293 lines
15 KiB
JSON
293 lines
15 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-2024-46815",
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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": "2024-09-11T15:12:18.283Z",
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"datePublished": "2024-09-27T12:35:57.062Z",
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"dateUpdated": "2026-08-05T11:38:46.003Z"
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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": "2026-08-05T11:38:46.003Z"
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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/amd/display: Check num_valid_sets before accessing reader_wm_sets[]\n\n[WHY & HOW]\nnum_valid_sets needs to be checked to avoid a negative index when\naccessing reader_wm_sets[num_valid_sets - 1].\n\nThis fixes an OVERRUN issue reported by Coverity."
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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:N/I:H/A:H",
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"baseScore": 7.1,
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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 - The affected code is amdgpu display clock-manager init for DCN2.1 (Renoir/Cezanne APUs), reached only through local GPU bring-up — driver probe and `dc_set_power_state(D0)` on system/runtime-PM resume — with no network, packet, or remote-peer input anywhere on the path. Local is selected over Physical as the higher-severity of the two defensible options.\nAC:L - Once a platform presents the anomalous watermark table (first valid entry typed `WM_TYPE_RETRAINING`), the negative-index write occurs deterministically on every `rn_notify_wm_ranges()` call — there is no race, timing window, or memory-layout condition outside the attacker's control. Chosen as the higher-severity option even though the driver's own table-population code cannot produce that state.\nPR:L - On an affected platform the vulnerable path is re-entered on every GPU D0 transition, and an unprivileged local user holding `/dev/dri/cardN` (normal desktop/kiosk seat access) can force repeated runtime suspend/resume cycles to re-run `dcn10_init_hw()` → `rn_notify_wm_ranges()`. No root, CAP_SYS_ADMIN, or namespace privilege is needed to reach the code.\nUI:N - The attacker drives the GPU power-state transitions themselves via their own DRM device access; no separate victim has to log in, open a file, or perform any action.\nS:U - The corrupted memory is the kernel's own `struct clk_mgr_internal` allocation inside the amdgpu driver, so the fault and its impact stay within the kernel's security authority — no VM, IOMMU, or sandbox boundary is crossed.\nC:N - The defect is a write of the fixed constant `PP_SMU_WM_SET_RANGE_CLK_UNCONSTRAINED_MAX` (0xFFFF) to a fixed negative offset; there is no out-of-bounds read, no attacker-chosen address, and no value returned to userspace or any observable channel.\nI:H - This is an out-of-bounds (negative-index) write that lands squarely on the upper half of the live `clk_mgr->bw_params` kernel pointer, corrupting kernel state that is dereferenced repeatedly afterwards by the clock manager and DML code. Per kernel scoring guidance, an out-of-bounds write is High.\nA:H - After the write, `bw_params` is a wild pointer dereferenced throughout `rn_clk_mgr`/DML on every clock update, producing an oops or panic; because it recurs on each GPU resume, the system is left unusable rather than transiently degraded."
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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/amd/display/dc/clk_mgr/dcn21/rn_clk_mgr.c"
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],
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"versions": [
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{
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"version": "4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c",
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"lessThan": "a72d4996409569027b4609414a14a87679b12267",
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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": "4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c",
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"lessThan": "7c47dd2e92341f2989ab73dbed07f8894593ad7b",
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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": "4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c",
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"lessThan": "c4a7f7c0062fe2c73f70bb7e335199e25bd71492",
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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": "4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c",
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"lessThan": "b36e9b3104c4ba0f2f5dd083dcf6159cb316c996",
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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": "4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c",
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"lessThan": "21f9cb44f8c60bf6c26487d428b1a09ad3e8aebf",
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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": "4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c",
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"lessThan": "6a4a08e45e614cfa7a56498cdfaeb7fae2f07fa0",
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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": "4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c",
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"lessThan": "b38a4815f79b87efb196cd5121579fc51e29a7fb",
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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/amd/display/dc/clk_mgr/dcn21/rn_clk_mgr.c"
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],
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"versions": [
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{
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"version": "4.15",
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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": "4.15",
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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": "5.4.284",
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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": "5.10.226",
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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": "5.15.167",
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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": "6.1.109",
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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": "6.6.50",
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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": "6.10.9",
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"lessThanOrEqual": "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": "6.11",
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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": "4.15",
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"versionEndExcluding": "5.4.284"
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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": "4.15",
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"versionEndExcluding": "5.10.226"
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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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{
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionEndExcluding": "6.10.9"
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "4.15",
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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/a72d4996409569027b4609414a14a87679b12267"
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},
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{
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"url": "https://git.kernel.org/stable/c/7c47dd2e92341f2989ab73dbed07f8894593ad7b"
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},
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{
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"url": "https://git.kernel.org/stable/c/c4a7f7c0062fe2c73f70bb7e335199e25bd71492"
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},
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{
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"url": "https://git.kernel.org/stable/c/b36e9b3104c4ba0f2f5dd083dcf6159cb316c996"
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},
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{
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"url": "https://git.kernel.org/stable/c/21f9cb44f8c60bf6c26487d428b1a09ad3e8aebf"
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},
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{
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"url": "https://git.kernel.org/stable/c/6a4a08e45e614cfa7a56498cdfaeb7fae2f07fa0"
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},
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{
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"url": "https://git.kernel.org/stable/c/b38a4815f79b87efb196cd5121579fc51e29a7fb"
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}
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],
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"title": "drm/amd/display: Check num_valid_sets before accessing reader_wm_sets[]",
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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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"adp": [
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{
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"metrics": [
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{
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"other": {
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"type": "ssvc",
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"content": {
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"timestamp": "2024-09-29T14:18:10.423569Z",
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"id": "CVE-2024-46815",
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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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"Automatable": "no"
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},
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{
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"Technical Impact": "partial"
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}
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],
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"role": "CISA Coordinator",
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"version": "2.0.3"
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}
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}
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}
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],
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"title": "CISA ADP Vulnrichment",
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"providerMetadata": {
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"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
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"shortName": "CISA-ADP",
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"dateUpdated": "2024-09-29T14:18:21.693Z"
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}
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},
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{
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"title": "CVE Program Container",
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"references": [
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{
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"url": "https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html"
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},
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{
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"url": "https://lists.debian.org/debian-lts-announce/2024/10/msg00003.html"
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}
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],
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"providerMetadata": {
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"orgId": "af854a3a-2127-422b-91ae-364da2661108",
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"shortName": "CVE",
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"dateUpdated": "2025-11-03T22:18:59.251Z"
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}
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}
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]
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}
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} |