{"api_version":"1","generated_at":"2026-04-22T23:08:39+00:00","cve":"CVE-2023-23005","urls":{"html":"https://cve.report/CVE-2023-23005","api":"https://cve.report/api/cve/CVE-2023-23005.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2023-23005","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2023-23005"},"summary":{"title":"CVE-2023-23005","description":"** DISPUTED ** In the Linux kernel before 6.2, mm/memory-tiers.c misinterprets the alloc_memory_type return value (expects it to be NULL in the error case, whereas it is actually an error pointer). NOTE: this is disputed by third parties because there are no realistic cases in which a user can cause the alloc_memory_type error case to be reached.","state":"PUBLIC","assigner":"cve@mitre.org","published_at":"2023-03-01 20:15:00","updated_at":"2023-11-07 04:07:00"},"problem_types":["CWE-476"],"metrics":[],"references":[{"url":"https://github.com/torvalds/linux/commit/4a625ceee8a0ab0273534cb6b432ce6b331db5ee","name":"https://github.com/torvalds/linux/commit/4a625ceee8a0ab0273534cb6b432ce6b331db5ee","refsource":"MISC","tags":[],"title":"mm/demotion: fix NULL vs IS_ERR checking in memory_tier_init · torvalds/linux@4a625ce · GitHub","mime":"text/html","httpstatus":"200","archivestatus":"404"},{"url":"https://bugzilla.suse.com/show_bug.cgi?id=1208844#c2","name":"https://bugzilla.suse.com/show_bug.cgi?id=1208844#c2","refsource":"MISC","tags":[],"title":"Bug 1208844 – VUL-0: CVE-2023-23005: kernel-source-azure,kernel-source-rt,kernel-source: mm/memory-tiers.c misinterprets the alloc_memory_type return value","mime":"text/html","httpstatus":"200","archivestatus":"404"},{"url":"https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.2","name":"https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.2","refsource":"MISC","tags":[],"title":"","mime":"text/plain","httpstatus":"200","archivestatus":"200"},{"url":"https://www.cve.org/CVERecord?id=CVE-2023-23005","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-23005","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[{"cve_year":"2023","cve_id":"23005","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"linux","cpe5":"linux_kernel","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2023","cve_id":"23005","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"suse","cpe5":"linux_enterprise_server","cpe6":"15","cpe7":"sp5","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"}],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[{"cve":"CVE-2023-23005","qid":"906722","title":"Common Base Linux Mariner (CBL-Mariner) Security Update for kernel (25619-1)"},{"cve":"CVE-2023-23005","qid":"906932","title":"Common Base Linux Mariner (CBL-Mariner) Security Update for kernel (25609-1)"}]},"source_records":{"cve_program":{"CVE_data_meta":{"ASSIGNER":"cve@mitre.org","ID":"CVE-2023-23005","STATE":"PUBLIC"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"n/a","version":{"version_data":[{"version_value":"n/a"}]}}]},"vendor_name":"n/a"}]}},"data_format":"MITRE","data_type":"CVE","data_version":"4.0","description":{"description_data":[{"lang":"eng","value":"** DISPUTED ** In the Linux kernel before 6.2, mm/memory-tiers.c misinterprets the alloc_memory_type return value (expects it to be NULL in the error case, whereas it is actually an error pointer). NOTE: this is disputed by third parties because there are no realistic cases in which a user can cause the alloc_memory_type error case to be reached."}]},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"n/a"}]}]},"references":{"reference_data":[{"refsource":"MISC","name":"https://github.com/torvalds/linux/commit/4a625ceee8a0ab0273534cb6b432ce6b331db5ee","url":"https://github.com/torvalds/linux/commit/4a625ceee8a0ab0273534cb6b432ce6b331db5ee"},{"refsource":"MISC","name":"https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.2","url":"https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.2"},{"refsource":"MISC","name":"https://bugzilla.suse.com/show_bug.cgi?id=1208844#c2","url":"https://bugzilla.suse.com/show_bug.cgi?id=1208844#c2"}]}},"nvd":{"publishedDate":"2023-03-01 20:15:00","lastModifiedDate":"2023-11-07 04:07:00","problem_types":["CWE-476"],"metrics":{"baseMetricV3":{"cvssV3":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH","baseScore":5.5,"baseSeverity":"MEDIUM"},"exploitabilityScore":1.8,"impactScore":3.6}},"configurations":{"CVE_data_version":"4.0","nodes":[{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.2","cpe_name":[]}]},{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:suse:linux_enterprise_server:15:sp5:*:*:*:*:*:*","cpe_name":[]}]}]}},"legacy_mitre":{"record":null,"notes":[]}}}