{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2025-39846", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-04-16T07:20:57.141Z", "datePublished": "2025-09-19T15:26:19.932Z", "dateUpdated": "2026-05-12T12:07:34.761Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-11T21:37:34.522Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\npcmcia: Fix a NULL pointer dereference in __iodyn_find_io_region()\n\nIn __iodyn_find_io_region(), pcmcia_make_resource() is assigned to\nres and used in pci_bus_alloc_resource(). There is a dereference of res\nin pci_bus_alloc_resource(), which could lead to a NULL pointer\ndereference on failure of pcmcia_make_resource().\n\nFix this bug by adding a check of res."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/pcmcia/rsrc_iodyn.c"], "versions": [{"version": "49b1153adfe18a3cce7e70aa26c690f275917cd0", "lessThan": "b990c8c6ff50649ad3352507398e443b1e3527b2", "status": "affected", "versionType": "git"}, {"version": "49b1153adfe18a3cce7e70aa26c690f275917cd0", "lessThan": "5ff2826c998370bf7f9ae26fe802140d220e3510", "status": "affected", "versionType": "git"}, {"version": "49b1153adfe18a3cce7e70aa26c690f275917cd0", "lessThan": "4bd570f494124608a0696da070f00236a96fb610", "status": "affected", "versionType": "git"}, {"version": "49b1153adfe18a3cce7e70aa26c690f275917cd0", "lessThan": "ce3b7766276894d2fbb07e2047a171f9deb965de", "status": "affected", "versionType": "git"}, {"version": "49b1153adfe18a3cce7e70aa26c690f275917cd0", "lessThan": "2ee32c4c4f636e474cd8ab7c19a68cf36072ea93", "status": "affected", "versionType": "git"}, {"version": "49b1153adfe18a3cce7e70aa26c690f275917cd0", "lessThan": "fafa7450075f41d232bc785a4ebcbf16374f2076", "status": "affected", "versionType": "git"}, {"version": "49b1153adfe18a3cce7e70aa26c690f275917cd0", "lessThan": "d7286005e8fde0a430dc180a9f46c088c7d74483", "status": "affected", "versionType": "git"}, {"version": "49b1153adfe18a3cce7e70aa26c690f275917cd0", "lessThan": "44822df89e8f3386871d9cad563ece8e2fd8f0e7", "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/pcmcia/rsrc_iodyn.c"], "versions": [{"version": "2.6.35", "status": "affected"}, {"version": "0", "lessThan": "2.6.35", "status": "unaffected", "versionType": "semver"}, {"version": "5.4.299", "lessThanOrEqual": "5.4.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.10.243", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.192", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.151", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.105", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.46", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.16.6", "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": "2.6.35", "versionEndExcluding": "5.4.299"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.35", "versionEndExcluding": "5.10.243"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.35", "versionEndExcluding": "5.15.192"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.35", "versionEndExcluding": "6.1.151"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.35", "versionEndExcluding": "6.6.105"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.35", "versionEndExcluding": "6.12.46"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.35", "versionEndExcluding": "6.16.6"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.35", "versionEndExcluding": "6.17"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/b990c8c6ff50649ad3352507398e443b1e3527b2"}, {"url": "https://git.kernel.org/stable/c/5ff2826c998370bf7f9ae26fe802140d220e3510"}, {"url": "https://git.kernel.org/stable/c/4bd570f494124608a0696da070f00236a96fb610"}, {"url": "https://git.kernel.org/stable/c/ce3b7766276894d2fbb07e2047a171f9deb965de"}, {"url": "https://git.kernel.org/stable/c/2ee32c4c4f636e474cd8ab7c19a68cf36072ea93"}, {"url": "https://git.kernel.org/stable/c/fafa7450075f41d232bc785a4ebcbf16374f2076"}, {"url": "https://git.kernel.org/stable/c/d7286005e8fde0a430dc180a9f46c088c7d74483"}, {"url": "https://git.kernel.org/stable/c/44822df89e8f3386871d9cad563ece8e2fd8f0e7"}], "title": "pcmcia: Fix a NULL pointer dereference