.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.1.9\",\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:U/C:H/I:H/A:H","score":7.8,"severity":"HIGH"}],"references":["https://git.kernel.org/stable/c/86b203aadc2930e0a4f9c6277b5b80ff3664c472","https://git.kernel.org/stable/c/8109c25e0c41f5f19a1c2380bb49c991a877494e","https://git.kernel.org/stable/c/d1959028190a7649b926f5867a58de5fe221b23c","https://git.kernel.org/stable/c/8cb23101a3fcc7432b451ea3d0f14a90711f4acf","https://git.kernel.org/stable/c/29c239f8dbec5ab33a61796724d189bddee6cd4b","https://git.kernel.org/stable/c/db6382ed3361bdd8129572a3423956cba1dae829","https://git.kernel.org/stable/c/eaffa1495e4fe6330aeff9f323ea3d48b01f118a","https://git.kernel.org/stable/c/a4c6f804b44c5c790269b25e0e61cf4e9f117c86"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-74720","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-74720","identifiers":["CVE-2026-74720"]},"retained":false,"historicalAffected":[]}],"coverage":[]}