{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2023-52450", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2024-02-20T12:30:33.293Z", "datePublished": "2024-02-22T16:21:41.661Z", "dateUpdated": "2024-09-11T17:33:50.890Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2024-05-29T05:12:05.417Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nperf/x86/intel/uncore: Fix NULL pointer dereference issue in upi_fill_topology()\n\nGet logical socket id instead of physical id in discover_upi_topology()\nto avoid out-of-bound access on 'upi = &type->topology[nid][idx];' line\nthat leads to NULL pointer dereference in upi_fill_topology()"}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["arch/x86/events/intel/uncore_snbep.c"], "versions": [{"version": "f680b6e6062e", "lessThan": "bf1bf09e6b59", "status": "affected", "versionType": "git"}, {"version": "f680b6e6062e", "lessThan": "3d6f4a78b104", "status": "affected", "versionType": "git"}, {"version": "f680b6e6062e", "lessThan": "1692cf434ba1", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["arch/x86/events/intel/uncore_snbep.c"], "versions": [{"version": "6.2", "status": "affected"}, {"version": "0", "lessThan": "6.2", "status": "unaffected", "versionType": "custom"}, {"version": "6.6.14", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "custom"}, {"version": "6.7.2", "lessThanOrEqual": "6.7.*", "status": "unaffected", "versionType": "custom"}, {"version": "6.8", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix"}]}], "references": [{"url": "https://git.kernel.org/stable/c/bf1bf09e6b599758851457f3999779622a48d015"}, {"url": "https://git.kernel.org/stable/c/3d6f4a78b104c65e4256c3776c9949f49a1b459e"}, {"url": "https://git.kernel.org/stable/c/1692cf434ba13ee212495b5af795b6a07e986ce4"}], "title": "perf/x86/intel/uncore: Fix NULL pointer dereference issue in upi_fill_topology()", "x_generator": {"engine": "bippy-a5840b7849dd"}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-02T22:55:41.573Z"}, "title": "CVE Program Container", "references": [{"url": "https://git.kernel.org/stable/c/bf1bf09e6b599758851457f3999779622a48d015", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/3d6f4a78b104c65e4256c3776c9949f49a1b459e", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/1692cf434ba13ee212495b5af795b6a07e986ce4", "tags": ["x_transferred"]}]}, {"metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2023-52450", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2024-09-10T16:02:43.172310Z"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-09-11T17:33:50.890Z"}}]}}

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{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "BDBBEB0E-D13A-4567-8984-51C5375350B9", "versionEndExcluding": "6.6.14", "versionStartIncluding": "6.2.0", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "0EA3778C-730B-464C-8023-18CA6AC0B807", "versionEndExcluding": "6.7.2", "versionStartIncluding": "6.7.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nperf/x86/intel/uncore: Fix NULL pointer dereference issue in upi_fill_topology()\n\nGet logical socket id instead of physical id in discover_upi_topology()\nto avoid out-of-bound access on 'upi = &type->topology[nid][idx];' line\nthat leads to NULL pointer dereference in upi_fill_topology()"}, {"lang": "es", "value": "En el kernel de Linux, se resolvi\u00f3 la siguiente vulnerabilidad: perf/x86/intel/uncore: solucione el problema de desreferencia del puntero NULL en upi_fill_topology(). Obtenga la identificaci\u00f3n del socket l\u00f3gico en lugar de la identificaci\u00f3n f\u00edsica en discover_upi_topology() para evitar el acceso fuera de l\u00edmites en 'upi = &tipo->topolog\u00eda[nid][idx];' l\u00ednea que conduce a la desreferencia del puntero NULL en upi_fill_topology()"}], "id": "CVE-2023-52450", "lastModified": "2024-03-18T18:34:16.497", "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": "2024-02-22T17:15:08.733", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/1692cf434ba13ee212495b5af795b6a07e986ce4"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/3d6f4a78b104c65e4256c3776c9949f49a1b459e"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/bf1bf09e6b599758851457f3999779622a48d015"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-476"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"affected_release": [{"advisory": "RHSA-2024:4823", "cpe": "cpe:/a:redhat:rhel_eus:9.2", "package": "kernel-0:5.14.0-284.75.1.el9_2", "product_name": "Red Hat Enterprise Linux 9.2 Extended Update Support", "release_date": "2024-07-24T00:00:00Z"}, {"advisory": "RHSA-2024:4831", "cpe": "cpe:/a:redhat:rhel_eus:9.2::nfv", "package": "kernel-rt-0:5.14.0-284.75.1.rt14.360.el9_2", "product_name": "Red Hat Enterprise Linux 9.2 Extended Update Support", "release_date": "2024-07-24T00:00:00Z"}], "bugzilla": {"description": "kernel: intel: Fix NULL pointer dereference issue in upi_fill_topology()", "id": "2265649", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2265649"}, "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": "verified"}, "cwe": "CWE-476", "details": ["In the Linux kernel, the following vulnerability has been resolved:\nperf/x86/intel/uncore: Fix NULL pointer dereference issue in upi_fill_topology()\nGet logical socket id instead of physical id in discover_upi_topology()\nto avoid out-of-bound access on 'upi = &type->topology[nid][idx];' line\nthat leads to NULL pointer dereference in upi_fill_topology()", "A vulnerability was discovered in the Linux kernel in which certain CPU topologies could result in a null pointer dereference, affecting system stability."], "mitigation": {"lang": "en:us", "value": "No mitigation is currently available for this vulnerability. Make sure to perform the updates as they become available."}, "name": "CVE-2023-52450", "package_state": [{"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": "Out of support scope", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2024-02-22T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2023-52450\nhttps://nvd.nist.gov/vuln/detail/CVE-2023-52450\nhttps://lore.kernel.org/linux-cve-announce/2024022256-CVE-2023-52450-48ba@gregkh/T/#u"], "threat_severity": "Moderate"}