in __iodyn_find_io_region()", "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"}, {"url": "https://lists.debian.org/debian-lts-announce/2025/10/msg00007.html"}], "providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2025-11-03T17:44:02.991Z"}}, {"x_adpType": "supplier", "providerMetadata": {"orgId": "0b142b55-0307-4c5a-b3c9-f314f3fb7c5e", "shortName": "siemens-SADP", "dateUpdated": "2026-05-12T12:07:34.761Z"}, "affected": [{"vendor": "Siemens", "product": "RUGGEDCOM RST2428P", "versions": [{"status": "affected", "version": "0", "lessThan": "V3.3", "versionType": "custom"}], "defaultStatus": "unknown"}, {"vendor": "Siemens", "product": "SCALANCE XC-300/XR-300/XC-400/XR-500WG/XR-500 family", "versions": [{"status": "affected", "version": "0", "lessThan": "V3.3", "versionType": "custom"}], "defaultStatus": "unknown"}, {"vendor": "Siemens", "product": "SCALANCE XCH328", "versions": [{"status": "affected", "version": "0", "lessThan": "V3.3", "versionType": "custom"}], "defaultStatus": "unknown"}, {"vendor": "Siemens", "product": "SCALANCE XCM324", "versions": [{"status": "affected", "version": "0", "lessThan": "V3.3", "versionType": "custom"}], "defaultStatus": "unknown"}, {"vendor": "Siemens", "product": "SCALANCE XCM328", "versions": [{"status": "affected", "version": "0", "lessThan": "V3.3", "versionType": "custom"}], "defaultStatus": "unknown"}, {"vendor": "Siemens", "product": "SCALANCE XCM332", "versions": [{"status": "affected", "version": "0", "lessThan": "V3.3", "versionType": "custom"}], "defaultStatus": "unknown"}, {"vendor": "Siemens", "product": "SCALANCE XRH334 (24 V DC, 8xFO, CC)", "versions": [{"status": "affected", "version": "0", "lessThan": "V3.3", "versionType": "custom"}], "defaultStatus": "unknown"}, {"vendor": "Siemens", "product": "SCALANCE XRM334 (230 V AC, 12xFO)", "versions": [{"status": "affected", "version": "0", "lessThan": "V3.3", "versionType": "custom"}], "defaultStatus": "unknown"}, {"vendor": "Siemens", "product": "SCALANCE XRM334 (230 V AC, 8xFO)", "versions": [{"status": "affected", "version": "0", "lessThan": "V3.3", "versionType": "custom"}], "defaultStatus": "unknown"}, {"vendor": "Siemens", "product": "SCALANCE XRM334 (230V AC, 2x10G, 24xSFP, 8xSFP+)", "versions": [{"status": "affected", "version": "0", "lessThan": "V3.3", "versionType": "custom"}], "defaultStatus": "unknown"}, {"vendor": "Siemens", "product": "SCALANCE XRM334 (24 V DC, 12xFO)", "versions": [{"status": "affected", "version": "0", "lessThan": "V3.3", "versionType": "custom"}], "defaultStatus": "unknown"}, {"vendor": "Siemens", "product": "SCALANCE XRM334 (24 V DC, 8xFO)", "versions": [{"status": "affected", "version": "0", "lessThan": "V3.3", "versionType": "custom"}], "defaultStatus": "unknown"}, {"vendor": "Siemens", "product": "SCALANCE XRM334 (24V DC, 2x10G, 24xSFP, 8xSFP+)", "versions": [{"status": "affected", "version": "0", "lessThan": "V3.3", "versionType": "custom"}], "defaultStatus": "unknown"}, {"vendor": "Siemens", "product": "SCALANCE XRM334 (2x230 V AC, 12xFO)", "versions": [{"status": "affected", "version": "0", "lessThan": "V3.3", "versionType": "custom"}], "defaultStatus": "unknown"}, {"vendor": "Siemens", "product": "SCALANCE XRM334 (2x230 V AC, 8xFO)", "versions": [{"status": "affected", "version": "0", "lessThan": "V3.3", "versionType": "custom"}], "defaultStatus": "unknown"}, {"vendor": "Siemens", "product": "SCALANCE XRM334 (2x230V AC, 2x10G, 24xSFP, 8xSFP+)", "versions": [{"status": "affected", "version": "0", "lessThan": "V3.3", "versionType": "custom"}], "defaultStatus": "unknown"}, {"vendor": "Siemens", "product": "SIMATIC CN 4100", "versions": [{"status": "affected", "version": "0", "lessThan": "V5.0", "versionType": "custom"}], "defaultStatus": "unknown"}], "references": [{"url": "https://cert-portal.siemens.com/productcert/html/ssa-089022.html"}, {"url": "https://cert-portal.siemens.com/productcert/html/ssa-032379.html"}]}]}}

