122 lines
5.5 KiB
JSON
122 lines
5.5 KiB
JSON
{
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"dataType": "CVE_RECORD",
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"dataVersion": "5.2",
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"cveMetadata": {
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"cveId": "CVE-2026-93044",
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"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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"state": "PUBLISHED",
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"assignerShortName": "Linux",
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"dateReserved": "2026-09-17T15:57:05.658Z",
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"datePublished": "2026-09-17T16:10:36.285Z",
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"dateUpdated": "2026-10-19T09:04:39.165Z"
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},
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"containers": {
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"cna": {
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"providerMetadata": {
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"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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"shortName": "Linux",
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"dateUpdated": "2026-10-19T09:04:39.165Z"
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},
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"descriptions": [
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{
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"lang": "en",
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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nbpf: Disallow interpreter fallback for arena-related insns\n\nSince the interpreter does not support the arena-related insns,\ninterpreter fallback should not be allowed for these insns in\ncore.c::__bpf_prog_select_runtime().\n\nCurrently, when the interpreter executes the arena ST/LDX/STX insns,\nit would hit the BUG_ON() in ___bpf_prog_run() at run time.\n\n[ 2.579196] BPF interpreter: unknown opcode a2 (imm: 0x0)\n[ 2.579998] ------------[ cut here ]------------\n[ 2.580652] kernel BUG at kernel/bpf/core.c:2349!\n[ 2.581314] Oops: invalid opcode: 0000 [#1] SMP PTI\n\nSet jit_required as true when arena map is used in the prog to disallow\ninterpreter fallback for arena-related insns."
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}
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],
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"affected": [
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{
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"product": "Linux",
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"vendor": "Linux",
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"defaultStatus": "unaffected",
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"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
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"programFiles": [
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"kernel/bpf/verifier.c"
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],
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"versions": [
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{
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"version": "6082b6c328b5486da2b356eae94b8b83c98b5565",
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"lessThan": "408b6d3bc19c4aa852ab7ee2f447756e52e69967",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "6082b6c328b5486da2b356eae94b8b83c98b5565",
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"lessThan": "34746b5a84ec37c0ea2bf6808c65c5ed8790eb51",
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"status": "affected",
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"versionType": "git"
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}
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]
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},
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{
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"product": "Linux",
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"vendor": "Linux",
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"defaultStatus": "affected",
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"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
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"programFiles": [
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"kernel/bpf/verifier.c"
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],
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"versions": [
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{
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"version": "6.9",
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"status": "affected"
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},
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{
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"version": "0",
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"lessThan": "6.9",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "7.2.6",
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"lessThanOrEqual": "7.2.*",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "7.3",
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"lessThanOrEqual": "*",
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"status": "unaffected",
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"versionType": "original_commit_for_fix"
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}
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]
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}
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],
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"cpeApplicability": [
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{
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"nodes": [
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{
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"operator": "OR",
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"negate": false,
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"cpeMatch": [
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "6.9",
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"versionEndExcluding": "7.2.6"
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},
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "6.9",
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"versionEndExcluding": "7.3"
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}
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]
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}
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]
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}
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],
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"references": [
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{
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"url": "https://git.kernel.org/stable/c/408b6d3bc19c4aa852ab7ee2f447756e52e69967"
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},
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{
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"url": "https://git.kernel.org/stable/c/34746b5a84ec37c0ea2bf6808c65c5ed8790eb51"
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}
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],
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"title": "bpf: Disallow interpreter fallback for arena-related insns",
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"x_generator": {
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"engine": "bippy-1.2.0"
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}
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}
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}
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} |