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-2026-23056",
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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": "2026-01-13T15:37:45.951Z",
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"datePublished": "2026-02-04T16:07:34.787Z",
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"dateUpdated": "2026-05-11T21:59:08.964Z"
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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": "2026-05-11T21:59:08.964Z"
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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\nuacce: implement mremap in uacce_vm_ops to return -EPERM\n\nThe current uacce_vm_ops does not support the mremap operation of\nvm_operations_struct. Implement .mremap to return -EPERM to remind\nusers.\n\nThe reason we need to explicitly disable mremap is that when the\ndriver does not implement .mremap, it uses the default mremap\nmethod. This could lead to a risk scenario:\n\nAn application might first mmap address p1, then mremap to p2,\nfollowed by munmap(p1), and finally munmap(p2). Since the default\nmremap copies the original vma's vm_private_data (i.e., q) to the\nnew vma, both munmap operations would trigger vma_close, causing\nq->qfr to be freed twice(qfr will be set to null here, so repeated\nrelease is ok)."
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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/misc/uacce/uacce.c"
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],
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"versions": [
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{
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"version": "015d239ac0142ad0e26567fd890ef8d171f13709",
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"lessThan": "78d99f062d42e3af2ca46bde1a8e46e0dfd372e3",
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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": "015d239ac0142ad0e26567fd890ef8d171f13709",
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"lessThan": "ebfa85658a39b49ec3901ceea7535b73aa0429e6",
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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": "015d239ac0142ad0e26567fd890ef8d171f13709",
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"lessThan": "75b29bdc935ff93b8e8bf6f6b4d8a4810b26e06f",
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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": "015d239ac0142ad0e26567fd890ef8d171f13709",
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"lessThan": "4c042bc71474dbe417c268f4bfb8ec196f802f07",
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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": "015d239ac0142ad0e26567fd890ef8d171f13709",
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"lessThan": "a407ddd61b3e6afc5ccfcd1478797171cf5686ee",
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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": "015d239ac0142ad0e26567fd890ef8d171f13709",
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"lessThan": "ba29b59d124e725e0377f09b2044909c91d657a1",
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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": "015d239ac0142ad0e26567fd890ef8d171f13709",
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"lessThan": "02695347be532b628f22488300d40c4eba48b9b7",
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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/misc/uacce/uacce.c"
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],
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"versions": [
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{
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"version": "5.7",
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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": "5.7",
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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": "5.10.249",
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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": "5.15.199",
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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": "6.1.162",
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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": "6.6.122",
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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": "6.12.68",
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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": "6.18.8",
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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",
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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": "5.7",
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"versionEndExcluding": "5.10.249"
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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": "5.7",
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"versionEndExcluding": "5.15.199"
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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": "5.7",
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"versionEndExcluding": "6.1.162"
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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": "5.7",
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"versionEndExcluding": "6.6.122"
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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": "5.7",
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"versionEndExcluding": "6.12.68"
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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": "5.7",
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"versionEndExcluding": "6.18.8"
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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": "5.7",
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"versionEndExcluding": "6.19"
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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/78d99f062d42e3af2ca46bde1a8e46e0dfd372e3"
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},
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{
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"url": "https://git.kernel.org/stable/c/ebfa85658a39b49ec3901ceea7535b73aa0429e6"
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},
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{
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"url": "https://git.kernel.org/stable/c/75b29bdc935ff93b8e8bf6f6b4d8a4810b26e06f"
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},
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{
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"url": "https://git.kernel.org/stable/c/4c042bc71474dbe417c268f4bfb8ec196f802f07"
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},
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{
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"url": "https://git.kernel.org/stable/c/a407ddd61b3e6afc5ccfcd1478797171cf5686ee"
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},
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{
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"url": "https://git.kernel.org/stable/c/ba29b59d124e725e0377f09b2044909c91d657a1"
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},
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{
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"url": "https://git.kernel.org/stable/c/02695347be532b628f22488300d40c4eba48b9b7"
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}
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],
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"title": "uacce: implement mremap in uacce_vm_ops to return -EPERM",
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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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} |