CVE-2026-89704

A flaw was found in the Linux kernel's nfsd component. The nfsdcopyfilerange function incorrectly samples the writeback error cursor after the copy loop. This allows a concurrent write operation to advance the error cursor prematurely. As a result, the system may report that data has been...

PT-2026-90420

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the nfsd copy file range function where the dst-f wb err value is sampled into the since variable after the copy loop. Because the nfsd file cache reuses a single file...