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This occurs when a CPU becomes impossible\nduring runtime, causing get_cpu_device() to return NULL, which propagates\nthrough em_cpu_get() and leads to a crash when em_span_cpus() dereferences\nthe NULL pointer.\n\nAdd a NULL check after em_cpu_get() and return 0 if unavailable,\nmatching the existing fallback behavior in __dtpm_cpu_setup().\n\n[ rjw: Drop an excess empty code line ]"}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/powercap/dtpm_cpu.c"], "versions": [{"version": "eb82bace893169b319c563b7f813c58a0a5a9f76", "lessThan": "27914f2b795e2b58e9506f281dcdd98fef09d3c2", "status": "affected", "versionType": "git"}, {"version": "eb82bace893169b319c563b7f813c58a0a5a9f76", "lessThan": "c6ec27091cf5ac05094c1fe3a6ce914cf711a37c", "status": "affected", "versionType": "git"}, {"version": "eb82bace893169b319c563b7f813c58a0a5a9f76", "lessThan": "8374ac7d69a57d737e701a851ffe980a0d27d3ad", "status": "affected", "versionType": "git"}, {"version": "eb82bace893169b319c563b7f813c58a0a5a9f76", "lessThan": "27e0318f0ea69fcfa32228847debc384ade14578", "status": "affected", "versionType": "git"}, {"version": "eb82bace893169b319c563b7f813c58a0a5a9f76", "lessThan": "2fd001a0075ac01dc64a28a8e21226b3d989a91d", "status": "affected", "versionType": "git"}, {"version": "eb82bace893169b319c563b7f813c58a0a5a9f76", "lessThan": "46dc57406887dd02565cb264224194a6776d882b", "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/powercap/dtpm_cpu.c"], "versions": [{"version": "5.16", "status": "affected"}, {"version": "0", "lessThan": "5.16", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.148", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.102", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.42", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.15.10", "lessThanOrEqual": "6.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.16.1", "lessThanOrEqual": "6.16.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.17", "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": "5.16", "versionEndExcluding": "6.1.148"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.16", "versionEndExcluding": "6.6.102"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.16", "versionEndExcluding": "6.12.42"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.16", "versionEndExcluding": "6.15.10"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.16", "versionEndExcluding": "6.16.1"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.16", "versionEndExcluding": "6.17"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/27914f2b795e2b58e9506f281dcdd98fef09d3c2"}, {"url": "https://git.kernel.org/stable/c/c6ec27091cf5ac05094c1fe3a6ce914cf711a37c"}, {"url": "https://git.kernel.org/stable/c/8374ac7d69a57d737e701a851ffe980a0d27d3ad"}, {"url": "https://git.kernel.org/stable/c/27e0318f0ea69fcfa32228847debc384ade14578"}, {"url": "https://git.kernel.org/stable/c/2fd001a0075ac01dc64a28a8e21226b3d989a91d"}, {"url": "https://git.kernel.org/stable/c/46dc57406887dd02565cb264224194a6776d882b"}], "title": "powercap: dtpm_cpu: Fix NULL pointer dereference in get_pd_power_uw()", "x_generator": {"engine": "bippy-1.2.0"}}, "adp": [{"title": "CVE Program Container", "references": [{"url": "https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html"}], "providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2025-11-03T17:40:23.677Z"}}]}}

{}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "3E5B1B93-C244-4B54-B3AB-12C2635A443B", "versionEndExcluding": "6.1.148", "versionStartIncluding": "5.16", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "DD6EDB96-08AC-49D8-A1A9-4D2140C49BC7", "versionEndExcluding": "6.6.102", "versionStartIncluding": "6.2", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "EA7AA5E6-4376-4A85-A021-6ACC5FF801C3", "versionEndExcluding": "6.12.42", "versionStartIncluding": "6.7", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "5890C690-B295-40C2-9121-FF5F987E5142", "versionEndExcluding": "6.15.10", "versionStartIncluding": "6.13", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "58182352-D7DF-4CC9-841E-03C1D852C3FB", "versionEndExcluding": "6.16.1", "versionStartIncluding": "6.16", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*", "matchCriteriaId": "FA6FEEC2-9F11-4643-8827-749718254FED", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\npowercap: dtpm_cpu: Fix NULL pointer dereference in get_pd_power_uw()\n\nThe get_pd_power_uw() function can crash with a NULL pointer dereference\nwhen em_cpu_get() returns NULL. This occurs when a CPU becomes impossible\nduring runtime, causing get_cpu_device() to return NULL, which propagates\nthrough em_cpu_get() and leads to a crash when em_span_cpus() dereferences\nthe NULL pointer.\n\nAdd a NULL check after em_cpu_get() and return 0 if unavailable,\nmatching the existing fallback behavior in __dtpm_cpu_setup().\n\n[ rjw: Drop an excess empty code line ]"}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: powercap: dtpm_cpu: Correcci\u00f3n de la desreferencia de puntero nulo en get_pd_power_uw(). La funci\u00f3n get_pd_power_uw() puede fallar con una desreferencia de puntero nulo cuando em_cpu_get() devuelve NULL. Esto ocurre cuando una CPU se vuelve inoperativa durante la ejecuci\u00f3n, lo que provoca que get_cpu_device() devuelva NULL. Este comportamiento se propaga a trav\u00e9s de em_cpu_get() y provoca un fallo cuando em_span_cpus() desreferencia el puntero nulo. Se a\u00f1ade una comprobaci\u00f3n de NULL despu\u00e9s de em_cpu_get() y se devuelve 0 si no est\u00e1 disponible, coincidiendo con el comportamiento de reserva existente en __dtpm_cpu_setup(). [rjw: Omitir una l\u00ednea de c\u00f3digo vac\u00eda sobrante]"}], "id": "CVE-2025-38610", "lastModified": "2026-01-07T18:22:17.907", "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": "2025-08-19T17:15:39.490", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/27914f2b795e2b58e9506f281dcdd98fef09d3c2"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/27e0318f0ea69fcfa32228847debc384ade14578"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/2fd001a0075ac01dc64a28a8e21226b3d989a91d"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/46dc57406887dd02565cb264224194a6776d882b"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/8374ac7d69a57d737e701a851ffe980a0d27d3ad"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/c6ec27091cf5ac05094c1fe3a6ce914cf711a37c"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-476"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: powercap: dtpm_cpu: Fix NULL pointer dereference in get_pd_power_uw()", "id": "2389485", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2389485"}, "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"}, "details": ["No description is available for this CVE."], "name": "CVE-2025-38610", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "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": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2025-08-19T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2025-38610\nhttps://nvd.nist.gov/vuln/detail/CVE-2025-38610\nhttps://lore.kernel.org/linux-cve-announce/2025081923-CVE-2025-38610-9b4f@gregkh/T"], "threat_severity": "Moderate"}

{"created": "2025-08-21T12:31:44.167006+00:00", "updated": "2025-08-21T12:31:44.167055+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}