{"id":"CVE-2022-49650","summary":"dmaengine: qcom: bam_dma: fix runtime PM underflow","details":"In the Linux kernel, the following vulnerability has been resolved:\n\ndmaengine: qcom: bam_dma: fix runtime PM underflow\n\nCommit dbad41e7bb5f (\"dmaengine: qcom: bam_dma: check if the runtime pm enabled\")\ncaused unbalanced pm_runtime_get/put() calls when the bam is\ncontrolled remotely. This commit reverts it and just enables pm_runtime\nin all cases, the clk_* functions already just nop when the clock is NULL.\n\nAlso clean up a bit by removing unnecessary bamclk null checks.","modified":"2026-03-20T12:22:28.400447Z","published":"2025-02-26T02:23:53.006Z","related":["SUSE-SU-2025:1176-1","SUSE-SU-2025:1183-1","SUSE-SU-2025:1195-1","SUSE-SU-2025:1241-1"],"database_specific":{"cna_assigner":"Linux","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/49xxx/CVE-2022-49650.json"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/0ac9c3dd0d6fe293cd5044cfad10bec27d171e4e"},{"type":"WEB","url":"https://git.kernel.org/stable/c/2f6ded79068cac8cff41d5d5632564165d98ee12"},{"type":"WEB","url":"https://git.kernel.org/stable/c/b702a1077b51fcb39507cc3bd39206f539319a96"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/49xxx/CVE-2022-49650.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2022-49650"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"dbad41e7bb5f4b9949ff5ea1d76c20711f326308"},{"fixed":"2f6ded79068cac8cff41d5d5632564165d98ee12"},{"fixed":"b702a1077b51fcb39507cc3bd39206f539319a96"},{"fixed":"0ac9c3dd0d6fe293cd5044cfad10bec27d171e4e"}]}],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2022-49650.json"}}],"schema_version":"1.7.5"}