{"id":"CVE-2022-49678","state":"PUBLISHED","title":"soc: bcm: brcmstb: pm: pm-arm: Fix refcount leak in brcmstb_pm_probe","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nsoc: bcm: brcmstb: pm: pm-arm: Fix refcount leak in brcmstb_pm_probe\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.\n\nIn brcmstb_init_sram, it pass dn to of_address_to_resource(),\nof_address_to_resource() will call of_find_device_by_node() to take\nreference, so we should release the reference returned by\nof_find_matching_node().","publishedAt":"2025-02-26T02:24:08.833Z","updatedAt":"2026-05-11T19:04:34.714Z","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":"0b741b8234c86065fb6954d32d427b3f7e14756f","status":"affected","lessThan":"4f5877bdf7b593e988f1924f4c3df6523f80b39c","versionType":"git"},{"version":"0b741b8234c86065fb6954d32d427b3f7e14756f","status":"affected","lessThan":"734a4d15142bb4c8ecad2d8ec70d7564e78ae34d","versionType":"git"},{"version":"0b741b8234c86065fb6954d32d427b3f7e14756f","status":"affected","lessThan":"30bbfeb480ae8b5ee43199d72417b232590440c2","versionType":"git"},{"version":"0b741b8234c86065fb6954d32d427b3f7e14756f","status":"affected","lessThan":"10ba9d499a9fd82ed40897e734ba19870a879407","versionType":"git"},{"version":"0b741b8234c86065fb6954d32d427b3f7e14756f","status":"affected","lessThan":"dcafd5463d8f20c4f90ddc138a5738adb99f74c8","versionType":"git"},{"version":"0b741b8234c86065fb6954d32d427b3f7e14756f","status":"affected","lessThan":"37d838de369b07b596c19ff3662bf0293fdb09ee","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/soc/bcm/brcmstb/pm/pm-arm.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"4.15","status":"affected"},{"version":"0","status":"unaffected","lessThan":"4.15","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":["drivers/soc/bcm/brcmstb/pm/pm-arm.c"]}],"references":["https://git.kernel.org/stable/c/4f5877bdf7b593e988f1924f4c3df6523f80b39c","https://git.kernel.org/stable/c/734a4d15142bb4c8ecad2d8ec70d7564e78ae34d","https://git.kernel.org/stable/c/30bbfeb480ae8b5ee43199d72417b232590440c2","https://git.kernel.org/stable/c/10ba9d499a9fd82ed40897e734ba19870a879407","https://git.kernel.org/stable/c/dcafd5463d8f20c4f90ddc138a5738adb99f74c8","https://git.kernel.org/stable/c/37d838de369b07b596c19ff3662bf0293fdb09ee"],"weaknesses":[],"ingestedAt":"2026-10-29T20:05:26.763Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2022/49xxx/CVE-2022-49678.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2022-49678","state":"PUBLISHED","datePublished":"2025-02-26T02:24:08.833Z","dateUpdated":"2026-05-11T19:04:34.714Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2025-02-26T02:21:30.438Z"},"containers":{"cna":{"title":"soc: bcm: brcmstb: pm: pm-arm: Fix refcount leak in brcmstb_pm_probe","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nsoc: bcm: brcmstb: pm: pm-arm: Fix refcount leak in brcmstb_pm_probe\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.\n\nIn brcmstb_init_sram, it pass dn to of_address_to_resource(),\nof_address_to_resource() will call of_find_device_by_node() to take\nreference, so we should release the reference returned by\nof_find_matching_node()."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"0b741b8234c86065fb6954d32d427b3f7e14756f","status":"affected","lessThan":"4f5877bdf7b593e988f1924f4c3df6523f80b39c","versionType":"git"},{"version":"0b741b8234c86065fb6954d32d427b3f7e14756f","status":"affected","lessThan":"734a4d15142bb4c8ecad2d8ec70d7564e78ae34d","versionType":"git"},{"version":"0b741b8234c86065fb6954d32d427b3f7e14756f","status":"affected","lessThan":"30bbfeb480ae8b5ee43199d72417b232590440c2","versionType":"git"},{"version":"0b741b8234c86065fb6954d32d427b3f7e14756f","status":"affected","lessThan":"10ba9d499a9fd82ed40897e734ba19870a879407","versionType":"git"},{"version":"0b741b8234c86065fb6954d32d427b3f7e14756f","status":"affected","lessThan":"dcafd5463d8f20c4f90ddc138a5738adb99f74c8","versionType":"git"},{"version":"0b741b8234c86065fb6954d32d427b3f7e14756f","status":"affected","lessThan":"37d838de369b07b596c19ff3662bf0293fdb09ee","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/soc/bcm/brcmstb/pm/pm-arm.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"4.15","status":"affected"},{"version":"0","status":"unaffected","lessThan":"4.15","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":["drivers/soc/bcm/brcmstb/pm/pm-arm.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/4f5877bdf7b593e988f1924f4c3df6523f80b39c"},{"url":"https://git.kernel.org/stable/c/734a4d15142bb4c8ecad2d8ec70d7564e78ae34d"},{"url":"https://git.kernel.org/stable/c/30bbfeb480ae8b5ee43199d72417b232590440c2"},{"url":"https://git.kernel.org/stable/c/10ba9d499a9fd82ed40897e734ba19870a879407"},{"url":"https://git.kernel.org/stable/c/dcafd5463d8f20c4f90ddc138a5738adb99f74c8"},{"url":"https://git.kernel.org/stable/c/37d838de369b07b596c19ff3662bf0293fdb09ee"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T19:04:34.714Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.15","versionEndExcluding":"4.19.250"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.15","versionEndExcluding":"5.4.202"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.15","versionEndExcluding":"5.10.127"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.15","versionEndExcluding":"5.15.51"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.15","versionEndExcluding":"5.18.8"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.15","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-2022-49678","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"version":"2.0.3","timestamp":"2025-10-01T19:33:09.025205Z"}}}],"problemTypes":[{"descriptions":[{"lang":"en","type":"CWE","description":"CWE-noinfo Not enough information"}]}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2025-10-01T19:36:46.972Z"}}]}}}