{"api_version":"1","generated_at":"2026-06-25T02:35:58+00:00","cve":"CVE-2026-53092","urls":{"html":"https://cve.report/CVE-2026-53092","api":"https://cve.report/api/cve/CVE-2026-53092.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-53092","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-53092"},"summary":{"title":"bpf: Fix linked reg delta tracking when src_reg == dst_reg","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nbpf: Fix linked reg delta tracking when src_reg == dst_reg\n\nConsider the case of rX += rX where src_reg and dst_reg are pointers to\nthe same bpf_reg_state in adjust_reg_min_max_vals(). The latter first\nmodifies the dst_reg in-place, and later in the delta tracking, the\nsubsequent is_reg_const(src_reg)/reg_const_value(src_reg) reads the\npost-{add,sub} value instead of the original source.\n\nThis is problematic since it sets an incorrect delta, which sync_linked_regs()\nthen propagates to linked registers, thus creating a verifier-vs-runtime\nmismatch. Fix it by just skipping this corner case.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-06-24 17:17:23","updated_at":"2026-06-24 17:17:23"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/d88e8e4a3b52bd5b2ff3eceba4b29d1b5506d066","name":"https://git.kernel.org/stable/c/d88e8e4a3b52bd5b2ff3eceba4b29d1b5506d066","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/cc86a8b0a1c54d2bccf6f68cf49b82dea91b84de","name":"https://git.kernel.org/stable/c/cc86a8b0a1c54d2bccf6f68cf49b82dea91b84de","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/d7f14173c0d5866c3cae759dee560ad1bed10d2e","name":"https://git.kernel.org/stable/c/d7f14173c0d5866c3cae759dee560ad1bed10d2e","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-53092","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-53092","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 98d7ca374ba4b39e7535613d40e159f09ca14da2 d88e8e4a3b52bd5b2ff3eceba4b29d1b5506d066 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 98d7ca374ba4b39e7535613d40e159f09ca14da2 cc86a8b0a1c54d2bccf6f68cf49b82dea91b84de git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 98d7ca374ba4b39e7535613d40e159f09ca14da2 d7f14173c0d5866c3cae759dee560ad1bed10d2e git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 6.11","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.11 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.18.33 6.18.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.0.10 7.0.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.1 * 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":"d88e8e4a3b52bd5b2ff3eceba4b29d1b5506d066","status":"affected","version":"98d7ca374ba4b39e7535613d40e159f09ca14da2","versionType":"git"},{"lessThan":"cc86a8b0a1c54d2bccf6f68cf49b82dea91b84de","status":"affected","version":"98d7ca374ba4b39e7535613d40e159f09ca14da2","versionType":"git"},{"lessThan":"d7f14173c0d5866c3cae759dee560ad1bed10d2e","status":"affected","version":"98d7ca374ba4b39e7535613d40e159f09ca14da2","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":"6.11"},{"lessThan":"6.11","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.33","versionType":"semver"},{"lessThanOrEqual":"7.0.*","status":"unaffected","version":"7.0.10","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.1","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.33","versionStartIncluding":"6.11","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.0.10","versionStartIncluding":"6.11","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.1","versionStartIncluding":"6.11","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nbpf: Fix linked reg delta tracking when src_reg == dst_reg\n\nConsider the case of rX += rX where src_reg and dst_reg are pointers to\nthe same bpf_reg_state in adjust_reg_min_max_vals(). The latter first\nmodifies the dst_reg in-place, and later in the delta tracking, the\nsubsequent is_reg_const(src_reg)/reg_const_value(src_reg) reads the\npost-{add,sub} value instead of the original source.\n\nThis is problematic since it sets an incorrect delta, which sync_linked_regs()\nthen propagates to linked registers, thus creating a verifier-vs-runtime\nmismatch. Fix it by just skipping this corner case."}],"providerMetadata":{"dateUpdated":"2026-06-24T16:30:31.168Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/d88e8e4a3b52bd5b2ff3eceba4b29d1b5506d066"},{"url":"https://git.kernel.org/stable/c/cc86a8b0a1c54d2bccf6f68cf49b82dea91b84de"},{"url":"https://git.kernel.org/stable/c/d7f14173c0d5866c3cae759dee560ad1bed10d2e"}],"title":"bpf: Fix linked reg delta tracking when src_reg == dst_reg","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-53092","datePublished":"2026-06-24T16:30:31.168Z","dateReserved":"2026-06-09T07:44:35.384Z","dateUpdated":"2026-06-24T16:30:31.168Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-06-24 17:17:23","lastModifiedDate":"2026-06-24 17:17:23","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"53092","Ordinal":"1","Title":"bpf: Fix linked reg delta tracking when src_reg == dst_reg","CVE":"CVE-2026-53092","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"53092","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nbpf: Fix linked reg delta tracking when src_reg == dst_reg\n\nConsider the case of rX += rX where src_reg and dst_reg are pointers to\nthe same bpf_reg_state in adjust_reg_min_max_vals(). The latter first\nmodifies the dst_reg in-place, and later in the delta tracking, the\nsubsequent is_reg_const(src_reg)/reg_const_value(src_reg) reads the\npost-{add,sub} value instead of the original source.\n\nThis is problematic since it sets an incorrect delta, which sync_linked_regs()\nthen propagates to linked registers, thus creating a verifier-vs-runtime\nmismatch. Fix it by just skipping this corner case.","Type":"Description","Title":"bpf: Fix linked reg delta tracking when src_reg == dst_reg"}]}}}