CVE-2026-64066

A flaw was found in the Linux kernel's netfs component. The netfsreadtopagecache function does not properly pause the generation of new subrequests when a previously issued subrequest has failed. This oversight can lead to continued resource consumption or incorrect system state, potentially...

CVE-2026-64066 netfs: Fix netfs_read_to_pagecache() to pause on subreq failure

In the Linux kernel, the following vulnerability has been resolved: netfs: Fix netfsreadtopagecache to pause on subreq failure Fix netfsreadtopagecache so that it pauses the generation of new subrequests if an already-issued subrequest fails...

The vulnerability of the netfs_read_to_pagecache() function in the fs/netfs/buffered_read.c module of the Linux kernel’s network file system support mechanism allows a attacker to gain access to protected information or cause service interruptions.

The vulnerability of the netfsreadtopagecache function in the fs/netfs/bufferedread.c module of the Linux kernel’s network file system support mechanism is related to the copying of buffers without checking the size of the input data a classic buffer overflow attack. Exploiting this vulnerability...