In the Linux kernel, the following vulnerability has been resolved:jfs: add sanity check for agwidth in dbMountThe width in dmapctl of the AG is zero, it trigger a divide error whencalculating the control page level in dbAllocAG.To avoid this issue, add a check for agwidth in dbAllocAG.
No PoCs from references.
- https://github.com/w4zu/Debian_security