{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2022-50820", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-12-30T12:06:07.131Z", "datePublished": "2025-12-30T12:08:34.894Z", "dateUpdated": "2025-12-30T12:08:34.894Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2025-12-30T12:08:34.894Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nperf/arm_dmc620: Fix hotplug callback leak in dmc620_pmu_init()\n\ndmc620_pmu_init() won't remove the callback added by\ncpuhp_setup_state_multi() when platform_driver_register() failed. Remove\nthe callback by cpuhp_remove_multi_state() in fail path.\n\nSimilar to the handling of arm_ccn_init() in commit 26242b330093 (\"bus:\narm-ccn: Prevent hotplug callback leak\")"}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/perf/arm_dmc620_pmu.c"], "versions": [{"version": "53c218da220c3619b5befec4674ffa35d590092a", "lessThan": "b99fbe8d949a99fe456f08c7aad421327685aa50", "status": "affected", "versionType": "git"}, {"version": "53c218da220c3619b5befec4674ffa35d590092a", "lessThan": "af170afa97e50d4169cfaa7ff4ec5d3841182641", "status": "affected", "versionType": "git"}, {"version": "53c218da220c3619b5befec4674ffa35d590092a", "lessThan": "adf7c3bbcc819db6e95b6a61c9822230f0ef4778", "status": "affected", "versionType": "git"}, {"version": "53c218da220c3619b5befec4674ffa35d590092a", "lessThan": "d9f564c966e63925aac4ba273a9319d7fb6f4b4e", "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/perf/arm_dmc620_pmu.c"], "versions": [{"version": "5.11", "status": "affected"}, {"version": "0", "lessThan": "5.11", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.86", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.0.16", "lessThanOrEqual": "6.0.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.2", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.2", "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": "5.11", "versionEndExcluding": "5.15.86"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.11", "versionEndExcluding": "6.0.16"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.11", "versionEndExcluding": "6.1.2"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.11", "versionEndExcluding": "6.2"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/b99fbe8d949a99fe456f08c7aad421327685aa50"}, {"url": "https://git.kernel.org/stable/c/af170afa97e50d4169cfaa7ff4ec5d3841182641"}, {"url": "https://git.kernel.org/stable/c/adf7c3bbcc819db6e95b6a61c9822230f0ef4778"}, {"url": "https://git.kernel.org/stable/c/d9f564c966e63925aac4ba273a9319d7fb6f4b4e"}], "title": "perf/arm_dmc620: Fix hotplug callback leak in dmc620_pmu_init()", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nperf/arm_dmc620: Fix hotplug callback leak in dmc620_pmu_init()\n\ndmc620_pmu_init() won't remove the callback added by\ncpuhp_setup_state_multi() when platform_driver_register() failed. Remove\nthe callback by cpuhp_remove_multi_state() in fail path.\n\nSimilar to the handling of arm_ccn_init() in commit 26242b330093 (\"bus:\narm-ccn: Prevent hotplug callback leak\")"}], "id": "CVE-2022-50820", "lastModified": "2025-12-31T20:43:05.160", "metrics": {}, "published": "2025-12-30T13:15:56.417", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/adf7c3bbcc819db6e95b6a61c9822230f0ef4778"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/af170afa97e50d4169cfaa7ff4ec5d3841182641"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/b99fbe8d949a99fe456f08c7aad421327685aa50"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/d9f564c966e63925aac4ba273a9319d7fb6f4b4e"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Awaiting Analysis"}

{"bugzilla": {"description": "kernel: perf/arm_dmc620: Fix hotplug callback leak in dmc620_pmu_init()", "id": "2426176", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2426176"}, "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"}, "details": ["No description is available for this CVE."], "name": "CVE-2022-50820", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Not affected", "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": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Fix deferred", "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": "2025-12-30T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2022-50820\nhttps://nvd.nist.gov/vuln/detail/CVE-2022-50820\nhttps://lore.kernel.org/linux-cve-announce/2025123016-CVE-2022-50820-c3d9@gregkh/T"], "threat_severity": "Low"}

{}