{"api_version":"1","generated_at":"2026-06-25T02:56:51+00:00","cve":"CVE-2026-53058","urls":{"html":"https://cve.report/CVE-2026-53058","api":"https://cve.report/api/cve/CVE-2026-53058.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-53058","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-53058"},"summary":{"title":"drm/bridge: cadence: cdns-mhdp8546-core: Set the mhdp connector earlier in atomic_enable()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/bridge: cadence: cdns-mhdp8546-core: Set the mhdp connector earlier in atomic_enable()\n\nIn case if we get errors in cdns_mhdp_link_up() or cdns_mhdp_reg_read()\nin atomic_enable, we will go to cdns_mhdp_modeset_retry_fn() and will hit\nNULL pointer while trying to access the mutex. We need the connector to\nbe set before that. Unlike in legacy cases with flag\n!DRM_BRIDGE_ATTACH_NO_CONNECTOR, we do not have connector initialised\nin bridge_attach(), so add the mhdp->connector_ptr in device structure\nto handle both cases with DRM_BRIDGE_ATTACH_NO_CONNECTOR and\n!DRM_BRIDGE_ATTACH_NO_CONNECTOR, set it in atomic_enable() earlier to\navoid possible NULL pointer dereference in recovery paths like\nmodeset_retry_fn() with the DRM_BRIDGE_ATTACH_NO_CONNECTOR flag set.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-06-24 17:17:18","updated_at":"2026-06-24 17:17:18"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/5302015daf26ef6b48e067f2b86c9482ac19e015","name":"https://git.kernel.org/stable/c/5302015daf26ef6b48e067f2b86c9482ac19e015","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/a3611554e599d1a24b45fd8415bacb72ce861e4b","name":"https://git.kernel.org/stable/c/a3611554e599d1a24b45fd8415bacb72ce861e4b","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/43d6508ddbf9fb974fbc359a033154f78c9d4c8b","name":"https://git.kernel.org/stable/c/43d6508ddbf9fb974fbc359a033154f78c9d4c8b","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/1af3b42e08a957e53bab8e1897393fe0a27d9fbf","name":"https://git.kernel.org/stable/c/1af3b42e08a957e53bab8e1897393fe0a27d9fbf","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/cf2ac2cac8b319f89b3a3851ca0c5ffb6a549575","name":"https://git.kernel.org/stable/c/cf2ac2cac8b319f89b3a3851ca0c5ffb6a549575","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-53058","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-53058","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected c932ced6b58524eeb948ff252f6512cd6bcb9d9f 5302015daf26ef6b48e067f2b86c9482ac19e015 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected c932ced6b58524eeb948ff252f6512cd6bcb9d9f a3611554e599d1a24b45fd8415bacb72ce861e4b git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected c932ced6b58524eeb948ff252f6512cd6bcb9d9f cf2ac2cac8b319f89b3a3851ca0c5ffb6a549575 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected c932ced6b58524eeb948ff252f6512cd6bcb9d9f 1af3b42e08a957e53bab8e1897393fe0a27d9fbf git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected c932ced6b58524eeb948ff252f6512cd6bcb9d9f 43d6508ddbf9fb974fbc359a033154f78c9d4c8b git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 6.6","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.6 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.6.141 6.6.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.12.91 6.12.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.18.33 6.18.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.0.10 7.0.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.1 * original_commit_for_fix","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["drivers/gpu/drm/bridge/cadence/cdns-mhdp8546-core.c","drivers/gpu/drm/bridge/cadence/cdns-mhdp8546-core.h","drivers/gpu/drm/bridge/cadence/cdns-mhdp8546-hdcp.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"5302015daf26ef6b48e067f2b86c9482ac19e015","status":"affected","version":"c932ced6b58524eeb948ff252f6512cd6bcb9d9f","versionType":"git"},{"lessThan":"a3611554e599d1a24b45fd8415bacb72ce861e4b","status":"affected","version":"c932ced6b58524eeb948ff252f6512cd6bcb9d9f","versionType":"git"},{"lessThan":"cf2ac2cac8b319f89b3a3851ca0c5ffb6a549575","status":"affected","version":"c932ced6b58524eeb948ff252f6512cd6bcb9d9f","versionType":"git"},{"lessThan":"1af3b42e08a957e53bab8e1897393fe0a27d9fbf","status":"affected","version":"c932ced6b58524eeb948ff252f6512cd6bcb9d9f","versionType":"git"},{"lessThan":"43d6508ddbf9fb974fbc359a033154f78c9d4c8b","status":"affected","version":"c932ced6b58524eeb948ff252f6512cd6bcb9d9f","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/gpu/drm/bridge/cadence/cdns-mhdp8546-core.c","drivers/gpu/drm/bridge/cadence/cdns-mhdp8546-core.h","drivers/gpu/drm/bridge/cadence/cdns-mhdp8546-hdcp.