{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-43209", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-05-01T14:12:55.993Z", "datePublished": "2026-05-06T11:28:12.965Z", "dateUpdated": "2026-05-06T11:28:12.965Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-06T11:28:12.965Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nminix: Add required sanity checking to minix_check_superblock()\n\nThe fs/minix implementation of the minix filesystem does not currently\nsupport any other value for s_log_zone_size than 0. This is also the\nonly value supported in util-linux; see mkfs.minix.c line 511. In\naddition, this patch adds some sanity checking for the other minix\nsuperblock fields, and moves the minix_blocks_needed() checks for the\nzmap and imap also to minix_check_super_block().\n\nThis also closes a related syzbot bug report."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["fs/minix/inode.c"], "versions": [{"version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "lessThan": "a051ecf5c5b0387840dc210413ed3bc7fbdaa69c", "status": "affected", "versionType": "git"}, {"version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "lessThan": "d791c544efd6b9c944b43cf7f502e5bcb02fb941", "status": "affected", "versionType": "git"}, {"version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "lessThan": "66c7c239c65341f99ae388d4d53dc9df2bcb9925", "status": "affected", "versionType": "git"}, {"version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "lessThan": "2bb588cede1c1969e49c0a2822c8cb8b346b7682", "status": "affected", "versionType": "git"}, {"version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "lessThan": "f57ccd4657c7f082dc47e5b9e18a883bb5f9118f", "status": "affected", "versionType": "git"}, {"version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "lessThan": "31fefc18096cdc5549cfa54964d90e0b3229aedc", "status": "affected", "versionType": "git"}, {"version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "lessThan": "1efc128ee4adbc23e082715425ff895449d233bc", "status": "affected", "versionType": "git"}, {"version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "lessThan": "8c97a6ddc95690a938ded44b4e3202f03f15078c", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["fs/minix/inode.c"], "versions": [{"version": "5.10.252", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.202", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.165", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.128", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.75", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.16", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.19.6", "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:*:*:*:*:*:*:*:*", "versionEndExcluding": "5.10.252"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionEndExcluding": "5.15.202"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionEndExcluding": "6.1.165"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionEndExcluding": "6.6.128"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionEndExcluding": "6.12.75"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionEndExcluding": "6.18.16"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionEndExcluding": "6.19.6"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionEndExcluding": "7.0"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/a051ecf5c5b0387840dc210413ed3bc7fbdaa69c"}, {"url": "https://git.kernel.org/stable/c/d791c544efd6b9c944b43cf7f502e5bcb02fb941"}, {"url": "https://git.kernel.org/stable/c/66c7c239c65341f99ae388d4d53dc9df2bcb9925"}, {"url": "https://git.kernel.org/stable/c/2bb588cede1c1969e49c0a2822c8cb8b346b7682"}, {"url": "https://git.kernel.org/stable/c/f57ccd4657c7f082dc47e5b9e18a883bb5f9118f"}, {"url": "https://git.kernel.org/stable/c/31fefc18096cdc5549cfa54964d90e0b3229aedc"}, {"url": "https://git.kernel.org/stable/c/1efc128ee4adbc23e082715425ff895449d233bc"}, {"url": "https://git.kernel.org/stable/c/8c97a6ddc95690a938ded44b4e3202f03f15078c"}], "title": "minix: Add required sanity checking to minix_check_superblock()", "x_generator": {"engine": "bippy-1.2.0"}}}}

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{"cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nminix: Add required sanity checking to minix_check_superblock()\n\nThe fs/minix implementation of the minix filesystem does not currently\nsupport any other value for s_log_zone_size than 0. This is also the\nonly value supported in util-linux; see mkfs.minix.c line 511. In\naddition, this patch adds some sanity checking for the other minix\nsuperblock fields, and moves the minix_blocks_needed() checks for the\nzmap and imap also to minix_check_super_block().\n\nThis also closes a related syzbot bug report."}], "id": "CVE-2026-43209", "lastModified": "2026-05-06T13:07:51.607", "metrics": {}, "published": "2026-05-06T12:16:40.283", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/1efc128ee4adbc23e082715425ff895449d233bc"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/2bb588cede1c1969e49c0a2822c8cb8b346b7682"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/31fefc18096cdc5549cfa54964d90e0b3229aedc"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/66c7c239c65341f99ae388d4d53dc9df2bcb9925"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/8c97a6ddc95690a938ded44b4e3202f03f15078c"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/a051ecf5c5b0387840dc210413ed3bc7fbdaa69c"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/d791c544efd6b9c944b43cf7f502e5bcb02fb941"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/f57ccd4657c7f082dc47e5b9e18a883bb5f9118f"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Awaiting Analysis"}

{}

{}