8 matches found
CVE-2026-93798
A flaw was found in the Linux kernel's Btrfs file system. A local user could exploit this flaw to cause a Denial of Service DoS by triggering system instability or a kernel crash. This issue is caused by missing memory barriers and improper state flag management during relocation root cleanup,...
btrfs: free mapping node on duplicate reloc root insert
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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...
UBUNTU-CVE-2026-68422
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...
CVE-2026-68422 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 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...
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...