{"id":"CVE-2022-49680","state":"PUBLISHED","title":"ARM: exynos: Fix refcount leak in exynos_map_pmu","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nARM: exynos: Fix refcount leak in exynos_map_pmu\n\nof_find_matching_node() returns a node pointer with refcount\nincremented, we should use of_node_put() on it when not need anymore.\nAdd missing of_node_put() to avoid refcount leak.\nof_node_put() checks null pointer.","publishedAt":"2025-02-26T02:24:09.762Z","updatedAt":"2026-05-11T19:04:37.021Z","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 Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"fce9e5bb25264153f9f002eada41757118d25ba9","status":"affected","lessThan":"545ae5cbae839ce39bfe09828e413f1c916082de","versionType":"git"},{"version":"fce9e5bb25264153f9f002eada41757118d25ba9","status":"affected","lessThan":"31d09571bb071c20f6bdc0bb7ac1ef8dd2987c04","versionType":"git"},{"version":"fce9e5bb25264153f9f002eada41757118d25ba9","status":"affected","lessThan":"7571bcecf01b69f0d3ec60ca41ce5d4c75411a4a","versionType":"git"},{"version":"fce9e5bb25264153f9f002eada41757118d25ba9","status":"affected","lessThan":"f9b77a52937582a5b99a5a07e4ef1e2f48f87347","versionType":"git"},{"version":"fce9e5bb25264153f9f002eada41757118d25ba9","status":"affected","lessThan":"68f28d52e6cbab8dcfa249cac4356d1d0573e868","versionType":"git"},{"version":"fce9e5bb25264153f9f002eada41757118d25ba9","status":"affected","lessThan":"d23f76018e17618559da9eea179d137362023f95","versionType":"git"},{"version":"fce9e5bb25264153f9f002eada41757118d25ba9","status":"affected","lessThan":"fc354856e9fad9cd36e2ad28f9da70716025055a","versionType":"git"},{"version":"fce9e5bb25264153f9f002eada41757118d25ba9","status":"affected","lessThan":"c4c79525042a4a7df96b73477feaf232fe44ae81","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["arch/arm/mach-exynos/exynos.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"3.17","status":"affected"},{"version":"0","status":"unaffected","lessThan":"3.17","versionType":"semver"},{"version":"4.9.321","status":"unaffected","lessThanOrEqual":"4.9.*","versionType":"semver"},{"version":"4.14.286","status":"unaffected","lessThanOrEqual":"4.14.*","versionType":"semver"},{"version":"4.19.250","status":"unaffected","lessThanOrEqual":"4.19.*","versionType":"semver"},{"version":"5.4.202","status":"unaffected","lessThanOrEqual":"5.4.*","versionType":"semver"},{"version":"5.10.127","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.51","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"5.18.8","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":["arch/arm/mach-exynos/exynos.c"]}],"references":["https://git.kernel.org/stable/c/545ae5cbae839ce39bfe09828e413f1c916082de","https://git.kernel.org/stable/c/31d09571bb071c20f6bdc0bb7ac1ef8dd2987c04","https://git.kernel.org/stable/c/7571bcecf01b69f0d3ec60ca41ce5d4c75411a4a","https://git.kernel.org/stable/c/f9b77a52937582a5b99a5a07e4ef1e2f48f87347","https://git.kernel.org/stable/c/68f28d52e6cbab8dcfa249cac4356d1d0573e868","https://git.kernel.org/stable/c/d23f76018e17618559da9eea179d137362023f95","https://git.kernel.org/stable/c/fc354856e9fad9cd36e2ad28f9da70716025055a","https://git.kernel.org/stable/c/c4c79525042a4a7df96b73477feaf232fe44ae81"],"weaknesses":[],"ingestedAt":"2026-10-29T20:05:26.763Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2022/49xxx/CVE-2022-49680.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2022-49680","state":"PUBLISHED","datePublished":"2025-02-26T02:24:09.762Z","dateUpdated":"2026-05-11T19:04:37.021Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2025-02-26T02:21:30.439Z"},"containers":{"cna":{"title":"ARM: exynos: Fix refcount leak in exynos_map_pmu","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nARM: exynos: Fix refcount leak in exynos_map_pmu\n\nof_find_matching_node() returns a node pointer with refcount\nincremented, we should use of_node_put() on it when not need anymore.