CVE-2023-52485

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2023-52485", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2024-02-20T12:30:33.301Z", "datePublished": "2024-02-29T14:57:51.179Z", "dateUpdated": "2026-08-15T12:23:52.004Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-08-15T12:23:52.004Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amd/display: Wake DMCUB before sending a command\n\n[Why]\nWe can hang in place trying to send commands when the DMCUB isn't\npowered on.\n\n[How]\nFor functions that execute within a DC context or DC lock we can\nwrap the direct calls to dm_execute_dmub_cmd/list with code that\nexits idle power optimizations and reallows once we're done with\nthe command submission on success.\n\nFor DM direct submissions the DM will need to manage the enter/exit\nsequencing manually.\n\nWe cannot invoke a DMCUB command directly within the DM execution\nhelper or we can deadlock."}], "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/amdgpu_dm/amdgpu_dm.c", "drivers/gpu/drm/amd/display/dc/bios/command_table2.c", "drivers/gpu/drm/amd/display/dc/clk_mgr/dcn31/dcn31_clk_mgr.c", "drivers/gpu/drm/amd/display/dc/clk_mgr/dcn314/dcn314_clk_mgr.c", "drivers/gpu/drm/amd/display/dc/clk_mgr/dcn315/dcn315_clk_mgr.c", "drivers/gpu/drm/amd/display/dc/clk_mgr/dcn316/dcn316_clk_mgr.c", "drivers/gpu/drm/amd/display/dc/clk_mgr/dcn35/dcn35_clk_mgr.c", "drivers/gpu/drm/amd/display/dc/core/dc.c", "drivers/gpu/drm/amd/display/dc/core/dc_hw_sequencer.c", "drivers/gpu/drm/amd/display/dc/dc_dmub_srv.c", "drivers/gpu/drm/amd/display/dc/dc_dmub_srv.h", "drivers/gpu/drm/amd/display/dc/dc_helper.c", "drivers/gpu/drm/amd/display/dc/dce/dmub_abm_lcd.c", "drivers/gpu/drm/amd/display/dc/dce/dmub_hw_lock_mgr.c", "drivers/gpu/drm/amd/display/dc/dce/dmub_outbox.c", "drivers/gpu/drm/amd/display/dc/dce/dmub_psr.c", "drivers/gpu/drm/amd/display/dc/dcn21/dcn21_hubp.c", "drivers/gpu/drm/amd/display/dc/dcn31/dcn31_dio_link_encoder.c", "drivers/gpu/drm/amd/display/dc/dcn31/dcn31_panel_cntl.c", "drivers/gpu/drm/amd/display/dc/hwss/dcn21/dcn21_hwseq.c", "drivers/gpu/drm/amd/display/dc/hwss/dcn30/dcn30_hwseq.c", "drivers/gpu/drm/amd/display/dc/hwss/dcn31/dcn31_hwseq.c", "drivers/gpu/drm/amd/display/dc/hwss/dcn32/dcn32_hwseq.c", "drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_capability.c", "drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_dpia.c"], "versions": [{"version": "65138eb72e1fc687be49932b9a45325598ffa01c", "lessThan": "303197775a97416b62d4da69280d0c120a20e009", "status": "affected", "versionType": "git"}, {"version": "65138eb72e1fc687be49932b9a45325598ffa01c", "lessThan": "8892780834ae294bc3697c7d0e056d7743900b39", "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/amdgpu_dm/amdgpu_dm.c", "drivers/gpu/drm/amd/display/dc/bios/command_table2.c", "drivers/gpu/drm/amd/display/dc/clk_mgr/dcn31/dcn31_clk_mgr.c", "drivers/gpu/drm/amd/display/dc/clk_mgr/dcn314/dcn314_clk_mgr.c", "drivers/gpu/drm/amd/display/dc/clk_mgr/dcn315/dcn315_clk_mgr.c", "drivers/gpu/drm/amd/display/dc/clk_mgr/dcn316/dcn316_clk_mgr.c", "drivers/gpu/drm/amd/display/dc/clk_mgr/dcn35/dcn35_clk_mgr.c", "drivers/gpu/drm/amd/display/dc/core/dc.c", "drivers/gpu/drm/amd/display/dc/core/dc_hw_sequencer.c", "drivers/gpu/drm/amd/display/dc/dc_dmub_srv.c", "drivers/gpu/drm/amd/display/dc/dc_dmub_srv.h", "drivers/gpu/drm/amd/display/dc/dc_helper.c", "drivers/gpu/drm/amd/display/dc/dce/dmub_abm_lcd.c", "drivers/gpu/drm/amd/display/dc/dce/dmub_hw_lock_mgr.c", "drivers/gpu/drm/amd/display/dc/dce/dmub_outbox.c", "drivers/gpu/drm/amd/display/dc/dce/dmub_psr.c", "drivers/gpu/drm/amd/display/dc/dcn21/dcn21_hubp.c", "drivers/gpu/drm/amd/display/dc/dcn31/dcn31_dio_link_encoder.c", "drivers/gpu/drm/amd/display/dc/dcn31/dcn31_panel_cntl.c", "drivers/gpu/drm/amd/display/dc/hwss/dcn21/dcn21_hwseq.c", "drivers/gpu/drm/amd/display/dc/hwss/dcn30/dcn30_hwseq.c", "drivers/gpu/drm/amd/display/dc/hwss/dcn31/dcn31_hwseq.c", "drivers/gpu/drm/amd/display/dc/hwss/dcn32/dcn32_hwseq.c", "drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_capability.c", "drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_dpia.c"], "versions": [{"version": "6.7", "status": "affected"}, {"version": "0", "lessThan": "6.7", "status": "unaffected", "versionType": "semver"}, {"version": "6.7.3", "lessThanOrEqual": "6.7.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.8", "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": "6.7", "versionEndExcluding": "6.7.3"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.7", "versionEndExcluding": "6.8"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/303197775a97416b62d4da69280d0c120a20e009"}, {"url": "https://git.kernel.org/stable/c/8892780834ae294bc3697c7d0e056d7743900b39"}], "title": "drm/amd/display: Wake DMCUB before sending a command", "x_generator": {"engine": "bippy-1.2.0"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2024-03-05T22:17:04.458995Z", "id": "CVE-2023-52485", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-11-13T18:26:57.574Z"}}, {"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-02T23:03:19.936Z"}, "title": "CVE Program Container", "references": [{"url": "https://git.kernel.org/stable/c/303197775a97416b62d4da69280d0c120a20e009", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/8892780834ae294bc3697c7d0e056d7743900b39", "tags": ["x_transferred"]}]}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CVE Program Container", "references": [{"url": "https://git.kernel.org/stable/c/303197775a97416b62d4da69280d0c120a20e009", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/8892780834ae294bc3697c7d0e056d7743900b39", "tags": ["x_transferred"]}], "providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-02T23:03:19.936Z"}}, {"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2023-52485", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2024-03-05T22:17:04.458995Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-05-23T19:01:10.159Z"}}], "cna": {"title": "drm/amd/display: Wake DMCUB before sending a command", "affected": [{"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "65138eb72e1fc687be49932b9a45325598ffa01c", "lessThan": "303197775a97416b62d4da69280d0c120a20e009", "versionType": "git"}, {"status": "affected", "version": "65138eb72e1fc687be49932b9a45325598ffa01c", "lessThan": "8892780834ae294bc3697c7d0e056d7743900b39", "versionType": "git"}], "programFiles": ["drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c", "drivers/gpu/drm/amd/display/dc/bios/command_table2.c", "drivers/gpu/drm/amd/display/dc/clk_mgr/dcn31/dcn31_clk_mgr.c", "drivers/gpu/drm/amd/display/dc/clk_mgr/dcn314/dcn314_clk_mgr.c", "drivers/gpu/drm/amd/display/dc/clk_mgr/dcn315/dcn315_clk_mgr.c", "drivers/gpu/drm/amd/display/dc/clk_mgr/dcn316/dcn316_clk_mgr.c", "drivers/gpu/drm/amd/display/dc/clk_mgr/dcn35/dcn35_clk_mgr.c", "drivers/gpu/drm/amd/display/dc/core/dc.c", "drivers/gpu/drm/amd/display/dc/core/dc_hw_sequencer.c", "drivers/gpu/drm/amd/display/dc/dc_dmub_srv.c", "drivers/gpu/drm/amd/display/dc/dc_dmub_srv.h", "drivers/gpu/drm/amd/display/dc/dc_helper.c", "drivers/gpu/drm/amd/display/dc/dce/dmub_abm_lcd.c", "drivers/gpu/drm/amd/display/dc/dce/dmub_hw_lock_mgr.c", "drivers/gpu/drm/amd/display/dc/dce/dmub_outbox.c", "drivers/gpu/drm/amd/display/dc/dce/dmub_psr.c", "drivers/gpu/drm/amd/display/dc/dcn21/dcn21_hubp.c", "drivers/gpu/drm/amd/display/dc/dcn31/dcn31_dio_link_encoder.c", "drivers/gpu/drm/amd/display/dc/dcn31/dcn31_panel_cntl.c", "drivers/gpu/drm/amd/display/dc/hwss/dcn21/dcn21_hwseq.c", "drivers/gpu/drm/amd/display/dc/hwss/dcn30/dcn30_hwseq.c", "drivers/gpu/drm/amd/display/dc/hwss/dcn31/dcn31_hwseq.c", "drivers/gpu/drm/amd/display/dc/hwss/dcn32/dcn32_hwseq.c", "drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_capability.c", "drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_dpia.c"], "defaultStatus": "unaffected"}, {"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "6.7"}, {"status": "unaffected", "version": "0", "lessThan": "6.7", "versionType": "semver"}, {"status": "unaffected", "version": "6.7.3", "versionType": "semver", "lessThanOrEqual": "6.7.*"}, {"status": "unaffected", "version": "6.8", "versionType": "original_commit_for_fix", "lessThanOrEqual": "*"}], "programFiles": ["drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c", "drivers/gpu/drm/amd/display/dc/bios/command_table2.c", "drivers/gpu/drm/amd/display/dc/clk_mgr/dcn31/dcn31_clk_mgr.c", "drivers/gpu/drm/amd/display/dc/clk_mgr/dcn314/dcn314_clk_mgr.c", "drivers/gpu/drm/amd/display/dc/clk_mgr/dcn315/dcn315_clk_mgr.c", "drivers/gpu/drm/amd/display/dc/clk_mgr/dcn316/dcn316_clk_mgr.c", "drivers/gpu/drm/amd/display/dc/clk_mgr/dcn35/dcn35_clk_mgr.c", "drivers/gpu/drm/amd/display/dc/core/dc.c", "drivers/gpu/drm/amd/display/dc/core/dc_hw_sequencer.c", "drivers/gpu/drm/amd/display/dc/dc_dmub_srv.c", "drivers/gpu/drm/amd/display/dc/dc_dmub_srv.h", "drivers/gpu/drm/amd/display/dc/dc_helper.c", "drivers/gpu/drm/amd/display/dc/dce/dmub_abm_lcd.c", "drivers/gpu/drm/amd/display/dc/dce/dmub_hw_lock_mgr.c", "drivers/gpu/drm/amd/display/dc/dce/dmub_outbox.c", "drivers/gpu/drm/amd/display/dc/dce/dmub_psr.c", "drivers/gpu/drm/amd/display/dc/dcn21/dcn21_hubp.c", "drivers/gpu/drm/amd/display/dc/dcn31/dcn31_dio_link_encoder.c", "drivers/gpu/drm/amd/display/dc/dcn31/dcn31_panel_cntl.c", "drivers/gpu/drm/amd/display/dc/hwss/dcn21/dcn21_hwseq.c", "drivers/gpu/drm/amd/display/dc/hwss/dcn30/dcn30_hwseq.c", "drivers/gpu/drm/amd/display/dc/hwss/dcn31/dcn31_hwseq.c", "drivers/gpu/drm/amd/display/dc/hwss/dcn32/dcn32_hwseq.c", "drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_capability.c", "drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_dpia.c"], "defaultStatus": "affected"}], "references": [{"url": "https://git.kernel.org/stable/c/303197775a97416b62d4da69280d0c120a20e009"}, {"url": "https://git.kernel.org/stable/c/8892780834ae294bc3697c7d0e056d7743900b39"}], "x_generator": {"engine": "bippy-1.2.0"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amd/display: Wake DMCUB before sending a command\n\n[Why]\nWe can hang in place trying to send commands when the DMCUB isn't\npowered on.\n\n[How]\nFor functions that execute within a DC context or DC lock we can\nwrap the direct calls to dm_execute_dmub_cmd/list with code that\nexits idle power optimizations and reallows once we're done with\nthe command submission on success.\n\nFor DM direct submissions the DM will need to manage the enter/exit\nsequencing manually.\n\nWe cannot invoke a DMCUB command directly within the DM execution\nhelper or we can deadlock."