{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-45982", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-05-13T15:03:33.090Z", "datePublished": "2026-05-27T12:18:40.822Z", "dateUpdated": "2026-05-27T12:18:40.822Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-27T12:18:40.822Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nACPICA: Fix NULL pointer dereference in acpi_ev_address_space_dispatch()\n\nCover a missed execution path with a new check."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/acpi/acpica/evregion.c"], "versions": [{"version": "0acf24ad7e10f547809faefb8069f8f5482eb4d9", "lessThan": "7d99cbe717c1b15a66559215df32312d8cf7e525", "status": "affected", "versionType": "git"}, {"version": "0acf24ad7e10f547809faefb8069f8f5482eb4d9", "lessThan": "f2cf475d23b8486dfa414f7ac09f918ffd3c32a5", "status": "affected", "versionType": "git"}, {"version": "0acf24ad7e10f547809faefb8069f8f5482eb4d9", "lessThan": "cce354524da4d10fd2c7eb835e2e4e8ab8c0ce97", "status": "affected", "versionType": "git"}, {"version": "0acf24ad7e10f547809faefb8069f8f5482eb4d9", "lessThan": "b24595b86920911d2b04f862422b896a0620e9ad", "status": "affected", "versionType": "git"}, {"version": "0acf24ad7e10f547809faefb8069f8f5482eb4d9", "lessThan": "56024dbe8c76cff22f53ba81a95d9efd4d0c9c44", "status": "affected", "versionType": "git"}, {"version": "0acf24ad7e10f547809faefb8069f8f5482eb4d9", "lessThan": "f851e03bce968ff9b3faad1b616062e1244fd38d", "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/evregion.c"], "versions": [{"version": "5.17", "status": "affected"}, {"version": "0", "lessThan": "5.17", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.165", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.128", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.75", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.14", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.19.4", "lessThanOrEqual": "6.19.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.0", "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": "5.17", "versionEndExcluding": "6.1.165"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.17", "versionEndExcluding": "6.6.128"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.17", "versionEndExcluding": "6.12.75"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.17", "versionEndExcluding": "6.18.14"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.17", "versionEndExcluding": "6.19.4"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.17", "versionEndExcluding": "7.0"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/7d99cbe717c1b15a66559215df32312d8cf7e525"}, {"url": "https://git.kernel.org/stable/c/f2cf475d23b8486dfa414f7ac09f918ffd3c32a5"}, {"url": "https://git.kernel.org/stable/c/cce354524da4d10fd2c7eb835e2e4e8ab8c0ce97"}, {"url": "https://git.kernel.org/stable/c/b24595b86920911d2b04f862422b896a0620e9ad"}, {"url": "https://git.kernel.org/stable/c/56024dbe8c76cff22f53ba81a95d9efd4d0c9c44"}, {"url": "https://git.kernel.org/stable/c/f851e03bce968ff9b3faad1b616062e1244fd38d"}], "title": "ACPICA: Fix NULL pointer dereference in acpi_ev_address_space_dispatch()", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["drivers/acpi/acpica/evregion.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "7d99cbe717c1b15a66559215df32312d8cf7e525", "status": "affected", "version": "0acf24ad7e10f547809faefb8069f8f5482eb4d9", "versionType": "git"}, {"lessThan": "f2cf475d23b8486dfa414f7ac09f918ffd3c32a5", "status": "affected", "version": "0acf24ad7e10f547809faefb8069f8f5482eb4d9", "versionType": "git"}, {"lessThan": "cce354524da4d10fd2c7eb835e2e4e8ab8c0ce97", "status": "affected", "version": "0acf24ad7e10f547809faefb8069f8f5482eb4d9", "versionType": "git"}, {"lessThan": "b24595b86920911d2b04f862422b896a0620e9ad", "status": "affected", "version": "0acf24ad7e10f547809faefb8069f8f5482eb4d9", "versionType": "git"}, {"lessThan": "56024dbe8c76cff22f53ba81a95d9efd4d0c9c44", "status": "affected", "version": "0acf24ad7e10f547809faefb8069f8f5482eb4d9", "versionType": "git"}, {"lessThan": "f851e03bce968ff9b3faad1b616062e1244fd38d", "status": "affected", "version": "0acf24ad7e10f547809faefb8069f8f5482eb4d9", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["drivers/acpi/acpica/evregion.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "5.17"}, {"lessThan": "5.17", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "6.1.*", "status": "unaffected", "version": "6.1.165", "versionType": "semver"}, {"lessThanOrEqual": "6.6.*", "status": "unaffected", "version": "6.6.128", "versionType": "semver"}, {"lessThanOrEqual": "6.12.*", "status": "unaffected", "version": "6.12.75", "versionType": "semver"}, {"lessThanOrEqual": "6.18.