159 lines
8.1 KiB
JSON
159 lines
8.1 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-2025-71302",
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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": "2026-05-08T13:14:33.087Z",
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"datePublished": "2026-05-08T13:26:11.418Z",
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"dateUpdated": "2026-08-05T12:12:44.474Z"
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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": "2026-08-05T12:12:44.474Z"
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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/panthor: fix for dma-fence safe access rules\n\nCommit 506aa8b02a8d6 (\"dma-fence: Add safe access helpers and document\nthe rules\") details the dma-fence safe access rules. The most common\nculprit is that drm_sched_fence_get_timeline_name may race with\ngroup_free_queue."
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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:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
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"baseScore": 7.8,
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"baseSeverity": "HIGH"
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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:L - An attacker reaches the flaw through DRM ioctls on a local Panthor render node and SYNC_IOC_FILE_INFO on an exported sync-file.\nAC:L - The attacker controls both sides by querying the exported fence concurrently with GROUP_DESTROY or file closure and can repeat the race while spraying reclaimed heap objects.\nPR:L - All required Panthor, syncobj, and export operations are DRM_RENDER_ALLOW; ordinary-priority groups require neither DRM master nor a capability.\nUI:N - The attacker independently creates the VM, group, job, syncobj, and sync-file and triggers teardown without victim action.\nS:U - The vulnerability compromises resources governed by the same host kernel and does not inherently cross a VM or IOMMU security boundary.\nC:H - The exported scheduler fence can outlive the freed queue, allowing the timeline callback to dereference reclaimed scheduler and name data. Heap reclamation can provide a chosen source pointer whose contents are copied through SYNC_IOC_FILE_INFO, supporting repeated kernel-memory disclosure.\nI:H - This is a kernel heap use-after-free involving surviving dma-fence references into reclaimed queue state. Under conservative UAF scoring, attacker-influenced heap reuse is treated as potentially enabling arbitrary memory modification or control-flow hijacking.\nA:H - Dereferencing a stale or attacker-influenced scheduler-name pointer can cause a kernel fault, oops, or panic, and an unprivileged attacker can trigger the condition repeatedly."
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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/gpu/drm/panthor/panthor_sched.c"
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],
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"versions": [
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{
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"version": "de85488138247d034eb3241840424a54d660926b",
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"lessThan": "ab8c0de60f16d7e0b162ccbbb35fcf1f277c97c2",
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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": "de85488138247d034eb3241840424a54d660926b",
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"lessThan": "eae60933abd11df013876f647c9edbd35ce67615",
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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": "de85488138247d034eb3241840424a54d660926b",
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"lessThan": "efe24898485c5c831e629d9c6fb9350c35cb576f",
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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/panthor/panthor_sched.c"
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],
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"versions": [
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{
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"version": "6.10",
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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": "6.10",
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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": "6.18.16",
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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": "6.19.6",
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"lessThanOrEqual": "6.19.*",
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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": "7.0",
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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": "6.10",
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"versionEndExcluding": "6.18.16"
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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": "6.10",
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"versionEndExcluding": "6.19.6"
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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": "6.10",
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"versionEndExcluding": "7.0"
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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/ab8c0de60f16d7e0b162ccbbb35fcf1f277c97c2"
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},
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{
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"url": "https://git.kernel.org/stable/c/eae60933abd11df013876f647c9edbd35ce67615"
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},
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{
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"url": "https://git.kernel.org/stable/c/efe24898485c5c831e629d9c6fb9350c35cb576f"
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}
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],
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"title": "drm/panthor: fix for dma-fence safe access rules",
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"x_generator": {
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}
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}
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}
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} |