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"6.6"},{"lessThan":"6.6","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.6.*","status":"unaffected","version":"6.6.141","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.91","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.33","versionType":"semver"},{"lessThanOrEqual":"7.0.*","status":"unaffected","version":"7.0.10","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.1","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.6.141","versionStartIncluding":"6.6","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.12.91","versionStartIncluding":"6.6","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.33","versionStartIncluding":"6.6","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.0.10","versionStartIncluding":"6.6","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.1","versionStartIncluding":"6.6","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/bridge: cadence: cdns-mhdp8546-core: Set the mhdp connector earlier in atomic_enable()\n\nIn case if we get errors in cdns_mhdp_link_up() or cdns_mhdp_reg_read()\nin atomic_enable, we will go to cdns_mhdp_modeset_retry_fn() and will hit\nNULL pointer while trying to access the mutex. We need the connector to\nbe set before that. Unlike in legacy cases with flag\n!DRM_BRIDGE_ATTACH_NO_CONNECTOR, we do not have connector initialised\nin bridge_attach(), so add the mhdp->connector_ptr in device structure\nto handle both cases with DRM_BRIDGE_ATTACH_NO_CONNECTOR and\n!DRM_BRIDGE_ATTACH_NO_CONNECTOR, set it in atomic_enable() earlier to\navoid possible NULL pointer dereference in recovery paths like\nmodeset_retry_fn() with the DRM_BRIDGE_ATTACH_NO_CONNECTOR flag set."}],"providerMetadata":{"dateUpdated":"2026-06-24T16:30:03.463Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/5302015daf26ef6b48e067f2b86c9482ac19e015"},{"url":"https://git.kernel.org/stable/c/a3611554e599d1a24b45fd8415bacb72ce861e4b"},{"url":"https://git.kernel.org/stable/c/cf2ac2cac8b319f89b3a3851ca0c5ffb6a549575"},{"url":"https://git.kernel.org/stable/c/1af3b42e08a957e53bab8e1897393fe0a27d9fbf"},{"url":"https://git.kernel.org/stable/c/43d6508ddbf9fb974fbc359a033154f78c9d4c8b"}],"title":"drm/bridge: cadence: cdns-mhdp8546-core: Set the mhdp connector earlier in atomic_enable()","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-53058","datePublished":"2026-06-24T16:30:03.463Z","dateReserved":"2026-06-09T07:44:35.381Z","dateUpdated":"2026-06-24T16:30:03.463Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-06-24 17:17:18","lastModifiedDate":"2026-06-24 17:17:18","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"53058","Ordinal":"1","Title":"drm/bridge: cadence: cdns-mhdp8546-core: Set the mhdp connector ","CVE":"CVE-2026-53058","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"53058","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/bridge: cadence: cdns-mhdp8546-core: Set the mhdp connector earlier in atomic_enable()\n\nIn case if we get errors in cdns_mhdp_link_up() or cdns_mhdp_reg_read()\nin atomic_enable, we will go to cdns_mhdp_modeset_retry_fn() and will hit\nNULL pointer while trying to access the mutex. We need the connector to\nbe set before that. Unlike in legacy cases with flag\n!DRM_BRIDGE_ATTACH_NO_CONNECTOR, we do not have connector initialised\nin bridge_attach(), so add the mhdp->connector_ptr in device structure\nto handle both cases with DRM_BRIDGE_ATTACH_NO_CONNECTOR and\n!DRM_BRIDGE_ATTACH_NO_CONNECTOR, set it in atomic_enable() earlier to\navoid possible NULL pointer dereference in recovery paths like\nmodeset_retry_fn() with the DRM_BRIDGE_ATTACH_NO_CONNECTOR flag set.","Type":"Description","Title":"drm/bridge: cadence: cdns-mhdp8546-core: Set the mhdp connector "}]}}}