345 lines
16 KiB
JSON
345 lines
16 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-2026-31577",
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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": "2026-03-09T15:48:24.119Z",
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"datePublished": "2026-04-24T14:42:08.879Z",
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"dateUpdated": "2026-06-14T17:42:01.611Z"
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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": "2026-06-14T17:42:01.611Z"
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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 NULL i_assoc_inode dereference in nilfs_mdt_save_to_shadow_map\n\nThe DAT inode's btree node cache (i_assoc_inode) is initialized lazily\nduring btree operations. However, nilfs_mdt_save_to_shadow_map()\nassumes i_assoc_inode is already initialized when copying dirty pages\nto the shadow map during GC.\n\nIf NILFS_IOCTL_CLEAN_SEGMENTS is called immediately after mount before\nany btree operation has occurred on the DAT inode, i_assoc_inode is\nNULL leading to a general protection fault.\n\nFix this by calling nilfs_attach_btree_node_cache() on the DAT inode\nin nilfs_dat_read() at mount time, ensuring i_assoc_inode is always\ninitialized before any GC operation can use it."
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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/dat.c"
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],
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"versions": [
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{
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"status": "affected",
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},
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{
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},
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{
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"version": "605babb979c213737618b1c837e89624e5ab11fd",
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},
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{
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"version": "307d021b1a7f33048b624f7aaeaa75e3eae571f1",
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},
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{
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"version": "1829b24a36ca12ca95b96d5478faeff40c17f2b6",
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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": "5.10.118",
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"lessThan": "5.10.258",
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"status": "affected",
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"versionType": "semver"
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},
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{
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"version": "5.15.42",
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"lessThan": "5.15.209",
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"status": "affected",
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"versionType": "semver"
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},
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{
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"version": "4.14.296",
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"lessThan": "4.15",
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"status": "affected",
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},
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{
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"version": "4.19.245",
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"lessThan": "4.20",
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"status": "affected",
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},
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{
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"version": "5.4.196",
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"lessThan": "5.5",
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"status": "affected",
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},
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{
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"version": "5.17.10",
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"lessThan": "5.18",
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"status": "affected",
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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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"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
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"fs/nilfs2/dat.c"
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],
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{
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"version": "5.18",
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{
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"version": "0",
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},
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{
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"version": "5.10.258",
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"lessThanOrEqual": "5.10.*",
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"status": "unaffected",
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},
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{
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"version": "5.15.209",
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"lessThanOrEqual": "5.15.*",
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},
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{
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"version": "6.1.175",
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"lessThanOrEqual": "6.1.*",
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"status": "unaffected",
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},
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{
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"version": "6.6.136",
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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": "6.12.83",
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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": "6.18.24",
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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": "6.19.14",
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"lessThanOrEqual": "6.19.*",
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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": "7.0.1",
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"lessThanOrEqual": "7.0.*",
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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": "7.1",
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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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"references": [
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{
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"url": "https://git.kernel.org/stable/c/6637bbcfb59df5b732a79e5ab1a74886a0b93d59"
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},
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{
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"url": "https://git.kernel.org/stable/c/837c7a59fb58f81b0db33848357f6a5d0d1250ad"
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},
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{
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"url": "https://git.kernel.org/stable/c/7902b1df1520a0880bcda7a3704cfacd17905a83"
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},
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{
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"url": "https://git.kernel.org/stable/c/7318e3549518ce8f14776a489d86488d80d7e2c8"
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},
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{
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"url": "https://git.kernel.org/stable/c/449ec5fc99f45974525ba9eea16b6670c45cd363"
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},
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{
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"url": "https://git.kernel.org/stable/c/c36e206f302f1ddefed92d09ecbba070e1ae079e"
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},
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{
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"url": "https://git.kernel.org/stable/c/41de342278ae025c99cc8d33648773f05e306cf1"
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},
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{
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"url": "https://git.kernel.org/stable/c/97fb7afec404912d967a7d4715f37742666b3084"
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},
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{
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"url": "https://git.kernel.org/stable/c/4a4e0328edd9e9755843787d28f16dd4165f8b48"
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}
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],
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"title": "nilfs2: fix NULL i_assoc_inode dereference in nilfs_mdt_save_to_shadow_map",
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"x_generator": {
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"engine": "bippy-1.2.0"
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} |