232 lines
9.7 KiB
JSON
232 lines
9.7 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-2021-46920",
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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": "2024-02-25T13:45:52.719Z",
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"datePublished": "2024-02-27T06:53:57.372Z",
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"dateUpdated": "2026-05-11T13:44:27.230Z"
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},
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"containers": {
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"dateUpdated": "2026-05-11T13:44:27.230Z"
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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\ndmaengine: idxd: Fix clobbering of SWERR overflow bit on writeback\n\nCurrent code blindly writes over the SWERR and the OVERFLOW bits. Write\nback the bits actually read instead so the driver avoids clobbering the\nOVERFLOW bit that comes after the register is read."
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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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"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/dma/idxd/irq.c"
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{
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"drivers/dma/idxd/irq.c"
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],
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{
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"version": "5.6",
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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": "5.6",
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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": "5.10.32",
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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": "5.11.16",
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"lessThanOrEqual": "5.11.*",
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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": "5.12",
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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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"versionStartIncluding": "5.6",
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"versionEndExcluding": "5.10.32"
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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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},
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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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"references": [
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"url": "https://git.kernel.org/stable/c/a5ad12d5d69c63af289a37f05187a0c6fe93553d"
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{
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"url": "https://git.kernel.org/stable/c/02981a44a0e402089775416371bd2e0c935685f8"
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"url": "https://git.kernel.org/stable/c/ea941ac294d75d0ace50797aebf0056f6f8f7a7f"
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}
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],
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"title": "dmaengine: idxd: Fix clobbering of SWERR overflow bit on writeback",
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"x_generator": {
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"engine": "bippy-1.2.0"
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"type": "CWE",
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"lang": "en",
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"description": "CWE-noinfo Not enough information"
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"baseScore": 5.5,
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"attackVector": "LOCAL",
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"baseSeverity": "MEDIUM",
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"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N",
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"integrityImpact": "HIGH",
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"userInteraction": "NONE",
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"attackComplexity": "LOW",
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"availabilityImpact": "NONE",
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"privilegesRequired": "LOW",
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"confidentialityImpact": "NONE"
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}
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},
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{
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"other": {
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"type": "ssvc",
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"content": {
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"timestamp": "2024-02-27T17:47:35.448029Z",
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"id": "CVE-2021-46920",
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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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}
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"title": "CISA ADP Vulnrichment",
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"shortName": "CISA-ADP",
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"dateUpdated": "2024-10-29T13:46:36.802Z"
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"dateUpdated": "2024-08-04T05:17:42.983Z"
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"title": "CVE Program Container",
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"url": "https://git.kernel.org/stable/c/a5ad12d5d69c63af289a37f05187a0c6fe93553d",
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