{"id":"CVE-2022-49462","state":"PUBLISHED","title":"drm/msm/a6xx: Fix refcount leak in a6xx_gpu_init","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/msm/a6xx: Fix refcount leak in a6xx_gpu_init\n\nof_parse_phandle() returns a node pointer with refcount\nincremented, we should use of_node_put() on it when not need anymore.\n\na6xx_gmu_init() passes the node to of_find_device_by_node()\nand of_dma_configure(), of_find_device_by_node() will takes its\nreference, of_dma_configure() doesn't need the node after usage.\n\nAdd missing of_node_put() to avoid refcount leak.","publishedAt":"2025-02-26T02:13:09.016Z","updatedAt":"2026-05-11T19:00:21.029Z","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":"4b565ca5a2cbbbb6345e8789da89c193b6b00e5a","status":"affected","lessThan":"6832e36f156ea35a6ed74bca72727806116effdd","versionType":"git"},{"version":"4b565ca5a2cbbbb6345e8789da89c193b6b00e5a","status":"affected","lessThan":"48e82ce8cdb19c20a5020fa446b286d6a147450c","versionType":"git"},{"version":"4b565ca5a2cbbbb6345e8789da89c193b6b00e5a","status":"affected","lessThan":"edff4c1af831d0c02e654eed9da7d74174de49d5","versionType":"git"},{"version":"4b565ca5a2cbbbb6345e8789da89c193b6b00e5a","status":"affected","lessThan":"65ddbc0d26824e2a5d6154d01d8cf39344900213","versionType":"git"},{"version":"4b565ca5a2cbbbb6345e8789da89c193b6b00e5a","status":"affected","lessThan":"06907a374f1b74f8f2fb30720dc6df81331e4fb5","versionType":"git"},{"version":"4b565ca5a2cbbbb6345e8789da89c193b6b00e5a","status":"affected","lessThan":"c56de483093d7ad0782327f95dda7da97bc4c315","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/gpu/drm/msm/adreno/a6xx_gpu.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"4.19","status":"affected"},{"version":"0","status":"unaffected","lessThan":"4.19","versionType":"semver"},{"version":"5.4.198","status":"unaffected","lessThanOrEqual":"5.4.*","versionType":"semver"},{"version":"5.10.121","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.46","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"5.17.14","status":"unaffected","lessThanOrEqual":"5.17.*","versionType":"semver"},{"version":"5.18.3","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/gpu/drm/msm/adreno/a6xx_gpu.c"]}],"references":["https://git.kernel.org/stable/c/6832e36f156ea35a6ed74bca72727806116effdd","https://git.kernel.org/stable/c/48e82ce8cdb19c20a5020fa446b286d6a147450c","https://git.kernel.org/stable/c/edff4c1af831d0c02e654eed9da7d74174de49d5","https://git.kernel.org/stable/c/65ddbc0d26824e2a5d6154d01d8cf39344900213","https://git.kernel.org/stable/c/06907a374f1b74f8f2fb30720dc6df81331e4fb5","https://git.kernel.org/stable/c/c56de483093d7ad0782327f95dda7da97bc4c315"],"weaknesses":[],"ingestedAt":"2026-10-29T20:05:26.763Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2022/49xxx/CVE-2022-49462.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2022-49462","state":"PUBLISHED","datePublished":"2025-02-26T02:13:09.016Z","dateUpdated":"2026-05-11T19:00:21.029Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2025-02-26T02:08:31.576Z"},"containers":{"cna":{"title":"drm/msm/a6xx: Fix refcount leak in a6xx_gpu_init","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/msm/a6xx: Fix refcount leak in a6xx_gpu_init\n\nof_parse_phandle() returns a node pointer with refcount\nincremented, we should use of_node_put() on it when not need anymore.\n\na6xx_gmu_init() passes the node to of_find_device_by_node()\nand of_dma_configure(), of_find_device_by_node() will takes its\nreference, of_dma_configure() doesn't need the node after usage.\n\nAdd missing of_node_put() to avoid refcount leak."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"4b565ca5a2cbbbb6345e8789da89c193b6b00e5a","status":"affected","lessThan":"6832e36f156ea35a6ed74bca72727806116effdd","versionType":"git"},{"version":"4b565ca5a2cbbbb6345e8789da89c193b6b00e5a","status":"affected","lessThan":"48e82ce8cdb19c20a5020fa446b286d6a147450c","versionType":"git"},{"version":"4b565ca5a2cbbbb6345e8789da89c193b6b00e5a","status":"affected","lessThan":"edff4c1af831d0c02e654eed9da7d74174de49d5","versionType":"git"},{"version":"4b565ca5a2cbbbb6345e8789da89c193b6b00e5a","status":"affected","lessThan":"65ddbc0d26824e2a5d6154d01d8cf39344900213","versionType":"git"},{"version":"4b565ca5a2cbbbb6345e8789da89c193b6b00e5a","status":"affected","lessThan":"06907a374f1b74f8f2fb30720dc6df81331e4fb5","versionType":"git"},{"version":"4b565ca5a2cbbbb6345e8789da89c193b6b00e5a","status":"affected","lessThan":"c56de483093d7ad0782327f95dda7da97bc4c315","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/gpu/drm/msm/adreno/a6xx_gpu.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"4.19","status":"affected"},{"version":"0","status":"unaffected","lessThan":"4.19","versionType":"semver"},{"version":"5.4.198","status":"unaffected","lessThanOrEqual":"5.4.*","versionType":"semver"},{"version":"5.10.121","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.46","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"5.17.14","status":"unaffected","lessThanOrEqual":"5.17.*","versionType":"semver"},{"version":"5.18.3","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/gpu/drm/msm/adreno/a6xx_gpu.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/6832e36f156ea35a6ed74bca72727806116effdd"},{"url":"https://git.kernel.org/stable/c/48e82ce8cdb19c20a5020fa446b286d6a147450c"},{"url":"https://git.kernel.org/stable/c/edff4c1af831d0c02e654eed9da7d74174de49d5"},{"url":"https://git.kernel.org/stable/c/65ddbc0d26824e2a5d6154d01d8cf39344900213"},{"url":"https://git.kernel.org/stable/c/06907a374f1b74f8f2fb30720dc6df81331e4fb5"},{"url":"https://git.kernel.org/stable/c/c56de483093d7ad0782327f95dda7da97bc4c315"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T19:00:21.029Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.19","versionEndExcluding":"5.4.198"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.19","versionEndExcluding":"5.10.121"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.19","versionEndExcluding":"5.15.46"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.19","versionEndExcluding":"5.17.14"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.19","versionEndExcluding":"5.18.3"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.19","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-2022-49462","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"version":"2.0.3","timestamp":"2025-10-01T19:40:06.681342Z"}}}],"problemTypes":[{"descriptions":[{"lang":"en","type":"CWE","description":"CWE-noinfo Not enough information"}]}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2025-10-01T19:46:47.027Z"}}]}}}