{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-53344", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-06-09T07:44:35.399Z", "datePublished": "2026-07-01T13:32:24.546Z", "dateUpdated": "2026-07-01T13:32:24.546Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-07-01T13:32:24.546Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\npinctrl: mcp23s08: Initialize mcp->dev and mcp->addr before regmap init\n\nRegmap initialization triggers regcache_maple_populate() which attempts\nSPI read to populate cache. SPI read requires mcp->dev and mcp->addr to\nbe set, without them, NULL pointer dereference occurs during probe.\n\nMove initialization before mcp23s08_spi_regmap_init() call."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/pinctrl/pinctrl-mcp23s08_spi.c"], "versions": [{"version": "f9f4fda15e720686f1b2b436591ab11255e4e85e", "lessThan": "3a13bb9540dfd7014c5601608afcbbadbbcfd673", "status": "affected", "versionType": "git"}, {"version": "f9f4fda15e720686f1b2b436591ab11255e4e85e", "lessThan": "8473c3a197b57ff01396f7a2ec6ddf65383820d4", "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/pinctrl/pinctrl-mcp23s08_spi.c"], "versions": [{"version": "6.19", "status": "affected"}, {"version": "0", "lessThan": "6.19", "status": "unaffected", "versionType": "semver"}, {"version": "7.0.13", "lessThanOrEqual": "7.0.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.1", "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": "6.19", "versionEndExcluding": "7.0.13"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.19", "versionEndExcluding": "7.1"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/3a13bb9540dfd7014c5601608afcbbadbbcfd673"}, {"url": "https://git.kernel.org/stable/c/8473c3a197b57ff01396f7a2ec6ddf65383820d4"}], "title": "pinctrl: mcp23s08: Initialize mcp->dev and mcp->addr before regmap init", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{}

{}

{}