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CVE-2022-49650

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CVE-2022-49650

Published: Feb 26, 2025

Modified: May 11, 2026

PUBLISHED

Description

In the Linux kernel, the following vulnerability has been resolved: dmaengine: qcom: bam_dma: fix runtime PM underflow Commit dbad41e7bb5f ("dmaengine: qcom: bam_dma: check if the runtime pm enabled") caused unbalanced pm_runtime_get/put() calls when the bam is controlled remotely. This commit reverts it and just enables pm_runtime in all cases, the clk_* functions already just nop when the clock is NULL. Also clean up a bit by removing unnecessary bamclk null checks.

VendorProductVersions

Linux

Linux

affected
dbad41e7bb5f4b9949ff5ea1d76c20711f326308 - < 2f6ded79068cac8cff41d5d5632564165d98ee12
affected
dbad41e7bb5f4b9949ff5ea1d76c20711f326308 - < b702a1077b51fcb39507cc3bd39206f539319a96
affected
dbad41e7bb5f4b9949ff5ea1d76c20711f326308 - < 0ac9c3dd0d6fe293cd5044cfad10bec27d171e4e

Linux

Linux

affected
4.17
unaffected
0 - < 4.17
unaffected
5.15.54 - <= 5.15.*
unaffected
5.18.11 - <= 5.18.*
unaffected
5.19 - <= *

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