{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-31655", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-03-09T15:48:24.129Z", "datePublished": "2026-04-24T14:45:07.085Z", "dateUpdated": "2026-04-24T14:45:07.085Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-04-24T14:45:07.085Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\npmdomain: imx8mp-blk-ctrl: Keep the NOC_HDCP clock enabled\n\nKeep the NOC_HDCP clock always enabled to fix the potential hang\ncaused by the NoC ADB400 port power down handshake."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/pmdomain/imx/imx8mp-blk-ctrl.c"], "versions": [{"version": "77b0ddb42add47748c661f714e6f4b116a6e8759", "lessThan": "80fd0de89805a3f92dc320f5ab5a18007c260374", "status": "affected", "versionType": "git"}, {"version": "77b0ddb42add47748c661f714e6f4b116a6e8759", "lessThan": "3086374e8bc7fd65f2cc62ef52351c6d662f1543", "status": "affected", "versionType": "git"}, {"version": "77b0ddb42add47748c661f714e6f4b116a6e8759", "lessThan": "e44919669f07b8f113ad49a248b44ca4f119bc94", "status": "affected", "versionType": "git"}, {"version": "77b0ddb42add47748c661f714e6f4b116a6e8759", "lessThan": "d1ef779d02b5df4e8bff4083b20bfea587b43c4b", "status": "affected", "versionType": "git"}, {"version": "77b0ddb42add47748c661f714e6f4b116a6e8759", "lessThan": "e91d5f94acf68618ea3ad9c92ac28614e791ae7d", "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/pmdomain/imx/imx8mp-blk-ctrl.c"], "versions": [{"version": "6.1", "status": "affected"}, {"version": "0", "lessThan": "6.1", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.135", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.82", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.23", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.19.13", "lessThanOrEqual": "6.19.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.0", "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": "6.1", "versionEndExcluding": "6.6.135"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.1", "versionEndExcluding": "6.12.82"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.1", "versionEndExcluding": "6.18.23"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.1", "versionEndExcluding": "6.19.13"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.1", "versionEndExcluding": "7.0"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/80fd0de89805a3f92dc320f5ab5a18007c260374"}, {"url": "https://git.kernel.org/stable/c/3086374e8bc7fd65f2cc62ef52351c6d662f1543"}, {"url": "https://git.kernel.org/stable/c/e44919669f07b8f113ad49a248b44ca4f119bc94"}, {"url": "https://git.kernel.org/stable/c/d1ef779d02b5df4e8bff4083b20bfea587b43c4b"}, {"url": "https://git.kernel.org/stable/c/e91d5f94acf68618ea3ad9c92ac28614e791ae7d"}], "title": "pmdomain: imx8mp-blk-ctrl: Keep the NOC_HDCP clock enabled", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\npmdomain: imx8mp-blk-ctrl: Keep the NOC_HDCP clock enabled\n\nKeep the NOC_HDCP clock always enabled to fix the potential hang\ncaused by the NoC ADB400 port power down handshake."}], "id": "CVE-2026-31655", "lastModified": "2026-04-24T17:51:40.810", "metrics": {}, "published": "2026-04-24T15:16:44.993", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/3086374e8bc7fd65f2cc62ef52351c6d662f1543"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/80fd0de89805a3f92dc320f5ab5a18007c260374"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/d1ef779d02b5df4e8bff4083b20bfea587b43c4b"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/e44919669f07b8f113ad49a248b44ca4f119bc94"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/e91d5f94acf68618ea3ad9c92ac28614e791ae7d"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Awaiting Analysis"}

{"bugzilla": {"description": "kernel: pmdomain: imx8mp-blk-ctrl: Keep the NOC_HDCP clock enabled", "id": "2461537", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2461537"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.5", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-413", "details": ["A flaw was found in the Linux kernel. This vulnerability occurs because the NOC_HDCP clock, which is part of the `pmdomain: imx8mp-blk-ctrl` module, is not consistently enabled. This can disrupt the NoC ADB400 port power down handshake, potentially leading to a system hang. The primary impact is a Denial of Service (DoS), where the system becomes unresponsive."], "name": "CVE-2026-31655", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "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": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2026-04-24T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-31655\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-31655\nhttps://lore.kernel.org/linux-cve-announce/2026042401-CVE-2026-31655-17ab@gregkh/T"], "threat_severity": "Low"}

{}