{}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "B136765F-6063-4DE4-ADDA-534A9EC84F83", "versionEndExcluding": "5.4.299", "versionStartIncluding": "2.6.35", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "6DE4B49A-F1A3-4F0C-96D3-68676CE6BB4C", "versionEndExcluding": "5.10.243", "versionStartIncluding": "5.5", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "8A911BD7-361F-45C0-A4A6-33FCBA0F6117", "versionEndExcluding": "5.15.192", "versionStartIncluding": "5.11", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "BC2D0B88-F133-4143-B91D-0A439AA143C0", "versionEndExcluding": "6.1.151", "versionStartIncluding": "5.16", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "B9364B0C-6B18-422E-8254-73EF0E856875", "versionEndExcluding": "6.6.105", "versionStartIncluding": "6.2", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "F7E2B332-E920-4CAC-B400-288602DB6F16", "versionEndExcluding": "6.12.46", "versionStartIncluding": "6.7", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "548F104C-0F08-438B-9C97-64C903F0C678", "versionEndExcluding": "6.16.6", "versionStartIncluding": "6.13", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.17:rc1:*:*:*:*:*:*", "matchCriteriaId": "327D22EF-390B-454C-BD31-2ED23C998A1C", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.17:rc2:*:*:*:*:*:*", "matchCriteriaId": "C730CD9A-D969-4A8E-9522-162AAF7C0EE9", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.17:rc3:*:*:*:*:*:*", "matchCriteriaId": "39982C4B-716E-4B2F-8196-FA301F47807D", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.17:rc4:*:*:*:*:*:*", "matchCriteriaId": "340BEEA9-D70D-4290-B502-FBB1032353B1", "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\npcmcia: Fix a NULL pointer dereference in __iodyn_find_io_region()\n\nIn __iodyn_find_io_region(), pcmcia_make_resource() is assigned to\nres and used in pci_bus_alloc_resource(). There is a dereference of res\nin pci_bus_alloc_resource(), which could lead to a NULL pointer\ndereference on failure of pcmcia_make_resource().\n\nFix this bug by adding a check of res."}], "id": "CVE-2025-39846", "lastModified": "2026-05-12T13:17:15.750", "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": "2025-09-19T16:15:43.397", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/2ee32c4c4f636e474cd8ab7c19a68cf36072ea93"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/44822df89e8f3386871d9cad563ece8e2fd8f0e7"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/4bd570f494124608a0696da070f00236a96fb610"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/5ff2826c998370bf7f9ae26fe802140d220e3510"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/b990c8c6ff50649ad3352507398e443b1e3527b2"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/ce3b7766276894d2fbb07e2047a171f9deb965de"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/d7286005e8fde0a430dc180a9f46c088c7d74483"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/fafa7450075f41d232bc785a4ebcbf16374f2076"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Third Party Advisory"], "url": "https://lists.debian.org/debian-lts-announce/2025/10/msg00007.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Third Party Advisory"], "url": "https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html"}, {"source": "0b142b55-0307-4c5a-b3c9-f314f3fb7c5e", "url": "https://cert-portal.siemens.com/productcert/html/ssa-032379.html"}, {"source": "0b142b55-0307-4c5a-b3c9-f314f3fb7c5e", "url": "https://cert-portal.siemens.com/productcert/html/ssa-089022.html"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-476"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: pcmcia: Fix a NULL pointer dereference in __iodyn_find_io_region()", "id": "2396935", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2396935"}, "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-2025-39846", "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": "2025-09-19T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2025-39846\nhttps://nvd.nist.gov/vuln/detail/CVE-2025-39846\nhttps://lore.kernel.org/linux-cve-announce/2025091903-CVE-2025-39846-0d36@gregkh/T"], "threat_severity": "Moderate"}

{"created": "2025-09-22T09:59:56.427313+00:00", "updated": "2025-09-22T10:06:18.085292+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}