CVE-2026-46269

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-46269", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-05-13T15:03:33.109Z", "datePublished": "2026-06-03T15:50:11.254Z", "dateUpdated": "2026-06-03T15:50:11.254Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-06-03T15:50:11.254Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\npinctrl: canaan: k230: Fix NULL pointer dereference when parsing devicetree\n\nWhen probing the k230 pinctrl driver, the kernel triggers a NULL pointer\ndereference. The crash trace showed:\n[ 0.732084] Unable to handle kernel NULL pointer dereference at virtual address 0000000000000068\n[ 0.740737] ...\n[ 0.776296] epc : k230_pinctrl_probe+0x1be/0x4fc\n\nIn k230_pinctrl_parse_functions(), we attempt to retrieve the device\npointer via info->pctl_dev->dev, but info->pctl_dev is only initialized\nafter k230_pinctrl_parse_dt() completes.\n\nAt the time of DT parsing, info->pctl_dev is still NULL, leading to\nthe invalid dereference of info->pctl_dev->dev.\n\nUse the already available device pointer from platform_device\ninstead of accessing through uninitialized pctl_dev."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/pinctrl/pinctrl-k230.c"], "versions": [{"version": "d94a32ac688f953dc9a9f12b5b4139ecad841bbb", "lessThan": "3c7d637bfc3dfbd6471c68bd767f7eb8b5b09eba", "status": "affected", "versionType": "git"}, {"version": "d94a32ac688f953dc9a9f12b5b4139ecad841bbb", "lessThan": "1d0d361f4dbc2bb2003594f84e4b101fc6b508c0", "status": "affected", "versionType": "git"}, {"version": "d94a32ac688f953dc9a9f12b5b4139ecad841bbb", "lessThan": "d8c128fb6c2277d95f3f6a4ce28b82c8370031f6", "status": "affected", "versionType": "git"}, {"version": "02c1deb1bff2b6d242e29a51e56107495979a2b8", "status": "affected", "versionType": "git"}, {"version": "0ec03251d01494ef207089b5bd626becfd05fd86", "status": "affected", "versionType": "git"}, {"version": "6.15.10", "lessThan": "6.16", "status": "affected", "versionType": "semver"}, {"version": "6.16.1", "lessThan": "6.17", "status": "affected", "versionType": "semver"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/pinctrl/pinctrl-k230.c"], "versions": [{"version": "6.17", "status": "affected"}, {"version": "0", "lessThan": "6.17", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.14", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.19.4", "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": "6.17", "versionEndExcluding": "6.18.14"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.17", "versionEndExcluding": "6.19.4"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.17", "versionEndExcluding": "7.0"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.15.10"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.16.1"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/3c7d637bfc3dfbd6471c68bd767f7eb8b5b09eba"}, {"url": "https://git.kernel.org/stable/c/1d0d361f4dbc2bb2003594f84e4b101fc6b508c0"}, {"url": "https://git.kernel.org/stable/c/d8c128fb6c2277d95f3f6a4ce28b82c8370031f6"}], "title": "pinctrl: canaan: k230: Fix NULL pointer dereference when parsing devicetree", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["drivers/pinctrl/pinctrl-k230.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "3c7d637bfc3dfbd6471c68bd767f7eb8b5b09eba", "status": "affected", "version": "d94a32ac688f953dc9a9f12b5b4139ecad841bbb", "versionType": "git"}, {"lessThan": "1d0d361f4dbc2bb2003594f84e4b101fc6b508c0", "status": "affected", "version": "d94a32ac688f953dc9a9f12b5b4139ecad841bbb", "versionType": "git"}, {"lessThan": "d8c128fb6c2277d95f3f6a4ce28b82c8370031f6", "status": "affected", "version": "d94a32ac688f953dc9a9f12b5b4139ecad841bbb", "versionType": "git"}, {"status": "affected", "version": "02c1deb1bff2b6d242e29a51e56107495979a2b8", "versionType": "git"}, {"status": "affected", "version": "0ec03251d01494ef207089b5bd626becfd05fd86", "versionType": "git"}, {"lessThan": "6.16", "status": "affected", "version": "6.15.10", "versionType": "semver"}, {"lessThan": "6.17", "status": "affected", "version": "6.16.1", "versionType": "semver"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["drivers/pinctrl/pinctrl-k230.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "6.17"}, {"lessThan": "6.17", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "6.18.*", "status": "unaffected", "version": "6.18.14", "versionType": "semver"}, {"lessThanOrEqual": "6.19.