{"api_version":"1","generated_at":"2026-08-22T21:52:59+00:00","cve":"CVE-2026-74720","urls":{"html":"https://cve.report/CVE-2026-74720","api":"https://cve.report/api/cve/CVE-2026-74720.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-74720","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-74720"},"summary":{"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":"PUBLISHED","assigner":"Linux","published_at":"2026-08-22 16:16:46","updated_at":"2026-08-22 16:16:46"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/d1959028190a7649b926f5867a58de5fe221b23c","name":"https://git.kernel.org/stable/c/d1959028190a7649b926f5867a58de5fe221b23c","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/8cb23101a3fcc7432b451ea3d0f14a90711f4acf","name":"https://git.kernel.org/stable/c/8cb23101a3fcc7432b451ea3d0f14a90711f4acf","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/db6382ed3361bdd8129572a3423956cba1dae829","name":"https://git.kernel.org/stable/c/db6382ed3361bdd8129572a3423956cba1dae829","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/8109c25e0c41f5f19a1c2380bb49c991a877494e","name":"https://git.kernel.org/stable/c/8109c25e0c41f5f19a1c2380bb49c991a877494e","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/a4c6f804b44c5c790269b25e0e61cf4e9f117c86","name":"https://git.kernel.org/stable/c/a4c6f804b44c5c790269b25e0e61cf4e9f117c86","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/eaffa1495e4fe6330aeff9f323ea3d48b01f118a","name":"https://git.kernel.org/stable/c/eaffa1495e4fe6330aeff9f323ea3d48b01f118a","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/29c239f8dbec5ab33a61796724d189bddee6cd4b","name":"https://git.kernel.org/stable/c/29c239f8dbec5ab33a61796724d189bddee6cd4b","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/86b203aadc2930e0a4f9c6277b5b80ff3664c472","name":"https://git.kernel.org/stable/c/86b203aadc2930e0a4f9c6277b5b80ff3664c472","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-74720","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-74720","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected f4d7e40a5b7157e1329c3c5b10f60d8289fc2941 86b203aadc2930e0a4f9c6277b5b80ff3664c472 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected f4d7e40a5b7157e1329c3c5b10f60d8289fc2941 8109c25e0c41f5f19a1c2380bb49c991a877494e git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected f4d7e40a5b7157e1329c3c5b10f60d8289fc2941 d1959028190a7649b926f5867a58de5fe221b23c git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected f4d7e40a5b7157e1329c3c5b10f60d8289fc2941 8cb23101a3fcc7432b451ea3d0f14a90711f4acf git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 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semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 5.15.216 5.15.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.1.183 6.1.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.6.152 6.6.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.12.104 6.12.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.18.45 6.18.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.1.9 7.1.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.2 * original_commit_for_fix","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["kernel/bpf/verifier.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"86b203aadc2930e0a4f9c6277b5b80ff3664c472","status":"affected","version":"f4d7e40a5b7157e1329c3c5b10f60d8289fc2941","versionType":"git"},{"lessThan":"8109c25e0c41f5f19a1c2380bb49c991a877494e","status":"affected","version":"f4d7e40a5b7157e1329c3c5b10f60d8289fc2941","versionType":"git"},{"lessThan":"d1959028190a7649b926f5867a58de5fe221b23c","status":"affected","version":"f4d7e40a5b7157e1329c3c5b10f60d8289fc2941","versionType":"git"},{"lessThan":"8cb23101a3fcc7432b451ea3d0f14a90711f4acf","status":"affected","version":"f4d7e40a5b7157e1329c3c5b10f60d8289fc2941","versionType":"git"},{"lessThan":"29c239f8dbec5ab33a61796724d189bddee6cd4b","status":"affected","version":"f4d7e40a5b7157e1329c3c5b10f60d8289fc2941","versionType":"git"},{"lessThan":"db6382ed3361bdd8129572a3423956cba1dae829","status":"affected","version":"f4d7e40a5b7157e1329c3c5b10f60d8289fc2941","versionType":"git"},{"lessThan":"eaffa1495e4fe6330aeff9f323ea3d48b01f118a","status":"affected","version":"f4d7e40a5b7157e1329c3c5b10f60d8289fc2941","versionType":"git"},{"lessThan":"a4c6f804b44c5c790269b25e0e61cf4e9f117c86","status":"affected","version":"f4d7e40a5b7157e1329c3c5b10f60d8289fc2941","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["kernel/bpf/verifier.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"4.16"},{"lessThan":"4.16","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"5.10.*","status":"unaffected","version":"5.10.265","versionType":"semver"},{"lessThanOrEqual":"5.15.*","status":"unaffected","version":"5.15.216","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.183","versionType":"semver"},{"lessThanOrEqual":"6.6.*","status":"unaffected","version":"6.6.152","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.104","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.45","versionType":"semver"},{"lessThanOrEqual":"7.1.*","status":"unaffected","version":"7.1.9","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.2","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"5.10.265","versionStartIncluding":"4.16","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"5.15.216","versionStartIncluding":"4.16","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.1.183","versionStartIncluding":"4.16","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.6.152","versionStartIncluding":"4.16","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.12.104","versionStartIncluding":"4.16","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.45","versionStartIncluding":"4.16","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.1.9","versionStartIncluding":"4.16","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.2","versionStartIncluding":"4.16","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"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."}],"providerMetadata":{"dateUpdated":"2026-08-22T15:33:13.342Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/86b203aadc2930e0a4f9c6277b5b80ff3664c472"},{"url":"https://git.kernel.org/stable/c/8109c25e0c41f5f19a1c2380bb49c991a877494e"},{"url":"https://git.kernel.org/stable/c/d1959028190a7649b926f5867a58de5fe221b23c"},{"url":"https://git.kernel.org/stable/c/8cb23101a3fcc7432b451ea3d0f14a90711f4acf"},{"url":"https://git.kernel.org/stable/c/29c239f8dbec5ab33a61796724d189bddee6cd4b"},{"url":"https://git.kernel.org/stable/c/db6382ed3361bdd8129572a3423956cba1dae829"},{"url":"https://git.kernel.org/stable/c/eaffa1495e4fe6330aeff9f323ea3d48b01f118a"},{"url":"https://git.kernel.org/stable/c/a4c6f804b44c5c790269b25e0e61cf4e9f117c86"}],"title":"bpf: Preserve pointer state for commuted arithmetic","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-74720","datePublished":"2026-08-22T15:33:13.342Z","dateReserved":"2026-08-15T05:44:03.929Z","dateUpdated":"2026-08-22T15:33:13.342Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-08-22 16:16:46","lastModifiedDate":"2026-08-22 16:16:46","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"74720","Ordinal":"1","Title":"bpf: Preserve pointer state for commuted arithmetic","CVE":"CVE-2026-74720","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"74720","Ordinal":"1","NoteData":"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.","Type":"Description","Title":"bpf: Preserve pointer state for commuted arithmetic"}]}}}