{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-97444", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-09-24T14:53:16.870Z", "datePublished": "2026-09-24T16:03:59.121Z", "dateUpdated": "2026-09-25T12:44:21.946Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-09-25T12:44:21.946Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nACPICA: add boundary checks in two places\n\nAdd boundary checks in acpi_ps_get_next_namestring() and\nacpi_ps_peek_opcode() to prevent out-of-bounds access."}], "metrics": [{"cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H", "baseScore": 7.7, "baseSeverity": "HIGH"}, "scenarios": [{"lang": "en", "value": "AV:L - The truncated AML that acpi_ps_get_next_namestring() and acpi_ps_peek_opcode() over-read is the platform DSDT/SSDT stream parsed by acpi_ns_execute_table() from acpi_load_tables() in acpi_bus_init(); those bytes come from local firmware tables, not from a network protocol message.\nAC:L - A DSDT/SSDT whose namestring (AML_MULTI_NAME_PREFIX count or a run of '\\'/'^' prefixes) or final opcode sits against the AML buffer end makes acpi_ps_get_next_namestring() and acpi_ps_peek_opcode() read past parser_state->aml_end on every acpi_load_tables() parse; the table author sets those bytes and no race is required.\nPR:N - acpi_bus_init() calls acpi_load_tables() \u2192 acpi_tb_load_namespace() \u2192 acpi_ns_load_table() \u2192 acpi_ns_execute_table() at boot with no capability check, so the OOB in acpi_ps_get_next_namestring()/acpi_ps_peek_opcode() fires on firmware AML before any user account exists.\nUI:N - acpi_load_tables() parses the DSDT/SSDT automatically during acpi_bus_init() at boot; the victim does not need to mount media, open a file, or otherwise interact.\nS:U - acpi_ns_lookup()'s ACPI_MOVE_32_TO_32 of an over-long nameseg and acpi_ps_peek_opcode()'s ACPI_GET8 over-read kernel memory adjacent to the mapped AML buffer inside the host kernel; this is not a VM escape or IOMMU bypass.\nC:H - acpi_ps_get_next_namestring() does not cap '\\'/'^' prefix walking or the AML_MULTI_NAME_PREFIX count byte, then acpi_ns_lookup() copies up to 255 four-byte namesegs via ACPI_MOVE_32_TO_32 past aml_end, so the out-of-bounds read is not limited to a few bytes.\nI:N - The demonstrated faults are heap-buffer-overflow reads (4 bytes in acpi_ns_lookup, 1\u20132 bytes in acpi_ps_peek_opcode); the patched functions only advance parser_state->aml and return a namestring pointer or opcode, and do not write past the AML buffer.\nA:H - The same over-read past the AML allocation in acpi_ns_lookup()/acpi_ps_peek_opcode() during acpi_load_tables() can touch unmapped memory and oops or panic the kernel at boot."}]}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/acpi/acpica/psargs.c", "drivers/acpi/acpica/psparse.c"], "versions": [{"version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "lessThan": "253d7272d01db9529c79b95205c0f859ef9f4f23", "status": "affected", "versionType": "git"}, {"version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "lessThan": "4de2cffef5e6b5b79eec8c934df582459b818228", "status": "affected", "versionType": "git"}, {"version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "lessThan": "bdc35754012906dbf094be104b103ca3adfef6f7", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/acpi/acpica/psargs.c", "drivers/acpi/acpica/psparse.c"], "versions": [{"version": "2.6.12", "status": "affected"}, {"version": "0", "lessThan": "2.6.12", "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", "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": "2.6.12", "versionEndExcluding": "6.12.111"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.12", "versionEndExcluding": "6.18.53"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.12", "versionEndExcluding": "7.2"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/253d7272d01db9529c79b95205c0f859ef9f4f23"}, {"url": "https://git.kernel.org/stable/c/4de2cffef5e6b5b79eec8c934df582459b818228"}, {"url": "https://git.kernel.org/stable/c/bdc35754012906dbf094be104b103ca3adfef6f7"}], "title": "ACPICA: add boundary checks in two places", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["drivers/acpi/acpica/psargs.c", "drivers/acpi/acpica/psparse.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "253d7272d01db9529c79b95205c0f859ef9f4f23", "status": "affected", "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "versionType": "git"}, {"lessThan": "4de2cffef5e6b5b79eec8c934df582459b818228", "status": "affected", "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "versionType": "git"}, {"lessThan": "bdc35754012906dbf094be104b103ca3adfef6f7", "status": "affected", "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["drivers/acpi/acpica/psargs.c", "drivers/acpi/acpica/psparse.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "2.6.12"}, {"lessThan": "2.6.12", "status": "unaffected", "version": "0", "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": "*", "status": "unaffected", "version": "7.2", "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\nACPICA: add boundary checks in two places\n\nAdd boundary checks in acpi_ps_get_next_namestring() and\nacpi_ps_peek_opcode() to prevent out-of-bounds access."}], "id": "CVE-2026-97444", "lastModified": "2026-09-25T13:17:28.133", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.7, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 2.5, "impactScore": 5.2, "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "type": "Secondary"}]}, "published": "2026-09-24T17:17:22.663", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/253d7272d01db9529c79b95205c0f859ef9f4f23"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/4de2cffef5e6b5b79eec8c934df582459b818228"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/bdc35754012906dbf094be104b103ca3adfef6f7"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[1da177e4c3f41524e886b7f1b8a0c1fc7321cac2,253d7272d01db9529c79b95205c0f859ef9f4f23)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[1da177e4c3f41524e886b7f1b8a0c1fc7321cac2,4de2cffef5e6b5b79eec8c934df582459b818228)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[1da177e4c3f41524e886b7f1b8a0c1fc7321cac2,bdc35754012906dbf094be104b103ca3adfef6f7)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[0,6.12.111)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[0,6.18.53)"}}], "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": "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": "generic", "value": "[7.2,*]"}}], "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": "2026-09-24T23:15:20.655917+00:00", "updated": "2026-09-25T10:45:18.242178+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"], "weaknesses": ["CWE-125"]}