{"id":"CVE-2022-49421","state":"PUBLISHED","title":"video: fbdev: clcdfb: Fix refcount leak in clcdfb_of_vram_setup","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nvideo: fbdev: clcdfb: Fix refcount leak in clcdfb_of_vram_setup\n\nof_parse_phandle() returns a node pointer with refcount incremented, we should\nuse of_node_put() on it when not need anymore.  Add missing of_node_put() to\navoid refcount leak.","publishedAt":"2025-02-26T02:12:44.790Z","updatedAt":"2026-05-11T18:59:29.456Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"d10715be03bd8bad59ddc50236cb140c3bd73c7b","status":"affected","lessThan":"6c92711db7c90f78e0b67ac2a8944d0fe7e12d83","versionType":"git"},{"version":"d10715be03bd8bad59ddc50236cb140c3bd73c7b","status":"affected","lessThan":"2e2e2c71b2642289438392edbf5d08cdbc0b138b","versionType":"git"},{"version":"d10715be03bd8bad59ddc50236cb140c3bd73c7b","status":"affected","lessThan":"51eb1bb6baeb478538dd4ec6459fd68c44a855b1","versionType":"git"},{"version":"d10715be03bd8bad59ddc50236cb140c3bd73c7b","status":"affected","lessThan":"8db59df7f5826e104db82cfddbf22a33a151193e","versionType":"git"},{"version":"d10715be03bd8bad59ddc50236cb140c3bd73c7b","status":"affected","lessThan":"c1c4405222b6fc98c16e8c2aa679c14e41d81465","versionType":"git"},{"version":"d10715be03bd8bad59ddc50236cb140c3bd73c7b","status":"affected","lessThan":"f2dfb4ab887d67be7d0892ba041d3c8d738d3356","versionType":"git"},{"version":"d10715be03bd8bad59ddc50236cb140c3bd73c7b","status":"affected","lessThan":"bbb2a24e863b6a10129546a0a4ceea2f07deec39","versionType":"git"},{"version":"d10715be03bd8bad59ddc50236cb140c3bd73c7b","status":"affected","lessThan":"38d245cebf545338a6bc1c7762023de3fbecd7b7","versionType":"git"},{"version":"d10715be03bd8bad59ddc50236cb140c3bd73c7b","status":"affected","lessThan":"b23789a59fa6f00e98a319291819f91fbba0deb8","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/video/fbdev/amba-clcd.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"3.17","status":"affected"},{"version":"0","status":"unaffected","lessThan":"3.17","versionType":"semver"},{"version":"4.9.318","status":"unaffected","lessThanOrEqual":"4.9.*","versionType":"semver"},{"version":"4.14.283","status":"unaffected","lessThanOrEqual":"4.14.*","versionType":"semver"},{"version":"4.19.247","status":"unaffected","lessThanOrEqual":"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/video/fbdev/amba-clcd.c"]}],"references":["https://git.kernel.org/stable/c/6c92711db7c90f78e0b67ac2a8944d0fe7e12d83","https://git.kernel.org/stable/c/2e2e2c71b2642289438392edbf5d08cdbc0b138b","https://git.kernel.org/stable/c/51eb1bb6baeb478538dd4ec6459fd68c44a855b1","https://git.kernel.org/stable/c/8db59df7f5826e104db82cfddbf22a33a151193e","https://git.kernel.org/stable/c/c1c4405222b6fc98c16e8c2aa679c14e41d81465","https://git.kernel.org/stable/c/f2dfb4ab887d67be7d0892ba041d3c8d738d3356","https://git.kernel.org/stable/c/bbb2a24e863b6a10129546a0a4ceea2f07deec39","https://git.kernel.org/stable/c/38d245cebf545338a6bc1c7762023de3fbecd7b7","https://git.kernel.org/stable/c/b23789a59fa6f00e98a319291819f91fbba0deb8"],"weaknesses":[],"ingestedAt":"2026-10-29T20:05:26.763Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2022/49xxx/CVE-2022-49421.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2022-49421","state":"PUBLISHED","datePublished":"2025-02-26T02:12:44.790Z","dateUpdated":"2026-05-11T18:59:29.456Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2025-02-26T02:08:31.568Z"},"containers":{"cna":{"title":"video: fbdev: clcdfb: Fix refcount leak in clcdfb_of_vram_setup","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nvideo: fbdev: clcdfb: Fix refcount leak in clcdfb_of_vram_setup\n\nof_parse_phandle() returns a node pointer with refcount incremented, we should\nuse of_node_put() on it when not need anymore.  