286 lines
13 KiB
JSON
286 lines
13 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-2021-47305",
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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": "2024-05-21T13:27:52.133Z",
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"datePublished": "2024-05-21T14:35:25.345Z",
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"dateUpdated": "2026-05-11T13:51:55.194Z"
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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": "2026-05-11T13:51:55.194Z"
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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\ndma-buf/sync_file: Don't leak fences on merge failure\n\nEach add_fence() call does a dma_fence_get() on the relevant fence. In\nthe error path, we weren't calling dma_fence_put() so all those fences\ngot leaked. Also, in the krealloc_array failure case, we weren't\nfreeing the fences array. Instead, ensure that i and fences are always\nzero-initialized and dma_fence_put() all the fences and kfree(fences) on\nevery error path."
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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/dma-buf/sync_file.c"
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],
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{
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"version": "a02b9dc90d844cc7df7b63264e7920cc425052d9",
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"status": "affected",
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},
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{
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"version": "a02b9dc90d844cc7df7b63264e7920cc425052d9",
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"lessThan": "e0355a0ad31a1d677b2a4514206de4902bd550e8",
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"status": "affected",
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},
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{
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"version": "a02b9dc90d844cc7df7b63264e7920cc425052d9",
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"lessThan": "41f45e91c92c8480242ea448d54e28c753b13902",
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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": "a02b9dc90d844cc7df7b63264e7920cc425052d9",
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"lessThan": "0d514185ae792d3a1903c8e1a83899aa996705ce",
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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": "a02b9dc90d844cc7df7b63264e7920cc425052d9",
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"lessThan": "19edcd97727aae9362444a859a24d99a8730cb27",
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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": "a02b9dc90d844cc7df7b63264e7920cc425052d9",
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"lessThan": "ffe000217c5068c5da07ccb1c0f8cce7ad767435",
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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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"drivers/dma-buf/sync_file.c"
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],
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"versions": [
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{
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"version": "4.9",
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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": "4.9",
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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": "4.14.241",
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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": "4.19.199",
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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": "5.4.135",
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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": "5.10.53",
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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": "5.13.5",
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"lessThanOrEqual": "5.13.*",
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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": "5.14",
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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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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "4.9",
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"versionEndExcluding": "4.14.241"
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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": "4.9",
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"versionEndExcluding": "4.19.199"
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "4.9",
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{
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "4.9",
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"references": [
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{
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"url": "https://git.kernel.org/stable/c/19f51c2529339280d2c8c6427cd3e21ddf1ac3f8"
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},
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{
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"url": "https://git.kernel.org/stable/c/e0355a0ad31a1d677b2a4514206de4902bd550e8"
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{
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"url": "https://git.kernel.org/stable/c/0d514185ae792d3a1903c8e1a83899aa996705ce"
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{
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"url": "https://git.kernel.org/stable/c/19edcd97727aae9362444a859a24d99a8730cb27"
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},
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{
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"url": "https://git.kernel.org/stable/c/ffe000217c5068c5da07ccb1c0f8cce7ad767435"
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}
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],
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"title": "dma-buf/sync_file: Don't leak fences on merge failure",
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"adp": [
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"metrics": [
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"type": "ssvc",
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"content": {
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"timestamp": "2024-06-17T17:37:39.251165Z",
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"id": "CVE-2021-47305",
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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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