{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2024-50177", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2024-10-21T19:36:19.964Z", "datePublished": "2024-11-08T05:23:59.205Z", "dateUpdated": "2026-05-11T20:46:55.902Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-11T20:46:55.902Z" }, "descriptions": [ { "lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amd/display: fix a UBSAN warning in DML2.1\n\nWhen programming phantom pipe, since cursor_width is explicity set to 0,\nthis causes calculation logic to trigger overflow for an unsigned int\ntriggering the kernel's UBSAN check as below:\n\n[ 40.962845] UBSAN: shift-out-of-bounds in /tmp/amd.EfpumTkO/amd/amdgpu/../display/dc/dml2/dml21/src/dml2_core/dml2_core_dcn4_calcs.c:3312:34\n[ 40.962849] shift exponent 4294967170 is too large for 32-bit type 'unsigned int'\n[ 40.962852] CPU: 1 PID: 1670 Comm: gnome-shell Tainted: G W OE 6.5.0-41-generic #41~22.04.2-Ubuntu\n[ 40.962854] Hardware name: Gigabyte Technology Co., Ltd. X670E AORUS PRO X/X670E AORUS PRO X, BIOS F21 01/10/2024\n[ 40.962856] Call Trace:\n[ 40.962857] \n[ 40.962860] dump_stack_lvl+0x48/0x70\n[ 40.962870] dump_stack+0x10/0x20\n[ 40.962872] __ubsan_handle_shift_out_of_bounds+0x1ac/0x360\n[ 40.962878] calculate_cursor_req_attributes.cold+0x1b/0x28 [amdgpu]\n[ 40.963099] dml_core_mode_support+0x6b91/0x16bc0 [amdgpu]\n[ 40.963327] ? srso_alias_return_thunk+0x5/0x7f\n[ 40.963331] ? CalculateWatermarksMALLUseAndDRAMSpeedChangeSupport+0x18b8/0x2790 [amdgpu]\n[ 40.963534] ? srso_alias_return_thunk+0x5/0x7f\n[ 40.963536] ? dml_core_mode_support+0xb3db/0x16bc0 [amdgpu]\n[ 40.963730] dml2_core_calcs_mode_support_ex+0x2c/0x90 [amdgpu]\n[ 40.963906] ? srso_alias_return_thunk+0x5/0x7f\n[ 40.963909] ? dml2_core_calcs_mode_support_ex+0x2c/0x90 [amdgpu]\n[ 40.964078] core_dcn4_mode_support+0x72/0xbf0 [amdgpu]\n[ 40.964247] dml2_top_optimization_perform_optimization_phase+0x1d3/0x2a0 [amdgpu]\n[ 40.964420] dml2_build_mode_programming+0x23d/0x750 [amdgpu]\n[ 40.964587] dml21_validate+0x274/0x770 [amdgpu]\n[ 40.964761] ? srso_alias_return_thunk+0x5/0x7f\n[ 40.964763] ? resource_append_dpp_pipes_for_plane_composition+0x27c/0x3b0 [amdgpu]\n[ 40.964942] dml2_validate+0x504/0x750 [amdgpu]\n[ 40.965117] ? dml21_copy+0x95/0xb0 [amdgpu]\n[ 40.965291] ? srso_alias_return_thunk+0x5/0x7f\n[ 40.965295] dcn401_validate_bandwidth+0x4e/0x70 [amdgpu]\n[ 40.965491] update_planes_and_stream_state+0x38d/0x5c0 [amdgpu]\n[ 40.965672] update_planes_and_stream_v3+0x52/0x1e0 [amdgpu]\n[ 40.965845] ? srso_alias_return_thunk+0x5/0x7f\n[ 40.965849] dc_update_planes_and_stream+0x71/0xb0 [amdgpu]\n\nFix this by adding a guard for checking cursor width before triggering\nthe size calculation." } ], "affected": [ { "product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "drivers/gpu/drm/amd/display/dc/dml2/dml21/src/dml2_core/dml2_core_dcn4_calcs.c" ], "versions": [ { "version": "70839da6360500a82e4d5f78499284474cbed7c1", "lessThan": "27bc3da5eae57e3af8f5648b4498ffde48781434", "status": "affected", "versionType": "git" }, { "version": "70839da6360500a82e4d5f78499284474cbed7c1", "lessThan": "eaf3adb8faab611ba57594fa915893fc93a7788c", "status": "affected", "versionType": "git" } ] }, { "product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "drivers/gpu/drm/amd/display/dc/dml2/dml21/src/dml2_core/dml2_core_dcn4_calcs.c" ], "versions": [ { "version": "6.11", "status": "affected" }, { "version": "0", "lessThan": "6.11", "status": "unaffected", "versionType": "semver" }, { "version": "6.11.3", "lessThanOrEqual": "6.11.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.12", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix" } ] } ], "cpeApplicability": [ { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.11", "versionEndExcluding": "6.11.3" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.11", "versionEndExcluding": "6.12" } ] } ] } ], "references": [ { "url": "https://git.kernel.org/stable/c/27bc3da5eae57e3af8f5648b4498ffde48781434" }, { "url": "https://git.kernel.org/stable/c/eaf3adb8faab611ba57594fa915893fc93a7788c" } ], "title": "drm/amd/display: fix a UBSAN warning in DML2.1", "x_generator": { "engine": "bippy-1.2.0" } }, "adp": [ { "metrics": [ { "cvssV3_1": { "scope": "UNCHANGED", "version": "3.1", "baseScore": 5.5, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "NONE" } }, { "other": { "type": "ssvc", "content": { "id": "CVE-2024-50177", "role": "CISA Coordinator", "options": [ { "Exploitation": "none" }, { "Automatable": "no" }, { "Technical Impact": "partial" } ], "version": "2.0.3", "timestamp": "2025-10-01T20:19:12.163873Z" } } } ], "problemTypes": [ { "descriptions": [ { "lang": "en", "type": "CWE", "cweId": "CWE-190", "description": "CWE-190 Integer Overflow or Wraparound" } ] } ], "title": "CISA ADP Vulnrichment", "providerMetadata": { "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-10-01T20:27:10.217Z" } } ] } }