}], "cpeApplicability": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.7.3", "versionStartIncluding": "6.7"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.8", "versionStartIncluding": "6.7"}], "operator": "OR"}]}], "providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-08-15T12:23:52.004Z"}}}, "cveMetadata": {"cveId": "CVE-2023-52485", "state": "PUBLISHED", "dateUpdated": "2026-08-15T12:23:52.004Z", "dateReserved": "2024-02-20T12:30:33.301Z", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "datePublished": "2024-02-29T14:57:51.179Z", "assignerShortName": "Linux"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c", "drivers/gpu/drm/amd/display/dc/bios/command_table2.c", "drivers/gpu/drm/amd/display/dc/clk_mgr/dcn31/dcn31_clk_mgr.c", "drivers/gpu/drm/amd/display/dc/clk_mgr/dcn314/dcn314_clk_mgr.c", "drivers/gpu/drm/amd/display/dc/clk_mgr/dcn315/dcn315_clk_mgr.c", "drivers/gpu/drm/amd/display/dc/clk_mgr/dcn316/dcn316_clk_mgr.c", "drivers/gpu/drm/amd/display/dc/clk_mgr/dcn35/dcn35_clk_mgr.c", "drivers/gpu/drm/amd/display/dc/core/dc.c", "drivers/gpu/drm/amd/display/dc/core/dc_hw_sequencer.c", "drivers/gpu/drm/amd/display/dc/dc_dmub_srv.c", "drivers/gpu/drm/amd/display/dc/dc_dmub_srv.h", "drivers/gpu/drm/amd/display/dc/dc_helper.c", "drivers/gpu/drm/amd/display/dc/dce/dmub_abm_lcd.c", "drivers/gpu/drm/amd/display/dc/dce/dmub_hw_lock_mgr.c", "drivers/gpu/drm/amd/display/dc/dce/dmub_outbox.c", "drivers/gpu/drm/amd/display/dc/dce/dmub_psr.c", "drivers/gpu/drm/amd/display/dc/dcn21/dcn21_hubp.c", "drivers/gpu/drm/amd/display/dc/dcn31/dcn31_dio_link_encoder.c", "drivers/gpu/drm/amd/display/dc/dcn31/dcn31_panel_cntl.c", "drivers/gpu/drm/amd/display/dc/hwss/dcn21/dcn21_hwseq.c", "drivers/gpu/drm/amd/display/dc/hwss/dcn30/dcn30_hwseq.c", "drivers/gpu/drm/amd/display/dc/hwss/dcn31/dcn31_hwseq.c", "drivers/gpu/drm/amd/display/dc/hwss/dcn32/dcn32_hwseq.c", "drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_capability.c", "drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_dpia.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "303197775a97416b62d4da69280d0c120a20e009", "status": "affected", "version": "65138eb72e1fc687be49932b9a45325598ffa01c", "versionType": "git"}, {"lessThan": "8892780834ae294bc3697c7d0e056d7743900b39", "status": "affected", "version": "65138eb72e1fc687be49932b9a45325598ffa01c", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c", "drivers/gpu/drm/amd/display/dc/bios/command_table2.c", "drivers/gpu/drm/amd/display/dc/clk_mgr/dcn31/dcn31_clk_mgr.c", "drivers/gpu/drm/amd/display/dc/clk_mgr/dcn314/dcn314_clk_mgr.c", "drivers/gpu/drm/amd/display/dc/clk_mgr/dcn315/dcn315_clk_mgr.c", "drivers/gpu/drm/amd/display/dc/clk_mgr/dcn316/dcn316_clk_mgr.c", "drivers/gpu/drm/amd/display/dc/clk_mgr/dcn35/dcn35_clk_mgr.c", "drivers/gpu/drm/amd/display/dc/core/dc.c", "drivers/gpu/drm/amd/display/dc/core/dc_hw_sequencer.c", "drivers/gpu/drm/amd/display/dc/dc_dmub_srv.c", "drivers/gpu/drm/amd/display/dc/dc_dmub_srv.h", "drivers/gpu/drm/amd/display/dc/dc_helper.c", "drivers/gpu/drm/amd/display/dc/dce/dmub_abm_lcd.c", "drivers/gpu/drm/amd/display/dc/dce/dmub_hw_lock_mgr.c", "drivers/gpu/drm/amd/display/dc/dce/dmub_outbox.c", "drivers/gpu/drm/amd/display/dc/dce/dmub_psr.c", "drivers/gpu/drm/amd/display/dc/dcn21/dcn21_hubp.c", "drivers/gpu/drm/amd/display/dc/dcn31/dcn31_dio_link_encoder.c", "drivers/gpu/drm/amd/display/dc/dcn31/dcn31_panel_cntl.c", "drivers/gpu/drm/amd/display/dc/hwss/dcn21/dcn21_hwseq.c", "drivers/gpu/drm/amd/display/dc/hwss/dcn30/dcn30_hwseq.c", "drivers/gpu/drm/amd/display/dc/hwss/dcn31/dcn31_hwseq.c", "drivers/gpu/drm/amd/display/dc/hwss/dcn32/dcn32_hwseq.c", "drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_capability.c", "drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_dpia.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "6.7"}, {"lessThan": "6.7", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "6.7.