CVE-2026-64066Critical vulnerability in Linux kernel netfs subsystem
In the Linux kernel, the following vulnerability has been resolved: netfs: Fix netfs_read_to_pagecache() to pause on subreq failure Fix netfs_read_to_pagecache() so that it pauses the generation of new subrequests if an already-issued subrequest fails.
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A critical vulnerability has been identified in the Linux kernel netfs subsystem. Given the 9.8 CVSS score and the nature of network filesystems, this could potentially allow remote exploitation or lead to severe system instability for servers using network-backed storage.
Relevant roles
Severity
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HCWE-125EPSS
Affects
linux:linux_kernelTechnical description
In the Linux kernel, the following vulnerability has been resolved: netfs: Fix netfs_read_to_pagecache() to pause on subreq failure Fix netfs_read_to_pagecache() so that it pauses the generation of new subrequests if an already-issued subrequest fails.