*", "status": "unaffected", "version": "6.19.4", "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": "8E12C24E-0833-48D3-9A8D-574823A693F0", "versionEndExcluding": "6.16", "versionStartIncluding": "6.15.10", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "3767EE4D-F3A5-47B1-BBC2-25E6FCBA9F17", "versionEndExcluding": "6.18.14", "versionStartIncluding": "6.16.1", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "672A3E79-EC03-479D-8503-361DFBDC8092", "versionEndExcluding": "6.19.4", "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\npinctrl: canaan: k230: Fix NULL pointer dereference when parsing devicetree\n\nWhen probing the k230 pinctrl driver, the kernel triggers a NULL pointer\ndereference. The crash trace showed:\n[ 0.732084] Unable to handle kernel NULL pointer dereference at virtual address 0000000000000068\n[ 0.740737] ...\n[ 0.776296] epc : k230_pinctrl_probe+0x1be/0x4fc\n\nIn k230_pinctrl_parse_functions(), we attempt to retrieve the device\npointer via info->pctl_dev->dev, but info->pctl_dev is only initialized\nafter k230_pinctrl_parse_dt() completes.\n\nAt the time of DT parsing, info->pctl_dev is still NULL, leading to\nthe invalid dereference of info->pctl_dev->dev.\n\nUse the already available device pointer from platform_device\ninstead of accessing through uninitialized pctl_dev."}, {"lang": "es", "value": "En el kernel de Linux, la siguiente vulnerabilidad ha sido resuelta:\n\npinctrl: canaan: k230: Correcci\u00f3n de desreferencia de puntero NULL al analizar el devicetree\n\nAl sondear el controlador pinctrl k230, el kernel activa una desreferencia de puntero NULL. El rastro del fallo mostr\u00f3:\n[ 0.732084] No se puede manejar la desreferencia de puntero NULL del kernel en la direcci\u00f3n virtual 0000000000000068\n[ 0.740737] ...\n[ 0.776296] epc : k230_pinctrl_probe+0x1be/0x4fc\n\nEn k230_pinctrl_parse_functions(), intentamos recuperar el puntero del dispositivo a trav\u00e9s de info->pctl_dev->dev, pero info->pctl_dev solo se inicializa despu\u00e9s de que k230_pinctrl_parse_dt() se complete.\n\nEn el momento del an\u00e1lisis de DT, info->pctl_dev sigue siendo NULL, lo que lleva a la desreferencia inv\u00e1lida de info->pctl_dev->dev.\n\nUtilizar el puntero del dispositivo ya disponible de platform_device en lugar de acceder a trav\u00e9s de un pctl_dev no inicializado."}], "id": "CVE-2026-46269", "lastModified": "2026-07-22T20:10:00.127", "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": "2026-06-03T18:16:28.593", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/1d0d361f4dbc2bb2003594f84e4b101fc6b508c0"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/3c7d637bfc3dfbd6471c68bd767f7eb8b5b09eba"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/d8c128fb6c2277d95f3f6a4ce28b82c8370031f6"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-476"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: pinctrl: canaan: k230: Fix NULL pointer dereference when parsing devicetree", "id": "2484454", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2484454"}, "csaw": false, "cwe": "CWE-824", "details": ["A flaw was found in the Linux kernel's k230 pinctrl driver. During the probing process, a NULL pointer dereference can occur when parsing the devicetree. This vulnerability allows a local attacker to trigger a system crash, leading to a Denial of Service (DoS). The issue arises from attempting to access an uninitialized device pointer."], "name": "CVE-2026-46269", "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": "2026-06-03T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-46269\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-46269\nhttps://lore.kernel.org/linux-cve-announce/2026060338-CVE-2026-46269-3ec0@gregkh/T"]}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[d94a32ac688f953dc9a9f12b5b4139ecad841bbb,3c7d637bfc3dfbd6471c68bd767f7eb8b5b09eba)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[d94a32ac688f953dc9a9f12b5b4139ecad841bbb,1d0d361f4dbc2bb2003594f84e4b101fc6b508c0)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[d94a32ac688f953dc9a9f12b5b4139ecad841bbb,d8c128fb6c2277d95f3f6a4ce28b82c8370031f6)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "02c1deb1bff2b6d242e29a51e56107495979a2b8"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "0ec03251d01494ef207089b5bd626becfd05fd86"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[6.15.10,6.16)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[6.16.1,6.17)"}}], "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": "semver", "value": "6.17"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[0,6.17)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.18.14,6.19.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.19.4,6.20.0)"}}, {"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": "2026-06-03T18:45:40.184784+00:00", "updated": "2026-06-09T22:30:14.744075+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}