*", "status": "unaffected", "version": "6.18.14", "versionType": "semver"}, {"lessThanOrEqual": "6.19.*", "status": "unaffected", "version": "6.19.4", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "7.0", "versionType": "original_commit_for_fix"}]}], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "3666AFB0-DDAB-4EA0-A49C-5CF5B48699E3", "versionEndExcluding": "6.1.165", "versionStartIncluding": "5.17", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "851E9353-6C09-4CC9-877E-E09DB164A3C2", "versionEndExcluding": "6.6.128", "versionStartIncluding": "6.2", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "BCE16369-98ED-41CF-8995-DFDC10B288D2", "versionEndExcluding": "6.12.75", "versionStartIncluding": "6.7", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "BF463CB7-1F58-4607-B847-77ED23E4B9B7", "versionEndExcluding": "6.18.14", "versionStartIncluding": "6.13", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "672A3E79-EC03-479D-8503-361DFBDC8092", "versionEndExcluding": "6.19.4", "versionStartIncluding": "6.19", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nACPICA: Fix NULL pointer dereference in acpi_ev_address_space_dispatch()\n\nCover a missed execution path with a new check."}], "id": "CVE-2026-45982", "lastModified": "2026-06-17T10:52:50.607", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2026-05-27T14:17:15.383", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/56024dbe8c76cff22f53ba81a95d9efd4d0c9c44"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/7d99cbe717c1b15a66559215df32312d8cf7e525"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/b24595b86920911d2b04f862422b896a0620e9ad"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/cce354524da4d10fd2c7eb835e2e4e8ab8c0ce97"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/f2cf475d23b8486dfa414f7ac09f918ffd3c32a5"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/f851e03bce968ff9b3faad1b616062e1244fd38d"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-476"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: ACPICA: Fix NULL pointer dereference in acpi_ev_address_space_dispatch()", "id": "2481975", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2481975"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.5", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-476", "details": ["A flaw was found in the Linux kernel. A NULL pointer dereference in the `acpi_ev_address_space_dispatch()` function could allow a local attacker to cause a denial of service (DoS) by triggering a missed execution path. This vulnerability arises from an incomplete check in the Advanced Configuration and Power Interface (ACPI) component."], "name": "CVE-2026-45982", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Out of support scope", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Fix deferred", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2026-05-27T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-45982\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-45982\nhttps://lore.kernel.org/linux-cve-announce/2026052738-CVE-2026-45982-0555@gregkh/T"], "threat_severity": "Low"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[0acf24ad7e10f547809faefb8069f8f5482eb4d9,7d99cbe717c1b15a66559215df32312d8cf7e525)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[0acf24ad7e10f547809faefb8069f8f5482eb4d9,f2cf475d23b8486dfa414f7ac09f918ffd3c32a5)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[0acf24ad7e10f547809faefb8069f8f5482eb4d9,cce354524da4d10fd2c7eb835e2e4e8ab8c0ce97)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[0acf24ad7e10f547809faefb8069f8f5482eb4d9,b24595b86920911d2b04f862422b896a0620e9ad)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[0acf24ad7e10f547809faefb8069f8f5482eb4d9,56024dbe8c76cff22f53ba81a95d9efd4d0c9c44)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[0acf24ad7e10f547809faefb8069f8f5482eb4d9,f851e03bce968ff9b3faad1b616062e1244fd38d)"}}], "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": "5.17"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[0,5.17)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.1.165,6.2.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.6.128,6.7.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.12.75,6.13.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.18.14,6.19.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.19.4,7.0.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[7.0,*]"}}], "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": "2026-05-27T20:45:25.615368+00:00", "updated": "2026-05-28T02:45:05.163543+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}