{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2023-53269", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-09-16T08:05:12.515Z", "datePublished": "2025-09-16T08:06:58.983Z", "dateUpdated": "2025-09-16T08:06:58.983Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2025-09-16T08:06:58.983Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nblock: ublk: make sure that block size is set correctly\n\nblock size is one very key setting for block layer, and bad block size\ncould panic kernel easily.\n\nMake sure that block size is set correctly.\n\nMeantime if ublk_validate_params() fails, clear ub->params so that disk\nis prevented from being added."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/block/ublk_drv.c"], "versions": [{"version": "71f28f3136aff5890cd56de78abc673f8393cad9", "lessThan": "231a49460ac0203270da2471928d392e5586370f", "status": "affected", "versionType": "git"}, {"version": "71f28f3136aff5890cd56de78abc673f8393cad9", "lessThan": "9dbe85ac618ef6ae60abe5dd17ae2b29065d9c1e", "status": "affected", "versionType": "git"}, {"version": "71f28f3136aff5890cd56de78abc673f8393cad9", "lessThan": "1d1665279a845d16c93687389e364386e3fe0f38", "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/block/ublk_drv.c"], "versions": [{"version": "6.0", "status": "affected"}, {"version": "0", "lessThan": "6.0", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.24", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.2.11", "lessThanOrEqual": "6.2.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.3", "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": "6.0", "versionEndExcluding": "6.1.24"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.0", "versionEndExcluding": "6.2.11"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.0", "versionEndExcluding": "6.3"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/231a49460ac0203270da2471928d392e5586370f"}, {"url": "https://git.kernel.org/stable/c/9dbe85ac618ef6ae60abe5dd17ae2b29065d9c1e"}, {"url": "https://git.kernel.org/stable/c/1d1665279a845d16c93687389e364386e3fe0f38"}], "title": "block: ublk: make sure that block size is set correctly", "x_generator": {"engine": "bippy-1.2.0"}}}}

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