264 lines
13 KiB
JSON
264 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-2026-53045",
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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": "2026-06-09T07:44:35.381Z",
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"datePublished": "2026-06-24T16:29:51.795Z",
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"dateUpdated": "2026-08-05T12:32:52.914Z"
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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": "2026-08-05T12:32:52.914Z"
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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\nmemory: tegra124-emc: Fix dll_change check\n\nThe code checking whether the specified memory timing enables DLL\nin the EMRS register was reversed. DLL is enabled if bit A0 is low.\nFix the check."
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}
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],
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"metrics": [
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{
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"cvssV3_1": {
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"version": "3.1",
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"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
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"baseScore": 9.8,
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"baseSeverity": "CRITICAL"
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},
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"scenarios": [
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{
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"lang": "en",
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"value": "AV:N - On networked Tegra124 devices, unauthenticated remote traffic can induce memory/CPU load that drives ACTMON/devfreq EMC rate transitions into the vulnerable timing-change path.\nAC:L - Once running on an affected Tegra124 DDR3 configuration with timings that cross the DLL enable boundary, the attacker only needs to induce rate changes; there is no race or hard-to-control memory layout requirement.\nPR:N - The remote-load ACTMON/devfreq path has no authentication or privilege check before the vulnerable EMC clock transition is reached.\nUI:N - No victim action is required; rate changes are performed automatically by kernel power-management code in response to load.\nS:U - The impact remains within the same kernel-controlled system and does not cross a hypervisor, IOMMU, or separate security-authority boundary.\nC:H - The reversed DLL transition handling can misprogram DDR3 timing/state during EMC clock changes, creating system-wide DRAM corruption that may expose arbitrary kernel or process memory.\nI:H - Incorrect DRAM DLL sequencing can corrupt arbitrary memory contents, including kernel data or page tables, making high integrity impact defensible.\nA:H - Bad memory-controller timing during live DRAM operation can hang, panic, or otherwise crash the system."
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}
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]
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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/memory/tegra/tegra124-emc.c"
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],
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"versions": [
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{
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"version": "73a7f0a90641b09300d47308682b674c570dd6a2",
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"lessThan": "a85967331144fde9300be38bb44d2558eb6b742e",
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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": "73a7f0a90641b09300d47308682b674c570dd6a2",
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"lessThan": "db0ae80865b515cc0b705c85877ec00f7eebe9fe",
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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": "73a7f0a90641b09300d47308682b674c570dd6a2",
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"lessThan": "2369b1831161356e1bcb51385d3e532dc4fe2771",
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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": "73a7f0a90641b09300d47308682b674c570dd6a2",
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"lessThan": "7e19e72f306484996c52ff96cc92f69b78ed5435",
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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": "73a7f0a90641b09300d47308682b674c570dd6a2",
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"lessThan": "05f138fc7e27ee8e7a83ccf966c3fa26cda44dda",
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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": "73a7f0a90641b09300d47308682b674c570dd6a2",
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"lessThan": "1793249c067a4b28e1aba0ad0e4d73aa9f9e165a",
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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": "73a7f0a90641b09300d47308682b674c570dd6a2",
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"lessThan": "1ebbbef47d11cc90219c081492ccf995aaa3e9b3",
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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": "73a7f0a90641b09300d47308682b674c570dd6a2",
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"lessThan": "9597ab9a8296ab337e6820f8a717ff621078b632",
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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/memory/tegra/tegra124-emc.c"
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],
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"versions": [
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{
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"version": "4.2",
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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": "4.2",
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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": "5.10.258",
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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": "5.15.209",
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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": "6.1.175",
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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": "6.6.141",
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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": "6.12.91",
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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": "6.18.33",
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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": "7.0.10",
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"lessThanOrEqual": "7.0.*",
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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": "7.1",
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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": "4.2",
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"versionEndExcluding": "5.10.258"
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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": "4.2",
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"versionEndExcluding": "5.15.209"
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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": "4.2",
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"versionEndExcluding": "6.1.175"
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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": "4.2",
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"versionEndExcluding": "6.6.141"
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},
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{
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "4.2",
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"versionEndExcluding": "6.12.91"
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},
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"versionEndExcluding": "6.18.33"
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"versionStartIncluding": "4.2",
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"versionEndExcluding": "7.0.10"
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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/a85967331144fde9300be38bb44d2558eb6b742e"
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},
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{
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"url": "https://git.kernel.org/stable/c/db0ae80865b515cc0b705c85877ec00f7eebe9fe"
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},
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{
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"url": "https://git.kernel.org/stable/c/2369b1831161356e1bcb51385d3e532dc4fe2771"
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},
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{
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"url": "https://git.kernel.org/stable/c/7e19e72f306484996c52ff96cc92f69b78ed5435"
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},
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{
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"url": "https://git.kernel.org/stable/c/05f138fc7e27ee8e7a83ccf966c3fa26cda44dda"
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},
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{
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"url": "https://git.kernel.org/stable/c/1793249c067a4b28e1aba0ad0e4d73aa9f9e165a"
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},
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{
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"url": "https://git.kernel.org/stable/c/1ebbbef47d11cc90219c081492ccf995aaa3e9b3"
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},
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{
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"url": "https://git.kernel.org/stable/c/9597ab9a8296ab337e6820f8a717ff621078b632"
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}
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],
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"title": "memory: tegra124-emc: Fix dll_change check",
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"x_generator": {
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} |