143 lines
6.7 KiB
JSON
143 lines
6.7 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-2025-68368",
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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": "2025-12-16T14:48:05.309Z",
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"datePublished": "2025-12-24T10:32:54.765Z",
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"dateUpdated": "2026-10-21T12:38:19.281Z"
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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": "2026-10-21T12:38:19.281Z"
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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\nmd: init bioset in mddev_init\n\nIO operations may be needed before md_run(), such as updating metadata\nafter writing sysfs. Without bioset, this triggers a NULL pointer\ndereference as below:\n\n BUG: kernel NULL pointer dereference, address: 0000000000000020\n Call Trace:\n md_update_sb+0x658/0xe00\n new_level_store+0xc5/0x120\n md_attr_store+0xc9/0x1e0\n sysfs_kf_write+0x6f/0xa0\n kernfs_fop_write_iter+0x141/0x2a0\n vfs_write+0x1fc/0x5a0\n ksys_write+0x79/0x180\n __x64_sys_write+0x1d/0x30\n x64_sys_call+0x2818/0x2880\n do_syscall_64+0xa9/0x580\n entry_SYSCALL_64_after_hwframe+0x4b/0x53\n\nReproducer\n```\n mdadm -CR /dev/md0 -l1 -n2 /dev/sd[cd]\n echo inactive > /sys/block/md0/md/array_state\n echo 10 > /sys/block/md0/md/new_level\n```\n\nmddev_init() can only be called once per mddev, no need to test if bioset\nhas been initialized anymore."
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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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"drivers/md/md.c"
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],
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"versions": [
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{
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"version": "d981ed8419303ed12351eea8541ad6cb76455fe3",
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"lessThan": "903fb4851ee8d291372d285f616c398a9c4cbbec",
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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": "d981ed8419303ed12351eea8541ad6cb76455fe3",
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"lessThan": "9d37fe37dfa0833a8768740f0575e0ffd793cb4a",
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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": "d981ed8419303ed12351eea8541ad6cb76455fe3",
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"lessThan": "381a3ce1c0ffed647c9b913e142b099c7e9d5afc",
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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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"drivers/md/md.c"
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],
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"versions": [
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{
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"version": "6.12",
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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": "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": "6.12.114",
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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": "6.18.2",
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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": "6.12",
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"versionEndExcluding": "6.12.114"
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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": "6.12",
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"versionEndExcluding": "6.18.2"
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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": "6.12",
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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/903fb4851ee8d291372d285f616c398a9c4cbbec"
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},
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{
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"url": "https://git.kernel.org/stable/c/9d37fe37dfa0833a8768740f0575e0ffd793cb4a"
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},
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{
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"url": "https://git.kernel.org/stable/c/381a3ce1c0ffed647c9b913e142b099c7e9d5afc"
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}
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],
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"title": "md: init bioset in mddev_init",
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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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} |