*", "status": "unaffected", "version": "6.7.3", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "6.8", "versionType": "original_commit_for_fix"}]}], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "F13B1885-F67C-4943-BD88-9B68D2C3FF83", "versionEndExcluding": "6.7.3", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amd/display: Wake DMCUB before sending a command\n\n[Why]\nWe can hang in place trying to send commands when the DMCUB isn't\npowered on.\n\n[How]\nFor functions that execute within a DC context or DC lock we can\nwrap the direct calls to dm_execute_dmub_cmd/list with code that\nexits idle power optimizations and reallows once we're done with\nthe command submission on success.\n\nFor DM direct submissions the DM will need to manage the enter/exit\nsequencing manually.\n\nWe cannot invoke a DMCUB command directly within the DM execution\nhelper or we can deadlock."}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: drm/amd/display: activa DMCUB antes de enviar un comando [Por qu\u00e9] Podemos quedarnos quietos intentando enviar comandos cuando DMCUB no est\u00e1 encendido. [C\u00f3mo] Para funciones que se ejecutan dentro de un contexto de DC o bloqueo de DC, podemos ajustar las llamadas directas a dm_execute_dmub_cmd/list con c\u00f3digo que salga de las optimizaciones de energ\u00eda inactivas y se vuelva a permitir una vez que hayamos terminado con el env\u00edo del comando en caso de \u00e9xito. Para env\u00edos directos de DM, el DM deber\u00e1 gestionar la secuencia de entrada/salida manualmente. No podemos invocar un comando DMCUB directamente dentro del asistente de ejecuci\u00f3n de DM o podemos bloquearnos."}], "id": "CVE-2023-52485", "lastModified": "2026-08-15T13:17:44.910", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2023-52485", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2024-03-05T22:17:04.458995Z", "version": "2.0.3"}}]}, "published": "2024-02-29T15:15:07.397", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/303197775a97416b62d4da69280d0c120a20e009"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/8892780834ae294bc3697c7d0e056d7743900b39"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/303197775a97416b62d4da69280d0c120a20e009"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/8892780834ae294bc3697c7d0e056d7743900b39"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "NVD-CWE-noinfo"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: drm/amd/display: Wake DMCUB before sending a command cause deadlock", "id": "2267195", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2267195"}, "csaw": false, "cvss3": {"cvss3_base_score": "4.4", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-833", "details": ["In the Linux kernel, the following vulnerability has been resolved:\ndrm/amd/display: Wake DMCUB before sending a command\n[Why]\nWe can hang in place trying to send commands when the DMCUB isn't\npowered on.\n[How]\nFor functions that execute within a DC context or DC lock we can\nwrap the direct calls to dm_execute_dmub_cmd/list with code that\nexits idle power optimizations and reallows once we're done with\nthe command submission on success.\nFor DM direct submissions the DM will need to manage the enter/exit\nsequencing manually.\nWe cannot invoke a DMCUB command directly within the DM execution\nhelper or we can deadlock."], "name": "CVE-2023-52485", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Out of support scope", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2024-02-29T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2023-52485\nhttps://nvd.nist.gov/vuln/detail/CVE-2023-52485\nhttps://lore.kernel.org/linux-cve-announce/20240229150009.1525992-2-lee@kernel.org/T/#u"], "threat_severity": "Low"}

{}