CVE-2024-49902 jfs: check if leafidx greater than num leaves per dmap tree

In the Linux kernel, the following vulnerability has been resolved: jfs: check if leafidx greater than num leaves per dmap tree syzbot report a out of bounds in dbSplit, it because dmtleafidx greater than num leaves per dmap tree, add a checking for dmtleafidx in dbFindLeaf. Shaggy: Modified sani...

CVE-2024-49902 jfs: check if leafidx greater than num leaves per dmap tree

In the Linux kernel, the following vulnerability has been resolved: jfs: check if leafidx greater than num leaves per dmap tree syzbot report a out of bounds in dbSplit, it because dmtleafidx greater than num leaves per dmap tree, add a checking for dmtleafidx in dbFindLeaf. Shaggy: Modified sani...

PT-2025-40192

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 6.4.0-rc6-syzkaller-00037-gb6dad5178cea Description The Linux kernel contains a flaw within the JFS filesystem implementation. Specifically, an out-of-bounds array access can occur in the dbAllocDmapLev function...