CVE-2026-98086

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-98086", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-09-25T10:19:56.075Z", "datePublished": "2026-09-25T10:24:21.086Z", "dateUpdated": "2026-10-19T09:13:38.462Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-10-19T09:13:38.462Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nALSA: ump: do not touch legacy_rmidi before it exists\n\nsnd_ump_parse_endpoint() sets ump->parsed on every exit, including\nerror, before the caller attaches the legacy rawmidi device.\nump_handle_ep_name_msg() then treats parsed as \"legacy_rmidi is live\"\nand calls ump_legacy_set_rawmidi_name(), which snprintf()s into\nump->legacy_rmidi->name. If a UMP packet arrives in that window\n(IRQ path from snd_ump_receive), legacy_rmidi is still NULL\n(KASAN null-ptr-deref in snprintf).\n\nGuard the legacy helpers. parsed only means endpoint info was\nparsed, not that legacy_rmidi exists."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["sound/core/ump.c"], "versions": [{"version": "37e0e14128e0685267dc5c037bf655421a6ce2ea", "lessThan": "d6f9af093dc91dac8848a01e417b8109c651c0b2", "status": "affected", "versionType": "git"}, {"version": "37e0e14128e0685267dc5c037bf655421a6ce2ea", "lessThan": "1c8e01792adf91879322f1ad752f1814de8b7e7d", "status": "affected", "versionType": "git"}, {"version": "37e0e14128e0685267dc5c037bf655421a6ce2ea", "lessThan": "228075f31b141395233218712242913125ace4e0", "status": "affected", "versionType": "git"}, {"version": "37e0e14128e0685267dc5c037bf655421a6ce2ea", "lessThan": "a4cef20cd473e0640fefd38094d4baac0ec76ae3", "status": "affected", "versionType": "git"}, {"version": "37e0e14128e0685267dc5c037bf655421a6ce2ea", "lessThan": "adeee7187694719890aaffdc14b7e89cfd736f1d", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["sound/core/ump.c"], "versions": [{"version": "6.5", "status": "affected"}, {"version": "0", "lessThan": "6.5", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.158", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.111", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.53", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.2.7", "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": "6.5", "versionEndExcluding": "6.6.158"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.5", "versionEndExcluding": "6.12.111"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.5", "versionEndExcluding": "6.18.53"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.5", "versionEndExcluding": "7.2.7"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.5", "versionEndExcluding": "7.3"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/d6f9af093dc91dac8848a01e417b8109c651c0b2"}, {"url": "https://git.kernel.org/stable/c/1c8e01792adf91879322f1ad752f1814de8b7e7d"}, {"url": "https://git.kernel.org/stable/c/228075f31b141395233218712242913125ace4e0"}, {"url": "https://git.kernel.org/stable/c/a4cef20cd473e0640fefd38094d4baac0ec76ae3"}, {"url": "https://git.kernel.org/stable/c/adeee7187694719890aaffdc14b7e89cfd736f1d"}], "title": "ALSA: ump: do not touch legacy_rmidi before it exists", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["sound/core/ump.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "d6f9af093dc91dac8848a01e417b8109c651c0b2", "status": "affected", "version": "37e0e14128e0685267dc5c037bf655421a6ce2ea", "versionType": "git"}, {"lessThan": "1c8e01792adf91879322f1ad752f1814de8b7e7d", "status": "affected", "version": "37e0e14128e0685267dc5c037bf655421a6ce2ea", "versionType": "git"}, {"lessThan": "228075f31b141395233218712242913125ace4e0", "status": "affected", "version": "37e0e14128e0685267dc5c037bf655421a6ce2ea", "versionType": "git"}, {"lessThan": "a4cef20cd473e0640fefd38094d4baac0ec76ae3", "status": "affected", "version": "37e0e14128e0685267dc5c037bf655421a6ce2ea", "versionType": "git"}, {"lessThan": "adeee7187694719890aaffdc14b7e89cfd736f1d", "status": "affected", "version": "37e0e14128e0685267dc5c037bf655421a6ce2ea", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["sound/core/ump.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "6.5"}, {"lessThan": "6.5", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "6.6.*", "status": "unaffected", "version": "6.6.158", "versionType": "semver"}, {"lessThanOrEqual": "6.12.*", "status": "unaffected", "version": "6.12.111", "versionType": "semver"}, {"lessThanOrEqual": "6.18.*", "status": "unaffected", "version": "6.18.53", "versionType": "semver"}, {"lessThanOrEqual": "7.2.*", "status": "unaffected", "version": "7.2.7", "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\nALSA: ump: do not touch legacy_rmidi before it exists\n\nsnd_ump_parse_endpoint() sets ump->parsed on every exit, including\nerror, before the caller attaches the legacy rawmidi device.\nump_handle_ep_name_msg() then treats parsed as \"legacy_rmidi is live\"\nand calls ump_legacy_set_rawmidi_name(), which snprintf()s into\nump->legacy_rmidi->name. If a UMP packet arrives in that window\n(IRQ path from snd_ump_receive), legacy_rmidi is still NULL\n(KASAN null-ptr-deref in snprintf).\n\nGuard the legacy helpers. parsed only means endpoint info was\nparsed, not that legacy_rmidi exists."}], "id": "CVE-2026-98086", "lastModified": "2026-10-19T10:18:04.883", "metrics": {}, "published": "2026-09-25T11:17:38.200", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/1c8e01792adf91879322f1ad752f1814de8b7e7d"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/228075f31b141395233218712242913125ace4e0"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/a4cef20cd473e0640fefd38094d4baac0ec76ae3"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/adeee7187694719890aaffdc14b7e89cfd736f1d"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/d6f9af093dc91dac8848a01e417b8109c651c0b2"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Undergoing Analysis"}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[37e0e14128e0685267dc5c037bf655421a6ce2ea,1c8e01792adf91879322f1ad752f1814de8b7e7d)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[37e0e14128e0685267dc5c037bf655421a6ce2ea,228075f31b141395233218712242913125ace4e0)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[37e0e14128e0685267dc5c037bf655421a6ce2ea,a4cef20cd473e0640fefd38094d4baac0ec76ae3)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[37e0e14128e0685267dc5c037bf655421a6ce2ea,adeee7187694719890aaffdc14b7e89cfd736f1d)"}}], "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": "semver", "value": "6.5"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[0,6.5)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.12.111,6.13.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.18.53,6.19.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.2.7,8.0.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "7.3-rc2"}}], "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": "2026-09-25T16:15:16.287881+00:00", "updated": "2026-09-26T05:15:04.483317+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"], "weaknesses": ["CWE-476"]}