CVE-2026-68450

In the Linux kernel, the following vulnerability has been resolved: btrfs: free mapping node on duplicate reloc root insert addrelocroot allocates a mappingnode before inserting it into rc-relocroottree. If rbsimpleinsert finds an existing entry, it returns the existing rbnode and leaves the newl...

CVE-2026-68450 btrfs: free mapping node on duplicate reloc root insert

In the Linux kernel, the following vulnerability has been resolved: btrfs: free mapping node on duplicate reloc root insert addrelocroot allocates a mappingnode before inserting it into rc-relocroottree. If rbsimpleinsert finds an existing entry, it returns the existing rbnode and leaves the newl...

EUVD-2026-57056

In the Linux kernel, the following vulnerability has been resolved: btrfs: free mapping node on duplicate reloc root insert addrelocroot allocates a mappingnode before inserting it into rc-relocroottree. If rbsimpleinsert finds an existing entry, it returns the existing rbnode and leaves the newl...

EUVD-2026-55608

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix root leak if its reloc root is unexpected in mergerelocroots If we have an unexpected relocroot for our root, we jump to the out label but never drop the reference we obtained for root, resulting in a leak. Add a missi...