Add missing of_node_put() to\navoid refcount leak."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"d10715be03bd8bad59ddc50236cb140c3bd73c7b","status":"affected","lessThan":"6c92711db7c90f78e0b67ac2a8944d0fe7e12d83","versionType":"git"},{"version":"d10715be03bd8bad59ddc50236cb140c3bd73c7b","status":"affected","lessThan":"2e2e2c71b2642289438392edbf5d08cdbc0b138b","versionType":"git"},{"version":"d10715be03bd8bad59ddc50236cb140c3bd73c7b","status":"affected","lessThan":"51eb1bb6baeb478538dd4ec6459fd68c44a855b1","versionType":"git"},{"version":"d10715be03bd8bad59ddc50236cb140c3bd73c7b","status":"affected","lessThan":"8db59df7f5826e104db82cfddbf22a33a151193e","versionType":"git"},{"version":"d10715be03bd8bad59ddc50236cb140c3bd73c7b","status":"affected","lessThan":"c1c4405222b6fc98c16e8c2aa679c14e41d81465","versionType":"git"},{"version":"d10715be03bd8bad59ddc50236cb140c3bd73c7b","status":"affected","lessThan":"f2dfb4ab887d67be7d0892ba041d3c8d738d3356","versionType":"git"},{"version":"d10715be03bd8bad59ddc50236cb140c3bd73c7b","status":"affected","lessThan":"bbb2a24e863b6a10129546a0a4ceea2f07deec39","versionType":"git"},{"version":"d10715be03bd8bad59ddc50236cb140c3bd73c7b","status":"affected","lessThan":"38d245cebf545338a6bc1c7762023de3fbecd7b7","versionType":"git"},{"version":"d10715be03bd8bad59ddc50236cb140c3bd73c7b","status":"affected","lessThan":"b23789a59fa6f00e98a319291819f91fbba0deb8","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/video/fbdev/amba-clcd.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"3.17","status":"affected"},{"version":"0","status":"unaffected","lessThan":"3.17","versionType":"semver"},{"version":"4.9.318","status":"unaffected","lessThanOrEqual":"4.9.*","versionType":"semver"},{"version":"4.14.283","status":"unaffected","lessThanOrEqual":"4.14.*","versionType":"semver"},{"version":"4.19.247","status":"unaffected","lessThanOrEqual":"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/video/fbdev/amba-clcd.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/6c92711db7c90f78e0b67ac2a8944d0fe7e12d83"},{"url":"https://git.kernel.org/stable/c/2e2e2c71b2642289438392edbf5d08cdbc0b138b"},{"url":"https://git.kernel.org/stable/c/51eb1bb6baeb478538dd4ec6459fd68c44a855b1"},{"url":"https://git.kernel.org/stable/c/8db59df7f5826e104db82cfddbf22a33a151193e"},{"url":"https://git.kernel.org/stable/c/c1c4405222b6fc98c16e8c2aa679c14e41d81465"},{"url":"https://git.kernel.org/stable/c/f2dfb4ab887d67be7d0892ba041d3c8d738d3356"},{"url":"https://git.kernel.org/stable/c/bbb2a24e863b6a10129546a0a4ceea2f07deec39"},{"url":"https://git.kernel.org/stable/c/38d245cebf545338a6bc1c7762023de3fbecd7b7"},{"url":"https://git.kernel.org/stable/c/b23789a59fa6f00e98a319291819f91fbba0deb8"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T18:59:29.456Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.17","versionEndExcluding":"4.9.318"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.17","versionEndExcluding":"4.14.283"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.17","versionEndExcluding":"4.19.247"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.17","versionEndExcluding":"5.4.198"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.17","versionEndExcluding":"5.10.121"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.17","versionEndExcluding":"5.15.46"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.17","versionEndExcluding":"5.17.14"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.17","versionEndExcluding":"5.18.3"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.17","versionEndExcluding":"5.19"}]}]}],"x_generator":{"engi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