\nAdd missing of_node_put() to avoid refcount leak.\nof_node_put() checks null pointer."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"fce9e5bb25264153f9f002eada41757118d25ba9","status":"affected","lessThan":"545ae5cbae839ce39bfe09828e413f1c916082de","versionType":"git"},{"version":"fce9e5bb25264153f9f002eada41757118d25ba9","status":"affected","lessThan":"31d09571bb071c20f6bdc0bb7ac1ef8dd2987c04","versionType":"git"},{"version":"fce9e5bb25264153f9f002eada41757118d25ba9","status":"affected","lessThan":"7571bcecf01b69f0d3ec60ca41ce5d4c75411a4a","versionType":"git"},{"version":"fce9e5bb25264153f9f002eada41757118d25ba9","status":"affected","lessThan":"f9b77a52937582a5b99a5a07e4ef1e2f48f87347","versionType":"git"},{"version":"fce9e5bb25264153f9f002eada41757118d25ba9","status":"affected","lessThan":"68f28d52e6cbab8dcfa249cac4356d1d0573e868","versionType":"git"},{"version":"fce9e5bb25264153f9f002eada41757118d25ba9","status":"affected","lessThan":"d23f76018e17618559da9eea179d137362023f95","versionType":"git"},{"version":"fce9e5bb25264153f9f002eada41757118d25ba9","status":"affected","lessThan":"fc354856e9fad9cd36e2ad28f9da70716025055a","versionType":"git"},{"version":"fce9e5bb25264153f9f002eada41757118d25ba9","status":"affected","lessThan":"c4c79525042a4a7df96b73477feaf232fe44ae81","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["arch/arm/mach-exynos/exynos.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"3.17","status":"affected"},{"version":"0","status":"unaffected","lessThan":"3.17","versionType":"semver"},{"version":"4.9.321","status":"unaffected","lessThanOrEqual":"4.9.*","versionType":"semver"},{"version":"4.14.286","status":"unaffected","lessThanOrEqual":"4.14.*","versionType":"semver"},{"version":"4.19.250","status":"unaffected","lessThanOrEqual":"4.19.*","versionType":"semver"},{"version":"5.4.202","status":"unaffected","lessThanOrEqual":"5.4.*","versionType":"semver"},{"version":"5.10.127","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.51","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"5.18.8","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":["arch/arm/mach-exynos/exynos.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/545ae5cbae839ce39bfe09828e413f1c916082de"},{"url":"https://git.kernel.org/stable/c/31d09571bb071c20f6bdc0bb7ac1ef8dd2987c04"},{"url":"https://git.kernel.org/stable/c/7571bcecf01b69f0d3ec60ca41ce5d4c75411a4a"},{"url":"https://git.kernel.org/stable/c/f9b77a52937582a5b99a5a07e4ef1e2f48f87347"},{"url":"https://git.kernel.org/stable/c/68f28d52e6cbab8dcfa249cac4356d1d0573e868"},{"url":"https://git.kernel.org/stable/c/d23f76018e17618559da9eea179d137362023f95"},{"url":"https://git.kernel.org/stable/c/fc354856e9fad9cd36e2ad28f9da70716025055a"},{"url":"https://git.kernel.org/stable/c/c4c79525042a4a7df96b73477feaf232fe44ae81"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T19:04:37.021Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.17","versionEndExcluding":"4.9.321"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.17","versionEndExcluding":"4.14.286"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.17","versionEndExcluding":"4.19.250"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.17","versionEndExcluding":"5.4.202"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.17","versionEndExcluding":"5.10.127"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.17","versionEndExcluding":"5.15.51"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.17","versionEndExcluding":"5.18.8"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.17","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-2022-49680","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"version":"2.0.3","timestamp":"2025-10-01T19:33:02.308011Z"}}}],"problemTypes":[{"descriptions":[{"lang":"en","type":"CWE","description":"CWE-noinfo Not enough information"}]}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2025-10-01T19:36:46.715Z"}}]}}}