{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-53058", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-06-09T07:44:35.381Z", "datePublished": "2026-06-24T16:30:03.463Z", "dateUpdated": "2026-06-24T16:30:03.463Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-06-24T16:30:03.463Z"}, "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."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "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"], "versions": [{"version": "c932ced6b58524eeb948ff252f6512cd6bcb9d9f", "lessThan": "5302015daf26ef6b48e067f2b86c9482ac19e015", "status": "affected", "versionType": "git"}, {"version": "c932ced6b58524eeb948ff252f6512cd6bcb9d9f", "lessThan": "a3611554e599d1a24b45fd8415bacb72ce861e4b", "status": "affected", "versionType": "git"}, {"version": "c932ced6b58524eeb948ff252f6512cd6bcb9d9f", "lessThan": "cf2ac2cac8b319f89b3a3851ca0c5ffb6a549575", "status": "affected", "versionType": "git"}, {"version": "c932ced6b58524eeb948ff252f6512cd6bcb9d9f", "lessThan": "1af3b42e08a957e53bab8e1897393fe0a27d9fbf", "status": "affected", "versionType": "git"}, {"version": "c932ced6b58524eeb948ff252f6512cd6bcb9d9f", "lessThan": "43d6508ddbf9fb974fbc359a033154f78c9d4c8b", "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/bridge/cadence/cdns-mhdp8546-core.c", "drivers/gpu/drm/bridge/cadence/cdns-mhdp8546-core.h", "drivers/gpu/drm/bridge/cadence/cdns-mhdp8546-hdcp.c"], "versions": [{"version": "6.6", "status": "affected"}, {"version": "0", "lessThan": "6.6", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.141", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.91", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.33", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.0.10", "lessThanOrEqual": "7.0.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.1", "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": "6.6", "versionEndExcluding": "6.6.141"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.6", "versionEndExcluding": "6.12.91"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.6", "versionEndExcluding": "6.18.33"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.6", "versionEndExcluding": "7.0.10"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.6", "versionEndExcluding": "7.1"}]}]}], "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"}}}}

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