282 lines
15 KiB
JSON
282 lines
15 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-2026-43314",
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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": "2026-05-01T14:12:56.001Z",
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"datePublished": "2026-05-08T13:11:31.068Z",
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"dateUpdated": "2026-11-06T15:42:48.183Z"
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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": "2026-05-11T22:22:09.779Z"
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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: remove fake timeout to avoid leak request\n\nSince commit 15f73f5b3e59 (\"blk-mq: move failure injection out of\nblk_mq_complete_request\"), drivers are responsible for calling\nblk_should_fake_timeout() at appropriate code paths and opportunities.\n\nHowever, the dm driver does not implement its own timeout handler and\nrelies on the timeout handling of its slave devices.\n\nIf an io-timeout-fail error is injected to a dm device, the request\nwill be leaked and never completed, causing tasks to hang indefinitely.\n\nReproduce:\n1. prepare dm which has iscsi slave device\n2. inject io-timeout-fail to dm\n echo 1 >/sys/class/block/dm-0/io-timeout-fail\n echo 100 >/sys/kernel/debug/fail_io_timeout/probability\n echo 10 >/sys/kernel/debug/fail_io_timeout/times\n3. read/write dm\n4. iscsiadm -m node -u\n\nResult: hang task like below\n[ 862.243768] INFO: task kworker/u514:2:151 blocked for more than 122 seconds.\n[ 862.244133] Tainted: G E 6.19.0-rc1+ #51\n[ 862.244337] \"echo 0 > /proc/sys/kernel/hung_task_timeout_secs\" disables this message.\n[ 862.244718] task:kworker/u514:2 state:D stack:0 pid:151 tgid:151 ppid:2 task_flags:0x4288060 flags:0x00080000\n[ 862.245024] Workqueue: iscsi_ctrl_3:1 __iscsi_unbind_session [scsi_transport_iscsi]\n[ 862.245264] Call Trace:\n[ 862.245587] <TASK>\n[ 862.245814] __schedule+0x810/0x15c0\n[ 862.246557] schedule+0x69/0x180\n[ 862.246760] blk_mq_freeze_queue_wait+0xde/0x120\n[ 862.247688] elevator_change+0x16d/0x460\n[ 862.247893] elevator_set_none+0x87/0xf0\n[ 862.248798] blk_unregister_queue+0x12e/0x2a0\n[ 862.248995] __del_gendisk+0x231/0x7e0\n[ 862.250143] del_gendisk+0x12f/0x1d0\n[ 862.250339] sd_remove+0x85/0x130 [sd_mod]\n[ 862.250650] device_release_driver_internal+0x36d/0x530\n[ 862.250849] bus_remove_device+0x1dd/0x3f0\n[ 862.251042] device_del+0x38a/0x930\n[ 862.252095] __scsi_remove_device+0x293/0x360\n[ 862.252291] scsi_remove_target+0x486/0x760\n[ 862.252654] __iscsi_unbind_session+0x18a/0x3e0 [scsi_transport_iscsi]\n[ 862.252886] process_one_work+0x633/0xe50\n[ 862.253101] worker_thread+0x6df/0xf10\n[ 862.253647] kthread+0x36d/0x720\n[ 862.254533] ret_from_fork+0x2a6/0x470\n[ 862.255852] ret_from_fork_asm+0x1a/0x30\n[ 862.256037] </TASK>\n\nRemove the blk_should_fake_timeout() check from dm, as dm has no\nnative timeout handling and should not attempt to fake timeouts."
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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-rq.c"
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],
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"versions": [
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{
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"version": "e6ee8c0b767540f59e20da3ced282601db8aa502",
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"lessThan": "ece6720de9403260088209b0b92d45e0b49ff856",
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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": "e6ee8c0b767540f59e20da3ced282601db8aa502",
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"lessThan": "8200fca818c1e2f65bc6cb16d934ff6049302197",
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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": "e6ee8c0b767540f59e20da3ced282601db8aa502",
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"lessThan": "b307b6307f6459841312432bd4bc9519cbac97f5",
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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": "e6ee8c0b767540f59e20da3ced282601db8aa502",
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"lessThan": "4f9e7ca933a9fbf9912a384b061a00c77332cbf0",
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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": "e6ee8c0b767540f59e20da3ced282601db8aa502",
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"lessThan": "cf2d06c9fd4b6521ea5b7f73c99c64c2c6f5e224",
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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": "e6ee8c0b767540f59e20da3ced282601db8aa502",
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"lessThan": "6cdb21e0c9fdee484feba14fc9e72e9d07daf9f3",
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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": "e6ee8c0b767540f59e20da3ced282601db8aa502",
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"lessThan": "c8a23d4c995ef4227bd4de64cd3910637ee6162e",
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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": "e6ee8c0b767540f59e20da3ced282601db8aa502",
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"lessThan": "f3a9c95a15d2f4466acad5c68faeff79ca5e9f47",
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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-rq.c"
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],
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"versions": [
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{
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"version": "2.6.31",
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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": "2.6.31",
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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": "5.10.252",
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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": "5.15.202",
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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": "6.1.165",
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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": "6.6.128",
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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": "6.12.75",
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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": "6.18.16",
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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": "6.19.6",
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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",
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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": "2.6.31",
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"versionEndExcluding": "5.10.252"
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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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"versionEndExcluding": "5.15.202"
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionEndExcluding": "6.6.128"
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{
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "2.6.31",
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"versionEndExcluding": "6.12.75"
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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": "2.6.31",
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"versionEndExcluding": "6.19.6"
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},
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{
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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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/ece6720de9403260088209b0b92d45e0b49ff856"
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},
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{
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"url": "https://git.kernel.org/stable/c/8200fca818c1e2f65bc6cb16d934ff6049302197"
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},
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{
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"url": "https://git.kernel.org/stable/c/b307b6307f6459841312432bd4bc9519cbac97f5"
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},
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{
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"url": "https://git.kernel.org/stable/c/4f9e7ca933a9fbf9912a384b061a00c77332cbf0"
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},
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{
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"url": "https://git.kernel.org/stable/c/cf2d06c9fd4b6521ea5b7f73c99c64c2c6f5e224"
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},
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{
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"url": "https://git.kernel.org/stable/c/6cdb21e0c9fdee484feba14fc9e72e9d07daf9f3"
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},
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{
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"url": "https://git.kernel.org/stable/c/c8a23d4c995ef4227bd4de64cd3910637ee6162e"
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},
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{
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"url": "https://git.kernel.org/stable/c/f3a9c95a15d2f4466acad5c68faeff79ca5e9f47"
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}
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],
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"title": "dm: remove fake timeout to avoid leak request",
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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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"adp": [
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{
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"metrics": [
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{
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"other": {
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"type": "ssvc",
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"content": {
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"id": "CVE-2026-43314",
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"role": "CISA Coordinator",
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"options": [
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{
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"Exploitation": "none"
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},
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{
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"Automatable": "no"
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},
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{
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"Technical Impact": "partial"
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}
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],
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"version": "2.0.3",
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"timestamp": "2026-11-06T15:35:18.482577Z"
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}
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}
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}
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],
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"title": "CISA ADP Vulnrichment",
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"providerMetadata": {
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"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
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"shortName": "CISA-ADP",
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"dateUpdated": "2026-11-06T15:42:48.183Z"
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}
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}
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]
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}
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} |