CVE-2026-43175

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-43175", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-05-01T14:12:55.991Z", "datePublished": "2026-05-06T11:27:49.496Z", "dateUpdated": "2026-05-11T22:19:14.361Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-11T22:19:14.361Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nclk: rs9: Reserve 8 struct clk_hw slots for for 9FGV0841\n\nThe 9FGV0841 has 8 outputs and registers 8 struct clk_hw, make sure\nthere are 8 slots for those newly registered clk_hw pointers, else\nthere is going to be out of bounds write when pointers 4..7 are set\ninto struct rs9_driver_data .clk_dif[4..7] field.\n\nSince there are other structure members past this struct clk_hw\npointer array, writing to .clk_dif[4..7] fields corrupts both\nthe struct rs9_driver_data content and data around it, sometimes\nwithout crashing the kernel. However, the kernel does surely\ncrash when the driver is unbound or during suspend.\n\nFix this, increase the struct clk_hw pointer array size to the\nmaximum output count of 9FGV0841, which is the biggest chip that\nis supported by this driver."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/clk/clk-renesas-pcie.c"], "versions": [{"version": "f0e5e1800204b82af6d3e8ef03012ab4afc22358", "lessThan": "2f926875dffe2226ea26d129e16d9092cccd03aa", "status": "affected", "versionType": "git"}, {"version": "f0e5e1800204b82af6d3e8ef03012ab4afc22358", "lessThan": "da86ca15d7389ee0b5df08e8f70c39354e6b8a4b", "status": "affected", "versionType": "git"}, {"version": "f0e5e1800204b82af6d3e8ef03012ab4afc22358", "lessThan": "82a34f344999d8029bcebf131028fa519140c7cc", "status": "affected", "versionType": "git"}, {"version": "f0e5e1800204b82af6d3e8ef03012ab4afc22358", "lessThan": "5ec820fc28d0b8a0f3890d476b1976f20e8343cc", "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/clk/clk-renesas-pcie.c"], "versions": [{"version": "6.8", "status": "affected"}, {"version": "0", "lessThan": "6.8", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.75", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.16", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.19.6", "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": "6.8", "versionEndExcluding": "6.12.75"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.8", "versionEndExcluding": "6.18.16"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.8", "versionEndExcluding": "6.19.6"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.8", "versionEndExcluding": "7.0"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/2f926875dffe2226ea26d129e16d9092cccd03aa"}, {"url": "https://git.kernel.org/stable/c/da86ca15d7389ee0b5df08e8f70c39354e6b8a4b"}, {"url": "https://git.kernel.org/stable/c/82a34f344999d8029bcebf131028fa519140c7cc"}, {"url": "https://git.kernel.org/stable/c/5ec820fc28d0b8a0f3890d476b1976f20e8343cc"}], "title": "clk: rs9: Reserve 8 struct clk_hw slots for for 9FGV0841", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["drivers/clk/clk-renesas-pcie.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "2f926875dffe2226ea26d129e16d9092cccd03aa", "status": "affected", "version": "f0e5e1800204b82af6d3e8ef03012ab4afc22358", "versionType": "git"}, {"lessThan": "da86ca15d7389ee0b5df08e8f70c39354e6b8a4b", "status": "affected", "version": "f0e5e1800204b82af6d3e8ef03012ab4afc22358", "versionType": "git"}, {"lessThan": "82a34f344999d8029bcebf131028fa519140c7cc", "status": "affected", "version": "f0e5e1800204b82af6d3e8ef03012ab4afc22358", "versionType": "git"}, {"lessThan": "5ec820fc28d0b8a0f3890d476b1976f20e8343cc", "status": "affected", "version": "f0e5e1800204b82af6d3e8ef03012ab4afc22358", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["drivers/clk/clk-renesas-pcie.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "6.8"}, {"lessThan": "6.8", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "6.12.*", "status": "unaffected", "version": "6.12.75", "versionType": "semver"}, {"lessThanOrEqual": "6.18.*", "status": "unaffected", "version": "6.18.16", "versionType": "semver"}, {"lessThanOrEqual": "6.19.*", "status": "unaffected", "version": "6.19.6", "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": "4A94C3E7-EF78-4AF2-8160-DDF77E97D5EE", "versionEndExcluding": "6.12.75", "versionStartIncluding": "6.8", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "B4B8CDA9-BADF-4CF5-8B3B-702DE8EEA40B", "versionEndExcluding": "6.18.16", "versionStartIncluding": "6.13", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "373EEEDA-FAA1-4FB4-B6ED-DB4DD99DBE67", "versionEndExcluding": "6.19.6", "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\nclk: rs9: Reserve 8 struct clk_hw slots for for 9FGV0841\n\nThe 9FGV0841 has 8 outputs and registers 8 struct clk_hw, make sure\nthere are 8 slots for those newly registered clk_hw pointers, else\nthere is going to be out of bounds write when pointers 4..7 are set\ninto struct rs9_driver_data .clk_dif[4..7] field.