{"api_version":"1","generated_at":"2026-06-04T01:00:44+00:00","cve":"CVE-2026-46269","urls":{"html":"https://cve.report/CVE-2026-46269","api":"https://cve.report/api/cve/CVE-2026-46269.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-46269","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-46269"},"summary":{"title":"pinctrl: canaan: k230: Fix NULL pointer dereference when parsing devicetree","description":"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.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-06-03 18:16:28","updated_at":"2026-06-03 18:16:28"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/1d0d361f4dbc2bb2003594f84e4b101fc6b508c0","name":"https://git.kernel.org/stable/c/1d0d361f4dbc2bb2003594f84e4b101fc6b508c0","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/d8c128fb6c2277d95f3f6a4ce28b82c8370031f6","name":"https://git.kernel.org/stable/c/d8c128fb6c2277d95f3f6a4ce28b82c8370031f6","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/3c7d637bfc3dfbd6471c68bd767f7eb8b5b09eba","name":"https://git.kernel.org/stable/c/3c7d637bfc3dfbd6471c68bd767f7eb8b5b09eba","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-46269","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-46269","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected d94a32ac688f953dc9a9f12b5b4139ecad841bbb 3c7d637bfc3dfbd6471c68bd767f7eb8b5b09eba git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected d94a32ac688f953dc9a9f12b5b4139ecad841bbb 1d0d361f4dbc2bb2003594f84e4b101fc6b508c0 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected d94a32ac688f953dc9a9f12b5b4139ecad841bbb d8c128fb6c2277d95f3f6a4ce28b82c8370031f6 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 02c1deb1bff2b6d242e29a51e56107495979a2b8 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 0ec03251d01494ef207089b5bd626becfd05fd86 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 6.15.10 6.16 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 6.16.1 6.17 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 6.17","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.17 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.18.14 6.18.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.19.4 6.19.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.0 * original_commit_for_fix","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"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"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.14","versionStartIncluding":"6.17","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.19.4","versionStartIncluding":"6.17","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.0","versionStartIncluding":"6.17","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","vulnerable":true}],"negate":false,"operator":"OR"}]}],"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."}],"providerMetadata":{"dateUpdated":"2026-06-03T15:50:11.254Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"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"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-46269","datePublished":"2026-06-03T15:50:11.254Z","dateReserved":"2026-05-13T15:03:33.109Z","dateUpdated":"2026-06-03T15:50:11.254Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-06-03 18:16:28","lastModifiedDate":"2026-06-03 18:16:28","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"46269","Ordinal":"1","Title":"pinctrl: canaan: k230: Fix NULL pointer dereference when parsing","CVE":"CVE-2026-46269","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"46269","Ordinal":"1","NoteData":"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.","Type":"Description","Title":"pinctrl: canaan: k230: Fix NULL pointer dereference when parsing"}]}}}