{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2023-52634", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2024-03-06T09:52:12.092Z", "datePublished": "2024-04-02T06:49:12.413Z", "dateUpdated": "2026-05-11T19:30:45.589Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-11T19:30:45.589Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amd/display: Fix disable_otg_wa logic\n\n[Why]\nWhen switching to another HDMI mode, we are unnecesarilly\ndisabling/enabling FIFO causing both HPO and DIG registers to be set at\nthe same time when only HPO is supposed to be set.\n\nThis can lead to a system hang the next time we change refresh rates as\nthere are cases when we don't disable OTG/FIFO but FIFO is enabled when\nit isn't supposed to be.\n\n[How]\nRemoving the enable/disable FIFO entirely."}], "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/clk_mgr/dcn35/dcn35_clk_mgr.c"], "versions": [{"version": "8774029f76b9806f2f3586bb0502408076767fd5", "lessThan": "ce29728ef6485a367934cc100249c66dd3cde5b6", "status": "affected", "versionType": "git"}, {"version": "8774029f76b9806f2f3586bb0502408076767fd5", "lessThan": "2ce156482a6fef349d2eba98e5070c412d3af662", "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/clk_mgr/dcn35/dcn35_clk_mgr.c"], "versions": [{"version": "6.7", "status": "affected"}, {"version": "0", "lessThan": "6.7", "status": "unaffected", "versionType": "semver"}, {"version": "6.7.4", "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": "6.7.4"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.7", "versionEndExcluding": "6.8"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/ce29728ef6485a367934cc100249c66dd3cde5b6"}, {"url": "https://git.kernel.org/stable/c/2ce156482a6fef349d2eba98e5070c412d3af662"}], "title": "drm/amd/display: Fix disable_otg_wa logic", "x_generator": {"engine": "bippy-1.2.0"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2024-04-02T18:29:45.011752Z", "id": "CVE-2023-52634", "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": "2024-11-06T21:28:40.378Z"}}, {"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-02T23:03:21.367Z"}, "title": "CVE Program Container", "references": [{"url": "https://git.kernel.org/stable/c/ce29728ef6485a367934cc100249c66dd3cde5b6", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/2ce156482a6fef349d2eba98e5070c412d3af662", "tags": ["x_transferred"]}]}]}}

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{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "700BC119-5E42-40C5-98D6-59BFBDFAB9A9", "versionEndExcluding": "6.7.4", "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: Fix disable_otg_wa logic\n\n[Why]\nWhen switching to another HDMI mode, we are unnecesarilly\ndisabling/enabling FIFO causing both HPO and DIG registers to be set at\nthe same time when only HPO is supposed to be set.\n\nThis can lead to a system hang the next time we change refresh rates as\nthere are cases when we don't disable OTG/FIFO but FIFO is enabled when\nit isn't supposed to be.\n\n[How]\nRemoving the enable/disable FIFO entirely."}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: drm/amd/display: corrige la l\u00f3gica enable_otg_wa [Por qu\u00e9] Cuando cambiamos a otro modo HDMI, deshabilitamos/habilitamos FIFO innecesariamente, lo que hace que los registros HPO y DIG se configuren al mismo tiempo. momento en el que se supone que s\u00f3lo se debe configurar HPO. Esto puede provocar que el sistema se cuelgue la pr\u00f3xima vez que cambiemos las frecuencias de actualizaci\u00f3n, ya que hay casos en los que no deshabilitamos OTG/FIFO pero FIFO est\u00e1 habilitado cuando no deber\u00eda estarlo. [C\u00f3mo] Eliminar completamente la activaci\u00f3n/desactivaci\u00f3n de FIFO."}], "id": "CVE-2023-52634", "lastModified": "2025-03-17T15:17:36.907", "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"}]}, "published": "2024-04-02T07:15:41.177", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/2ce156482a6fef349d2eba98e5070c412d3af662"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/ce29728ef6485a367934cc100249c66dd3cde5b6"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/2ce156482a6fef349d2eba98e5070c412d3af662"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/ce29728ef6485a367934cc100249c66dd3cde5b6"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "NVD-CWE-noinfo"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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{}