{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-63838", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-07-19T07:54:57.015Z", "datePublished": "2026-07-19T14:04:34.454Z", "dateUpdated": "2026-07-19T14:04:34.454Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-07-19T14:04:34.454Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nASoC: rsnd: Fix potential out-of-bounds access of component_dais[]\n\ncomponent_dais[RSND_MAX_COMPONENT] is initially zero-initialized\nand later populated in rsnd_dai_of_node(). However, the existing boundary check:\n if (i >= RSND_MAX_COMPONENT)\n\ndoes not guarantee that the last valid element remains zero. As a result,\nthe loop can rely on component_dais[RSND_MAX_COMPONENT] being zero,\nwhich may lead to an out-of-bounds access.\n\nFound by Linux Verification Center (linuxtesting.org) with SVACE."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["sound/soc/renesas/rcar/core.c"], "versions": [{"version": "547b02f74e4ac1e7d295a6266d5bc93a647cd4ac", "lessThan": "9f1daac27ca28e98c8c0e4450de42bb68d547250", "status": "affected", "versionType": "git"}, {"version": "547b02f74e4ac1e7d295a6266d5bc93a647cd4ac", "lessThan": "15e7b2ac2455995a6af02b9d3da7a432837aaf72", "status": "affected", "versionType": "git"}, {"version": "547b02f74e4ac1e7d295a6266d5bc93a647cd4ac", "lessThan": "134c61925e9e9ee0f4fdbab5c3984d5bb024f5f5", "status": "affected", "versionType": "git"}, {"version": "547b02f74e4ac1e7d295a6266d5bc93a647cd4ac", "lessThan": "a62b3e6e42359a79158c134e3cf5c74fe160c3f5", "status": "affected", "versionType": "git"}, {"version": "547b02f74e4ac1e7d295a6266d5bc93a647cd4ac", "lessThan": "f9e437cddf6cf9e603bdaefe148c1f4792aaf39c", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["sound/soc/renesas/rcar/core.c"], "versions": [{"version": "6.6", "status": "affected"}, {"version": "0", "lessThan": "6.6", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.141", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.91", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.33", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.0.10", "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": "6.6", "versionEndExcluding": "6.6.141"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.6", "versionEndExcluding": "6.12.91"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.6", "versionEndExcluding": "6.18.33"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.6", "versionEndExcluding": "7.0.10"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.6", "versionEndExcluding": "7.1"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/9f1daac27ca28e98c8c0e4450de42bb68d547250"}, {"url": "https://git.kernel.org/stable/c/15e7b2ac2455995a6af02b9d3da7a432837aaf72"}, {"url": "https://git.kernel.org/stable/c/134c61925e9e9ee0f4fdbab5c3984d5bb024f5f5"}, {"url": "https://git.kernel.org/stable/c/a62b3e6e42359a79158c134e3cf5c74fe160c3f5"}, {"url": "https://git.kernel.org/stable/c/f9e437cddf6cf9e603bdaefe148c1f4792aaf39c"}], "title": "ASoC: rsnd: Fix potential out-of-bounds access of component_dais[]", "x_generator": {"engine": "bippy-1.2.0"}}}}

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