{"id":"CVE-2022-49621","state":"PUBLISHED","title":"cpufreq: pmac32-cpufreq: Fix refcount leak bug","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ncpufreq: pmac32-cpufreq: Fix refcount leak bug\n\nIn pmac_cpufreq_init_MacRISC3(), we need to add corresponding\nof_node_put() for the three node pointers whose refcount have\nbeen incremented by of_find_node_by_name().","publishedAt":"2025-02-26T02:23:38.850Z","updatedAt":"2026-05-11T19:03:28.394Z","severity":{"score":5.5,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","source":"CISA-ADP"},"assigner":"Linux","products":["Linux 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pmac32-cpufreq: Fix refcount leak bug","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\ncpufreq: pmac32-cpufreq: Fix refcount leak bug\n\nIn pmac_cpufreq_init_MacRISC3(), we need to add corresponding\nof_node_put() for the three node pointers whose refcount have\nbeen incremented by of_find_node_by_name()."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","status":"affected","lessThan":"4f242486bf46d314b2e3838cc64b56f008a3c4d7","versionType":"git"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","status":"affected","lessThan":"37c16fc2cb13a13f3c0193bfc6f2edef7d7df7d7","versionType":"git"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","status":"affected","lessThan":"4585890ab2dbf455d80e254d3d859d4c1e357920","versionType":"git"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","status":"affected","lessThan":"8dda30f81c751b01cd71f2cfaeef26ad4393b1d1","versionType":"git"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","status":"affected","lessThan":"3ea9dbf7c2f436952bca331c6f5d72f75aca224e","versionType":"git"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","status":"affected","lessThan":"57289b6601fe78c09921599b042a0b430fb420ec","versionType":"git"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","status":"affected","lessThan":"4513018d0bd739097570d26a7760551cba3deb56","versionType":"git"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","status":"affected","lessThan":"ccd7567d4b6cf187fdfa55f003a9e461ee629e36","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/cpufreq/pmac32-cpufreq.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"2.6.12","status":"affected"},{"version":"0","status":"unaffected","lessThan":"2.6.12","versionType":"semver"},{"version":"4.9.324","status":"unaffected","lessThanOrEqual":"4.9.*","versionType":"semver"},{"version":"4.14.289","status":"unaffected","lessThanOrEqual":"4.14.*","versionType":"semver"},{"version":"4.19.253","status":"unaffected","lessThanOrEqual":"4.19.*","versionType":"semver"},{"version":"5.4.207","status":"unaffected","lessThanOrEqual":"5.4.*","versionType":"semver"},{"version":"5.10.132","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.56","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"5.18.13","status":"unaffected","lessThanOrEqual":"5.18.*","versionType":"semver"},{"version":"5.19","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/cpufreq/pmac32-cpufreq.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/4f242486bf46d314b2e3838cc64b56f008a3c4d7"},{"url":"https://git.kernel.org/stable/c/37c16fc2cb13a13f3c0193bfc6f2edef7d7df7d7"},{"url":"https://git.kernel.org/stable/c/4585890ab2dbf455d80e254d3d859d4c1e357920"},{"url":"https://git.kernel.org/stable/c/8dda30f81c751b01cd71f2cfaeef26ad4393b1d1"},{"url":"https://git.kernel.org/stable/c/3ea9dbf7c2f436952bca331c6f5d72f75aca224e"},{"url":"https://git.kernel.org/stable/c/57289b6601fe78c09921599b042a0b430fb420ec"},{"url":"https://git.kernel.org/stable/c/4513018d0bd739097570d26a7760551cba3deb56"},{"url":"https://git.kernel.org/stable/c/ccd7567d4b6cf187fdfa55f003a9e461ee629e36"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T19:03:28.394Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.12","versionEndExcluding":"4.9.324"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.12","versionEndExcluding":"4.14.289"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.12","versionEndExcluding":"4.19.253"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.12","versionEndExcluding":"5.4.207"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.12","versionEndExcluding":"5.10.132"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.12","versionEndExcluding":"5.15.56"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.12","versionEndExcluding":"5.18.13"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.12","versionEndExcluding":"5.19"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":5.5,"attackVector":"LOCAL","baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","integrityImpact":"NONE","userInteraction":"NONE","attackComplexity":"LOW","availabilityImpact":"HIGH","privilegesRequired":"LOW","confidentialityImpact":"NONE"}},{"other":{"type":"ssvc","content":{"id":"CVE-2022-49621","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"version":"2.0.3","timestamp":"2025-10-01T19:34:37.989846Z"}}}],"problemTypes":[{"descriptions":[{"lang":"en","type":"CWE","description":"CWE-noinfo Not enough information"}]}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2025-10-01T19:36:50.700Z"}}]}}}