227 lines
11 KiB
JSON
227 lines
11 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-2026-99095",
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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": "2026-09-25T10:25:14.390Z",
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"datePublished": "2026-10-26T14:52:02.647Z",
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"dateUpdated": "2026-10-30T12:41:42.869Z"
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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": "2026-10-30T12:41:42.869Z"
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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\ndrm/vc4: drain the hangcheck timer and works on V3D unbind\n\nNothing stops the hangcheck timer that submitted jobs arm, or the\njob_done_work that the render-done interrupt queues, at teardown:\nvc4_irq_disable() cancels only overflow_mem_work, and vc4_gem_destroy()\nruns from the drm-managed release, after vc4_v3d_unbind() has already\nuninstalled the V3D interrupt and cleared vc4->v3d. A timer still armed\nby then reads V3D registers through the NULL vc4->v3d pointer, and the\nlate callbacks run on the vc4_dev embedding them after it has been\nfreed.\n\nDrain them in vc4_v3d_unbind(): shut the timer down and cancel\nreset_work before the interrupt is taken down, because its\nvc4_irq_reset() re-enables it, then flush job_done_work so that\ncompletions queued at teardown still release their jobs.\n\nThis issue was found by an in-house static analysis tool."
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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/gpu/drm/vc4/vc4_v3d.c"
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],
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"versions": [
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{
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"version": "d5b1a78a772f1e31a94f8babfa964152ec5e9aa5",
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"lessThan": "839eebfc95f8530feaa99677274912ac09b5820b",
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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": "d5b1a78a772f1e31a94f8babfa964152ec5e9aa5",
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"lessThan": "a1e7c7789aef551eea85de2f63989753c4fe9df6",
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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": "d5b1a78a772f1e31a94f8babfa964152ec5e9aa5",
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"lessThan": "17c5fa371de2d5508755cd4cd227cc8e2bb99240",
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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": "d5b1a78a772f1e31a94f8babfa964152ec5e9aa5",
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"lessThan": "a046cd60ff3f4a8c8e672b3b18902682c1f91731",
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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": "d5b1a78a772f1e31a94f8babfa964152ec5e9aa5",
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"lessThan": "e61465d3e0292daebf4dbb34e0add635e2439569",
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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": "d5b1a78a772f1e31a94f8babfa964152ec5e9aa5",
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"lessThan": "ade226dfd28cf2fd1dce143c556d1ee77d953696",
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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": "d5b1a78a772f1e31a94f8babfa964152ec5e9aa5",
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"lessThan": "94cf5971b1d04c6382437387c4dc3836cc7a1437",
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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/gpu/drm/vc4/vc4_v3d.c"
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],
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"versions": [
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{
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"version": "4.5",
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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": "4.5",
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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": "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": "4.5",
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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": "4.5",
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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": "4.5",
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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": "4.5",
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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": "4.5",
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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": "4.5",
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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": "4.5",
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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/839eebfc95f8530feaa99677274912ac09b5820b"
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},
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{
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"url": "https://git.kernel.org/stable/c/a1e7c7789aef551eea85de2f63989753c4fe9df6"
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},
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{
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"url": "https://git.kernel.org/stable/c/17c5fa371de2d5508755cd4cd227cc8e2bb99240"
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},
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{
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"url": "https://git.kernel.org/stable/c/a046cd60ff3f4a8c8e672b3b18902682c1f91731"
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},
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{
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"url": "https://git.kernel.org/stable/c/e61465d3e0292daebf4dbb34e0add635e2439569"
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},
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{
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"url": "https://git.kernel.org/stable/c/ade226dfd28cf2fd1dce143c556d1ee77d953696"
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},
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{
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"url": "https://git.kernel.org/stable/c/94cf5971b1d04c6382437387c4dc3836cc7a1437"
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}
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],
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"title": "drm/vc4: drain the hangcheck timer and works on V3D unbind",
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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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} |