CVE-2026-93043

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-93043", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-09-17T15:57:05.657Z", "datePublished": "2026-09-17T16:10:35.602Z", "dateUpdated": "2026-10-19T09:04:38.184Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-10-19T09:04:38.184Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nbpf: Disallow interpreter fallback for gotox insn\n\nThe interpreter does not recognize the BPF_JMP|BPF_JA|BPF_X insn, which\nis used for insn_array map. Thereafter, it would hit the BUG_ON() in\n___bpf_prog_run() at run time.\n\n[ 2.563726] BPF interpreter: unknown opcode 0d (imm: 0x0)\n[ 2.564557] ------------[ cut here ]------------\n[ 2.565206] kernel BUG at kernel/bpf/core.c:2349!\n[ 2.565882] Oops: invalid opcode: 0000 [#1] SMP PTI\n\nSet jit_required as true when insn_array map is used in the prog in\norder to disallow interpreter fallback for gotox insn in\ncore.c::__bpf_prog_select_runtime()."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["kernel/bpf/verifier.c"], "versions": [{"version": "493d9e0d608339a32f568504d5fd411a261bb0af", "lessThan": "17da80d0c7b56579476b6644120bcfea778e531a", "status": "affected", "versionType": "git"}, {"version": "493d9e0d608339a32f568504d5fd411a261bb0af", "lessThan": "905f716362e1186c1a23447ca279e6d21f795cdb", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["kernel/bpf/verifier.c"], "versions": [{"version": "6.19", "status": "affected"}, {"version": "0", "lessThan": "6.19", "status": "unaffected", "versionType": "semver"}, {"version": "7.2.6", "lessThanOrEqual": "7.2.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.3", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix"}]}], "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.19", "versionEndExcluding": "7.2.6"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.19", "versionEndExcluding": "7.3"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/17da80d0c7b56579476b6644120bcfea778e531a"}, {"url": "https://git.kernel.org/stable/c/905f716362e1186c1a23447ca279e6d21f795cdb"}], "title": "bpf: Disallow interpreter fallback for gotox insn", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"affected": [{"affectedData": [{"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": "17da80d0c7b56579476b6644120bcfea778e531a", "status": "affected", "version": "493d9e0d608339a32f568504d5fd411a261bb0af", "versionType": "git"}, {"lessThan": "905f716362e1186c1a23447ca279e6d21f795cdb", "status": "affected", "version": "493d9e0d608339a32f568504d5fd411a261bb0af", "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": "6.19"}, {"lessThan": "6.19", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "7.2.*", "status": "unaffected", "version": "7.2.6", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "7.3", "versionType": "original_commit_for_fix"}]}], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nbpf: Disallow interpreter fallback for gotox insn\n\nThe interpreter does not recognize the BPF_JMP|BPF_JA|BPF_X insn, which\nis used for insn_array map. Thereafter, it would hit the BUG_ON() in\n___bpf_prog_run() at run time.\n\n[ 2.563726] BPF interpreter: unknown opcode 0d (imm: 0x0)\n[ 2.564557] ------------[ cut here ]------------\n[ 2.565206] kernel BUG at kernel/bpf/core.c:2349!\n[ 2.565882] Oops: invalid opcode: 0000 [#1] SMP PTI\n\nSet jit_required as true when insn_array map is used in the prog in\norder to disallow interpreter fallback for gotox insn in\ncore.c::__bpf_prog_select_runtime()."}], "id": "CVE-2026-93043", "lastModified": "2026-10-19T10:16:54.023", "metrics": {}, "published": "2026-09-17T17:17:57.543", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/17da80d0c7b56579476b6644120bcfea778e531a"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/905f716362e1186c1a23447ca279e6d21f795cdb"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[493d9e0d608339a32f568504d5fd411a261bb0af,17da80d0c7b56579476b6644120bcfea778e531a)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[493d9e0d608339a32f568504d5fd411a261bb0af,905f716362e1186c1a23447ca279e6d21f795cdb)"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "6.19"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[0,6.19)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[7.2.6,7.3.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[7.3-rc1,*]"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}], "created": "2026-09-19T11:45:08.254080+00:00", "updated": "2026-09-19T13:15:16.931784+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"], "weaknesses": ["CWE-20"]}