{ "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" } } } }