Description
In the Linux kernel, the following vulnerability has been resolved: dmaengine: stm32: dmamux: fix device leak on route allocation Make sure to drop the reference taken when looking up the DMA mux platform device during route allocation. Note that holding a reference to a device does not prevent its driver data from going away so there is no point in keeping the reference.
Product status
df7e762db5f6c8dbd9e480f1c9ef9851de346657 (git) before 3b42020e6790a5e19b36c187ed5b488a5716f97f
df7e762db5f6c8dbd9e480f1c9ef9851de346657 (git) before 6393da54dcb3488c080a183c4182ddec71ba8d7f
df7e762db5f6c8dbd9e480f1c9ef9851de346657 (git) before 1dda2a32303df0091896b01a9d09070d61fa344c
df7e762db5f6c8dbd9e480f1c9ef9851de346657 (git) before 1a179ac01ff3993ab97e33cc77c316ed7415cda1
df7e762db5f6c8dbd9e480f1c9ef9851de346657 (git) before 2fb10259d4efb4367787b5ae9c94192e8a91c648
df7e762db5f6c8dbd9e480f1c9ef9851de346657 (git) before 3ef52d31cce8ba816739085a61efe07b63c6cf27
df7e762db5f6c8dbd9e480f1c9ef9851de346657 (git) before dd6e4943889fb354efa3f700e42739da9bddb6ef
4.15
Any version before 4.15
5.10.249 (semver)
5.15.199 (semver)
6.1.162 (semver)
6.6.122 (semver)
6.12.67 (semver)
6.18.7 (semver)
6.19 (original_commit_for_fix)
References
git.kernel.org/...c/3b42020e6790a5e19b36c187ed5b488a5716f97f
git.kernel.org/...c/6393da54dcb3488c080a183c4182ddec71ba8d7f
git.kernel.org/...c/1dda2a32303df0091896b01a9d09070d61fa344c
git.kernel.org/...c/1a179ac01ff3993ab97e33cc77c316ed7415cda1
git.kernel.org/...c/2fb10259d4efb4367787b5ae9c94192e8a91c648
git.kernel.org/...c/3ef52d31cce8ba816739085a61efe07b63c6cf27
git.kernel.org/...c/dd6e4943889fb354efa3f700e42739da9bddb6ef