185 lines
9.1 KiB
JSON
185 lines
9.1 KiB
JSON
{
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"dataType": "CVE_RECORD",
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"dataVersion": "5.2",
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"cveMetadata": {
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"cveId": "CVE-2025-71067",
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"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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"state": "PUBLISHED",
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"assignerShortName": "Linux",
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"dateReserved": "2026-01-13T15:30:19.647Z",
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"datePublished": "2026-01-13T15:31:22.585Z",
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"dateUpdated": "2026-05-11T21:54:05.851Z"
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},
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"containers": {
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"cna": {
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"providerMetadata": {
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"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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"shortName": "Linux",
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"dateUpdated": "2026-05-11T21:54:05.851Z"
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},
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"descriptions": [
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{
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"lang": "en",
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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nntfs: set dummy blocksize to read boot_block when mounting\n\nWhen mounting, sb->s_blocksize is used to read the boot_block without\nbeing defined or validated. Set a dummy blocksize before attempting to\nread the boot_block.\n\nThe issue can be triggered with the following syz reproducer:\n\n mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./file1\\x00', 0x0)\n r4 = openat$nullb(0xffffffffffffff9c, &(0x7f0000000040), 0x121403, 0x0)\n ioctl$FS_IOC_SETFLAGS(r4, 0x40081271, &(0x7f0000000980)=0x4000)\n mount(&(0x7f0000000140)=@nullb, &(0x7f0000000040)='./cgroup\\x00',\n &(0x7f0000000000)='ntfs3\\x00', 0x2208004, 0x0)\n syz_clone(0x88200200, 0x0, 0x0, 0x0, 0x0, 0x0)\n\nHere, the ioctl sets the bdev block size to 16384. During mount,\nget_tree_bdev_flags() calls sb_set_blocksize(sb, block_size(bdev)),\nbut since block_size(bdev) > PAGE_SIZE, sb_set_blocksize() leaves\nsb->s_blocksize at zero.\n\nLater, ntfs_init_from_boot() attempts to read the boot_block while\nsb->s_blocksize is still zero, which triggers the bug.\n\n[almaz.alexandrovich@paragon-software.com: changed comment style, added\nreturn value handling]"
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}
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],
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"affected": [
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{
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"product": "Linux",
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"vendor": "Linux",
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"defaultStatus": "unaffected",
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"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
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"programFiles": [
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"fs/ntfs3/super.c"
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],
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"versions": [
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{
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"version": "28861e3bbd9e7ac4cd9c811aad71b4d116e27930",
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"lessThan": "0c9327c8abf9c8f046e45008bb43d94d8ee5c6c5",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "28861e3bbd9e7ac4cd9c811aad71b4d116e27930",
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"lessThan": "44a38eb4f7876513db5a1bccde74de9bc4389d43",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "28861e3bbd9e7ac4cd9c811aad71b4d116e27930",
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"lessThan": "4fff9a625da958a33191c8553a03283786f9f417",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "28861e3bbd9e7ac4cd9c811aad71b4d116e27930",
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"lessThan": "b3c151fe8f543f1a0b8b5df16ce5d97afa5ec85a",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "28861e3bbd9e7ac4cd9c811aad71b4d116e27930",
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"lessThan": "d1693a7d5a38acf6424235a6070bcf5b186a360d",
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"status": "affected",
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"versionType": "git"
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}
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]
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},
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{
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"product": "Linux",
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"vendor": "Linux",
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"defaultStatus": "affected",
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"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
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"programFiles": [
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"fs/ntfs3/super.c"
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],
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"versions": [
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{
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"version": "5.15",
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"status": "affected"
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},
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{
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"version": "0",
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"lessThan": "5.15",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "6.1.167",
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"lessThanOrEqual": "6.1.*",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "6.6.120",
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"lessThanOrEqual": "6.6.*",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "6.12.64",
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"lessThanOrEqual": "6.12.*",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "6.18.3",
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"lessThanOrEqual": "6.18.*",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "6.19",
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"lessThanOrEqual": "*",
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"status": "unaffected",
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"versionType": "original_commit_for_fix"
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}
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]
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}
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],
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"cpeApplicability": [
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{
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"nodes": [
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{
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"operator": "OR",
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"negate": false,
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"cpeMatch": [
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "5.15",
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"versionEndExcluding": "6.1.167"
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},
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "5.15",
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"versionEndExcluding": "6.6.120"
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},
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "5.15",
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"versionEndExcluding": "6.12.64"
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},
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "5.15",
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"versionEndExcluding": "6.18.3"
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},
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "5.15",
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"versionEndExcluding": "6.19"
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}
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]
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}
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]
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}
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],
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"references": [
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{
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"url": "https://git.kernel.org/stable/c/0c9327c8abf9c8f046e45008bb43d94d8ee5c6c5"
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},
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{
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"url": "https://git.kernel.org/stable/c/44a38eb4f7876513db5a1bccde74de9bc4389d43"
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},
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{
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"url": "https://git.kernel.org/stable/c/4fff9a625da958a33191c8553a03283786f9f417"
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},
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{
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"url": "https://git.kernel.org/stable/c/b3c151fe8f543f1a0b8b5df16ce5d97afa5ec85a"
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},
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{
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"url": "https://git.kernel.org/stable/c/d1693a7d5a38acf6424235a6070bcf5b186a360d"
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}
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],
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"title": "ntfs: set dummy blocksize to read boot_block when mounting",
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"x_generator": {
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"engine": "bippy-1.2.0"
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}
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}
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}
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} |