248 lines
12 KiB
JSON
248 lines
12 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-2026-99036",
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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": "2026-09-25T10:25:14.387Z",
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"datePublished": "2026-10-23T12:21:49.410Z",
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"dateUpdated": "2026-10-30T12:41:09.415Z"
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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": "2026-10-30T12:41:09.415Z"
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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\ndm: fix reading free memory in do_resume\n\nWhen do_resume calls dm_table_get_mode(new_map), the call is done without\nholding any locks (it only holds a reference to the md). It may be\npossible that another concurrent ioctl on the same device will swap table\nafter dm_swap_table and before dm_table_get_mode. In this case,\ndm_table_get_mode(new_map) reads freed memory.\n\nThis race condition was triggered by syzbot.\n\nThis commit fixes the race by reading mode of the new table before\ndm_swap_table. Note that new_map is also passed to dm_ima_need_measure,\nbut this function doesn't attempt to dereference it, so this call should\nbe safe.\n\nNote that this is not a security bug because only root can trigger it and\nthe commonly used tools such as lvm or cryptsetup do not call the ioctls\nconcurrently, so that they can't trigger it acceidentally."
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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/dm-ioctl.c"
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],
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"versions": [
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{
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"version": "d58168763f74d1edbc296d7038c60efe6493fdd4",
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"lessThan": "2bc5df0cf906f36a8f59ac864139ee2b7b53d3c0",
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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": "d58168763f74d1edbc296d7038c60efe6493fdd4",
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"lessThan": "48169328021dfd59121f9a66cca919b7defcd3fa",
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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": "d58168763f74d1edbc296d7038c60efe6493fdd4",
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"lessThan": "7a272c2338f758e3b6e664ebf7488ac40f48a2a4",
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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": "d58168763f74d1edbc296d7038c60efe6493fdd4",
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"lessThan": "281f68d6cf8acb2547ebf0a849b8beae8fb0ec3c",
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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": "d58168763f74d1edbc296d7038c60efe6493fdd4",
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"lessThan": "2c96d1a8324e7736e0f8a5790ecf39d36c2c4a82",
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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": "d58168763f74d1edbc296d7038c60efe6493fdd4",
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"lessThan": "e3bf232c913b7e0103d323f15e6342d37cb1b357",
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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": "d58168763f74d1edbc296d7038c60efe6493fdd4",
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"lessThan": "301691c32b8ad023e3316d5dbb6a8cf52d47b0dc",
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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": "d58168763f74d1edbc296d7038c60efe6493fdd4",
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"lessThan": "c9417c1c5269e2bd0570fbe53e4ec03a8d31f008",
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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/dm-ioctl.c"
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],
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"versions": [
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{
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"version": "2.6.29",
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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": "2.6.29",
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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": "5.10.273",
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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": "5.15.224",
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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": "6.1.191",
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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": "6.6.160",
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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": "6.12.113",
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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": "6.18.57",
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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": "7.2.11",
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"lessThanOrEqual": "7.2.*",
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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": "7.3",
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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": "2.6.29",
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"versionEndExcluding": "5.10.273"
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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": "2.6.29",
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"versionEndExcluding": "5.15.224"
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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": "2.6.29",
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"versionEndExcluding": "6.1.191"
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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": "2.6.29",
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"versionEndExcluding": "6.6.160"
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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": "2.6.29",
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"versionEndExcluding": "6.12.113"
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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": "2.6.29",
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"versionEndExcluding": "6.18.57"
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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": "2.6.29",
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"versionEndExcluding": "7.2.11"
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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": "2.6.29",
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"versionEndExcluding": "7.3"
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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/2bc5df0cf906f36a8f59ac864139ee2b7b53d3c0"
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},
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{
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"url": "https://git.kernel.org/stable/c/48169328021dfd59121f9a66cca919b7defcd3fa"
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},
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{
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"url": "https://git.kernel.org/stable/c/7a272c2338f758e3b6e664ebf7488ac40f48a2a4"
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},
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{
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"url": "https://git.kernel.org/stable/c/281f68d6cf8acb2547ebf0a849b8beae8fb0ec3c"
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},
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{
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"url": "https://git.kernel.org/stable/c/2c96d1a8324e7736e0f8a5790ecf39d36c2c4a82"
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},
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{
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"url": "https://git.kernel.org/stable/c/e3bf232c913b7e0103d323f15e6342d37cb1b357"
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},
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{
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"url": "https://git.kernel.org/stable/c/301691c32b8ad023e3316d5dbb6a8cf52d47b0dc"
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},
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{
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"url": "https://git.kernel.org/stable/c/c9417c1c5269e2bd0570fbe53e4ec03a8d31f008"
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}
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],
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"title": "dm: fix reading free memory in do_resume",
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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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} |