369 lines
18 KiB
JSON
369 lines
18 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-2023-52813",
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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": "2024-05-21T15:19:24.248Z",
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"datePublished": "2024-05-21T15:31:21.604Z",
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"dateUpdated": "2026-05-11T19:33:36.420Z"
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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": "2026-05-11T19:33:36.420Z"
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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\ncrypto: pcrypt - Fix hungtask for PADATA_RESET\n\nWe found a hungtask bug in test_aead_vec_cfg as follows:\n\nINFO: task cryptomgr_test:391009 blocked for more than 120 seconds.\n\"echo 0 > /proc/sys/kernel/hung_task_timeout_secs\" disables this message.\nCall trace:\n __switch_to+0x98/0xe0\n __schedule+0x6c4/0xf40\n schedule+0xd8/0x1b4\n schedule_timeout+0x474/0x560\n wait_for_common+0x368/0x4e0\n wait_for_completion+0x20/0x30\n wait_for_completion+0x20/0x30\n test_aead_vec_cfg+0xab4/0xd50\n test_aead+0x144/0x1f0\n alg_test_aead+0xd8/0x1e0\n alg_test+0x634/0x890\n cryptomgr_test+0x40/0x70\n kthread+0x1e0/0x220\n ret_from_fork+0x10/0x18\n Kernel panic - not syncing: hung_task: blocked tasks\n\nFor padata_do_parallel, when the return err is 0 or -EBUSY, it will call\nwait_for_completion(&wait->completion) in test_aead_vec_cfg. In normal\ncase, aead_request_complete() will be called in pcrypt_aead_serial and the\nreturn err is 0 for padata_do_parallel. But, when pinst->flags is\nPADATA_RESET, the return err is -EBUSY for padata_do_parallel, and it\nwon't call aead_request_complete(). Therefore, test_aead_vec_cfg will\nhung at wait_for_completion(&wait->completion), which will cause\nhungtask.\n\nThe problem comes as following:\n(padata_do_parallel) |\n rcu_read_lock_bh(); |\n err = -EINVAL; | (padata_replace)\n | pinst->flags |= PADATA_RESET;\n err = -EBUSY |\n if (pinst->flags & PADATA_RESET) |\n rcu_read_unlock_bh() |\n return err\n\nIn order to resolve the problem, we replace the return err -EBUSY with\n-EAGAIN, which means parallel_data is changing, and the caller should call\nit again.\n\nv3:\nremove retry and just change the return err.\nv2:\nintroduce padata_try_do_parallel() in pcrypt_aead_encrypt and\npcrypt_aead_decrypt to solve the hungtask."
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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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"crypto/pcrypt.c",
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"kernel/padata.c"
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],
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"versions": [
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{
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"version": "16295bec6398a3eedc9377e1af6ff4c71b98c300",
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"lessThan": "fb2d3a50a8f29a3c66682bb426144f40e32ab818",
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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": "16295bec6398a3eedc9377e1af6ff4c71b98c300",
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"lessThan": "039fec48e062504f14845124a1a25eb199b2ddc0",
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"status": "affected",
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},
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{
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"version": "16295bec6398a3eedc9377e1af6ff4c71b98c300",
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"lessThan": "c9c1334697301c10e6918d747ed38abfbc0c96e7",
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"status": "affected",
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{
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"lessThan": "e97bf4ada7dddacd184c3e196bd063b0dc71b41d",
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"status": "affected",
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},
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{
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"version": "16295bec6398a3eedc9377e1af6ff4c71b98c300",
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"lessThan": "546c1796ad1ed0d87dab3c4b5156d75819be2316",
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"status": "affected",
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},
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{
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"version": "16295bec6398a3eedc9377e1af6ff4c71b98c300",
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"lessThan": "c55fc098fd9d2dca475b82d00ffbcaf97879d77e",
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"status": "affected",
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},
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{
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"version": "16295bec6398a3eedc9377e1af6ff4c71b98c300",
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"lessThan": "e134f3aba98e6c801a693f540912c2d493718ddf",
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"status": "affected",
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},
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{
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"version": "16295bec6398a3eedc9377e1af6ff4c71b98c300",
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"lessThan": "372636debe852913529b1716f44addd94fff2d28",
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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": "16295bec6398a3eedc9377e1af6ff4c71b98c300",
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"lessThan": "8f4f68e788c3a7a696546291258bfa5fdb215523",
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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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"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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"crypto/pcrypt.c",
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"kernel/padata.c"
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],
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"versions": [
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{
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"version": "2.6.34",
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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": "2.6.34",
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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": "4.14.331",
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"lessThanOrEqual": "4.14.*",
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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": "4.19.300",
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"lessThanOrEqual": "4.19.*",
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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": "5.4.262",
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"lessThanOrEqual": "5.4.*",
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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": "5.10.202",
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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": "5.15.140",
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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": "6.1.64",
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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": "6.5.13",
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"lessThanOrEqual": "6.5.*",
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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": "6.6.3",
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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": "6.7",
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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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"operator": "OR",
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"negate": false,
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"cpeMatch": [
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "2.6.34",
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},
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"url": "https://git.kernel.org/stable/c/372636debe852913529b1716f44addd94fff2d28"
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},
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{
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"url": "https://git.kernel.org/stable/c/8f4f68e788c3a7a696546291258bfa5fdb215523"
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}
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],
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"title": "crypto: pcrypt - Fix hungtask for PADATA_RESET",
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"x_generator": {
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"engine": "bippy-1.2.0"
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}
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"adp": [
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{
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"title": "CISA ADP Vulnrichment",
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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-2023-52813",
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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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"Technical Impact": "partial"
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"version": "2.0.3",
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"timestamp": "2024-05-23T17:18:51.048604Z"
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"dateUpdated": "2024-06-04T17:24:13.216Z"
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"title": "CVE Program Container",
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"references": [
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