Description
In the Linux kernel, the following vulnerability has been resolved: spi: s3c64xx: fix NULL-deref on driver unbind A change moving DMA channel allocation from probe() back to s3c64xx_spi_prepare_transfer() failed to remove the corresponding deallocation from remove(). Drop the bogus DMA channel release from remove() to avoid triggering a NULL-pointer dereference on driver unbind. This issue was flagged by Sashiko when reviewing a controller deregistration fix.
Product status
f52b03c707444c5a3d1a0b9c5724f93ddc3c588e (git) before 1108b8722b9ff0cdd3e8aa18d98244fcd93b6760
f52b03c707444c5a3d1a0b9c5724f93ddc3c588e (git) before 323a258f4b1916b5a3098618e036e033b2f2317f
f52b03c707444c5a3d1a0b9c5724f93ddc3c588e (git) before 1b66f16a571a10ba8889ac471755c8af9c5b9266
f52b03c707444c5a3d1a0b9c5724f93ddc3c588e (git) before 22788b1a8611380b141e09a8896702e32d164238
f52b03c707444c5a3d1a0b9c5724f93ddc3c588e (git) before 45daacbead8a009844bd5dba6cfa731332184d17
6.0
Any version before 6.0
6.6.140 (semver)
6.12.88 (semver)
6.18.30 (semver)
7.0.7 (semver)
7.1-rc1 (original_commit_for_fix)
References
git.kernel.org/...c/1108b8722b9ff0cdd3e8aa18d98244fcd93b6760
git.kernel.org/...c/323a258f4b1916b5a3098618e036e033b2f2317f
git.kernel.org/...c/1b66f16a571a10ba8889ac471755c8af9c5b9266
git.kernel.org/...c/22788b1a8611380b141e09a8896702e32d164238
git.kernel.org/...c/45daacbead8a009844bd5dba6cfa731332184d17