Overview
About vulnerability
In the Linux kernel, the following vulnerability has been resolved:
dm integrity: Fix UAF in dm_integrity_dtr()
Dm_integrity also has the same UAF problem when dm_resume() and dm_destroy() are concurrent.
Therefore, cancelling timer again in dm_integrity_dtr().
Details
- Affected product:
- AlmaLinux 9.2 ESU , CentOS 8.4 ELS , CentOS 8.5 ELS , CentOS Stream 8 ELS , TuxCare 9.6 ESU
- Affected packages:
- kernel @ 4.18.0 (+4 more)
In the Linux kernel, the following vulnerability has been resolved:
dm integrity: Fix UAF in dm_integrity_dtr()
Dm_integrity also has the same UAF problem when dm_resume() and dm_destroy() are concurrent.
Therefore, cancelling timer again in dm_integrity_dtr().