{"id":"CVE-2022-50510","title":"perf/smmuv3: Fix hotplug callback leak in arm_smmu_pmu_init()","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\nperf/smmuv3: Fix hotplug callback leak in arm_smmu_pmu_init()\n\narm_smmu_pmu_init() won't remove the callback added by\ncpuhp_setup_state_multi() when platform_driver_reg…","severity":"none","vendor":"Linux","product":"Linux","affected":["Linux >= 7d839b4b9e00645e49345d6ce5dfa8edf53c1a21 < d69bdb61d577297d3851fc9f6403574bf73ef41f","Linux >= 7d839b4b9e00645e49345d6ce5dfa8edf53c1a21 < 359286f886feef38536eaa7e673dc3440f03b0a1","Linux >= 7d839b4b9e00645e49345d6ce5dfa8edf53c1a21 < b131304fe722853cf26e55c4fa21fc58a36e7f21","Linux >= 7d839b4b9e00645e49345d6ce5dfa8edf53c1a21 < f245ca9a0fe7f794a8187ad803d5e2ced5a11cb2","Linux >= 7d839b4b9e00645e49345d6ce5dfa8edf53c1a21 < 582babe17ea878ec1d76f30e03f3a6ce6e30eb91","Linux >= 7d839b4b9e00645e49345d6ce5dfa8edf53c1a21 < 6f2d566b46436a50a80d6445e82879686b89588c","Linux 5.2"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-11-05T20:12:41.737044Z"},"published":"2025-10-07","updated":"2026-11-05","sourceUpdated":"2026-11-05T20:20:50.054Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2022-50510","references":[{"url":"https://git.kernel.org/stable/c/d69bdb61d577297d3851fc9f6403574bf73ef41f"},{"url":"https://git.kernel.org/stable/c/359286f886feef38536eaa7e673dc3440f03b0a1"},{"url":"https://git.kernel.org/stable/c/b131304fe722853cf26e55c4fa21fc58a36e7f21"},{"url":"https://git.kernel.org/stable/c/f245ca9a0fe7f794a8187ad803d5e2ced5a11cb2"},{"url":"https://git.kernel.org/stable/c/582babe17ea878ec1d76f30e03f3a6ce6e30eb91"},{"url":"https://git.kernel.org/stable/c/6f2d566b46436a50a80d6445e82879686b89588c"}],"tags":["cve.org"],"epss":0.0016,"epssPercentile":0.05148,"ingestedAt":"2026-11-05T22:38:31.744Z","slug":"CVE-2022-50510","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nperf/smmuv3: Fix hotplug callback leak in arm_smmu_pmu_init()\n\narm_smmu_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\")\n\n## Affected\n\n- `Linux >= 7d839b4b9e00645e49345d6ce5dfa8edf53c1a21 < d69bdb61d577297d3851fc9f6403574bf73ef41f`\n- `Linux >= 7d839b4b9e00645e49345d6ce5dfa8edf53c1a21 < 359286f886feef38536eaa7e673dc3440f03b0a1`\n- `Linux >= 7d839b4b9e00645e49345d6ce5dfa8edf53c1a21 < b131304fe722853cf26e55c4fa21fc58a36e7f21`\n- `Linux >= 7d839b4b9e00645e49345d6ce5dfa8edf53c1a21 < f245ca9a0fe7f794a8187ad803d5e2ced5a11cb2`\n- `Linux >= 7d839b4b9e00645e49345d6ce5dfa8edf53c1a21 < 582babe17ea878ec1d76f30e03f3a6ce6e30eb91`\n- `Linux >= 7d839b4b9e00645e49345d6ce5dfa8edf53c1a21 < 6f2d566b46436a50a80d6445e82879686b89588c`\n- `Linux 5.2`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":3,"depthScoreParts":{"impact":2.8,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}