185 lines
8.6 KiB
JSON
185 lines
8.6 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-2022-50864",
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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": "2025-12-30T12:06:07.135Z",
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"datePublished": "2025-12-30T12:15:36.489Z",
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"dateUpdated": "2026-05-11T19:26:35.896Z"
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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": "2026-05-11T19:26:35.896Z"
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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\nnilfs2: fix shift-out-of-bounds due to too large exponent of block size\n\nIf field s_log_block_size of superblock data is corrupted and too large,\ninit_nilfs() and load_nilfs() still can trigger a shift-out-of-bounds\nwarning followed by a kernel panic (if panic_on_warn is set):\n\n shift exponent 38973 is too large for 32-bit type 'int'\n Call Trace:\n <TASK>\n dump_stack_lvl+0xcd/0x134\n ubsan_epilogue+0xb/0x50\n __ubsan_handle_shift_out_of_bounds.cold.12+0x17b/0x1f5\n init_nilfs.cold.11+0x18/0x1d [nilfs2]\n nilfs_mount+0x9b5/0x12b0 [nilfs2]\n ...\n\nThis fixes the issue by adding and using a new helper function for getting\nblock size with sanity check."
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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/nilfs2/the_nilfs.c"
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],
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"versions": [
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"version": "8a9d2191e9f43bbcd256a9a6871bd73434c83f2f",
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"lessThan": "ec93b5430ec0f60877a5388bb023d60624f9ab9f",
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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": "8a9d2191e9f43bbcd256a9a6871bd73434c83f2f",
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"lessThan": "8b6ef451b5701b37d9a5905534595776a662edfc",
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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": "8a9d2191e9f43bbcd256a9a6871bd73434c83f2f",
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"lessThan": "ddb6615a168f97b91175e00eda4c644741cf531c",
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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": "8a9d2191e9f43bbcd256a9a6871bd73434c83f2f",
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"lessThan": "a16731fa1b96226c75bbf18e73513b14fc318360",
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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": "8a9d2191e9f43bbcd256a9a6871bd73434c83f2f",
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"lessThan": "ebeccaaef67a4895d2496ab8d9c2fb8d89201211",
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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/nilfs2/the_nilfs.c"
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],
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"versions": [
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{
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"version": "2.6.30",
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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": "2.6.30",
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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": "5.10.163",
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"lessThanOrEqual": "5.10.*",
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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": "5.15.86",
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"lessThanOrEqual": "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": "6.0.16",
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"lessThanOrEqual": "6.0.*",
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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": "6.1.2",
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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": "6.2",
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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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"operator": "OR",
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"negate": false,
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"cpeMatch": [
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "2.6.30",
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"versionEndExcluding": "5.10.163"
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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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{
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "2.6.30",
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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/ec93b5430ec0f60877a5388bb023d60624f9ab9f"
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},
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{
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"url": "https://git.kernel.org/stable/c/8b6ef451b5701b37d9a5905534595776a662edfc"
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},
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{
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"url": "https://git.kernel.org/stable/c/ddb6615a168f97b91175e00eda4c644741cf531c"
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},
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{
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"url": "https://git.kernel.org/stable/c/a16731fa1b96226c75bbf18e73513b14fc318360"
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},
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{
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"url": "https://git.kernel.org/stable/c/ebeccaaef67a4895d2496ab8d9c2fb8d89201211"
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}
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],
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"title": "nilfs2: fix shift-out-of-bounds due to too large exponent of block size",
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