CVE-2026-68422 is a vulnerability in Linux Kernel
Published on August 10, 2026
btrfs: fix root leak if its reloc root is unexpected in merge_reloc_roots()
In the Linux kernel, the following vulnerability has been resolved:
btrfs: fix root leak if its reloc root is unexpected in merge_reloc_roots()
If we have an unexpected reloc_root for our root, we jump to the out label
but never drop the reference we obtained for root, resulting in a leak.
Add a missing btrfs_put_root() call.
Products Associated with CVE-2026-68422
Want to know whenever a new CVE is published for Linux Kernel? stack.watch will email you.
Affected Versions
Linux:- Version 24213fa46c7080c31d79aa2e3e2f0d9480cab700 and below b3d39b03799600c76c33486e2d29b73a771023db is affected.
- Version 24213fa46c7080c31d79aa2e3e2f0d9480cab700 and below 72f673d1c1deb819554d3e7e154f6d84301eb735 is affected.
- Version 24213fa46c7080c31d79aa2e3e2f0d9480cab700 and below 60a23d4ea169e27403f3bb023bb98036797c0206 is affected.
- Version 24213fa46c7080c31d79aa2e3e2f0d9480cab700 and below 7591d1727067d6063247901ad25c4bdc4e5695c4 is affected.
- Version 24213fa46c7080c31d79aa2e3e2f0d9480cab700 and below ce6050bafb4e33377dc17fcc357736bfc351180c is affected.
- Version 5.13 is affected.
- Before 5.13 is unaffected.
- Version 6.6.148, <= 6.6.* is unaffected.
- Version 6.12.101, <= 6.12.* is unaffected.
- Version 6.18.42, <= 6.18.* is unaffected.
- Version 7.1.6, <= 7.1.* is unaffected.
- Version 7.2-rc4, <= * is unaffected.