\n\nSince there are other structure members past this struct clk_hw\npointer array, writing to .clk_dif[4..7] fields corrupts both\nthe struct rs9_driver_data content and data around it, sometimes\nwithout crashing the kernel. However, the kernel does surely\ncrash when the driver is unbound or during suspend.\n\nFix this, increase the struct clk_hw pointer array size to the\nmaximum output count of 9FGV0841, which is the biggest chip that\nis supported by this driver."}, {"lang": "es", "value": "En el kernel de Linux, la siguiente vulnerabilidad ha sido resuelta:\n\nclk: rs9: Reservar 8 ranuras de struct clk_hw para 9FGV0841\n\nEl 9FGV0841 tiene 8 salidas y registra 8 struct clk_hw, asegurarse de que haya 8 ranuras para esos punteros clk_hw reci\u00e9n registrados, de lo contrario, habr\u00e1 una escritura fuera de l\u00edmites cuando los punteros 4..7 se establezcan en el campo .clk_dif[4..7] de struct rs9_driver_data.\n\nDado que hay otros miembros de la estructura m\u00e1s all\u00e1 de este array de punteros struct clk_hw, escribir en los campos .clk_dif[4..7] corrompe tanto el contenido de struct rs9_driver_data como los datos a su alrededor, a veces sin provocar un fallo del kernel. Sin embargo, el kernel seguramente falla cuando el controlador se desvincula o durante la suspensi\u00f3n.\n\nPara solucionar esto, aumentar el tama\u00f1o del array de punteros struct clk_hw al recuento m\u00e1ximo de salidas del 9FGV0841, que es el chip m\u00e1s grande compatible con este controlador."}], "id": "CVE-2026-43175", "lastModified": "2026-11-11T20:10:00.273", "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": "2026-05-06T12:16:35.967", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/2f926875dffe2226ea26d129e16d9092cccd03aa"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/5ec820fc28d0b8a0f3890d476b1976f20e8343cc"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/82a34f344999d8029bcebf131028fa519140c7cc"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/da86ca15d7389ee0b5df08e8f70c39354e6b8a4b"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-476"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: clk: rs9: Reserve 8 struct clk_hw slots for for 9FGV0841", "id": "2467060", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2467060"}, "csaw": false, "cwe": "CWE-788", "details": ["A flaw was found in the Linux kernel's `clk: rs9` component. An out-of-bounds write vulnerability exists due to insufficient allocation of `struct clk_hw` slots. This can lead to corruption of `struct rs9_driver_data` content and surrounding data, potentially causing a system crash, especially when the driver is unbound or during suspend operations, resulting in a Denial of Service (DoS)."], "name": "CVE-2026-43175", "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": "2026-05-06T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-43175\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-43175\nhttps://lore.kernel.org/linux-cve-announce/2026050636-CVE-2026-43175-99a1@gregkh/T"]}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[f0e5e1800204b82af6d3e8ef03012ab4afc22358,2f926875dffe2226ea26d129e16d9092cccd03aa)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[f0e5e1800204b82af6d3e8ef03012ab4afc22358,da86ca15d7389ee0b5df08e8f70c39354e6b8a4b)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[f0e5e1800204b82af6d3e8ef03012ab4afc22358,82a34f344999d8029bcebf131028fa519140c7cc)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[f0e5e1800204b82af6d3e8ef03012ab4afc22358,5ec820fc28d0b8a0f3890d476b1976f20e8343cc)"}}], "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": "generic", "value": "6.8"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[0,6.8)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.12.75,6.13.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.18.16,6.19.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.19.6,6.20.0)"}}, {"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": "2026-05-06T14:15:05.986574+00:00", "title": "Out\u2011of\u2011Bound Write in rs9 Clock Driver Leads to Kernel Crash", "updated": "2026-05-12T23:00:12.471788+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}