CVE-2026-89678

In the Linux kernel, the following vulnerability has been resolved: nfsd: fix partial-write detection in nfsddirectwrite nfsddirectwrite walks a list of write segments and, after each vfsiocbiterwrite, tries to detect a short write so the loop can stop before placing the next segment at a wrong...

CVE-2026-89678

In the Linux kernel, the following vulnerability has been resolved: nfsd: fix partial-write detection in nfsddirectwrite nfsddirectwrite walks a list of write segments and, after each vfsiocbiterwrite, tries to detect a short write so the loop can stop before placing the next segment at a wrong...

UBUNTU-CVE-2026-89678

In the Linux kernel, the following vulnerability has been resolved: nfsd: fix partial-write detection in nfsddirectwrite nfsddirectwrite walks a list of write segments and, after each vfsiocbiterwrite, tries to detect a short write so the loop can stop before placing the next segment at a wrong...

CVE-2026-89678 nfsd: fix partial-write detection in nfsd_direct_write

In the Linux kernel, the following vulnerability has been resolved: nfsd: fix partial-write detection in nfsddirectwrite nfsddirectwrite walks a list of write segments and, after each vfsiocbiterwrite, tries to detect a short write so the loop can stop before placing the next segment at a wrong...

CVE-2026-89678

CVE-2026-89678 is a flaw in the Linux kernel's nfsd (NFS server daemon), specifically in the nfsd_direct_write() function. The partial-write detection logic compares host_err against segments[i].iter.count, which has already been advanced by vfs_iocb_iter_write() to the residual (original length ...

PT-2026-90394

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the nfsd direct write function where partial-write detection is flawed. The function iterates through write segments and uses vfs iocb iter write to perform writes...

CVE-2026-89678: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: nfsd: fix partial-write detection in nfsddirectwrite nfsddirectwrite walks a list of write segments and, after each vfsiocbiterwrite, tries to detect a short write so the loop can stop before placing the next segment at a wrong...

CVE-2022-49068

CVE-2022-49068 — Summary (Linux kernel, btrfs) The issue occurs in btrfs direct IO write path: during get_blocks_direct_write(), temporary delalloc extents are reserved and later released with btrfs_delalloc_release_extents(). If the length is modified in the COW path, fewer extents may be releas...

CVE-2022-49068: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: btrfs: release correct delalloc amount in direct IO write path Running generic/406 causes the following WARNING in btrfsdestroyinode which tells there are outstanding extents left. In btrfsgetblocksdirectwrite, we reserve a...