CVE-2026-64066
CriticalCVSS 9.8Exploitation Probability (EPSS)
Low risk36th percentile - higher than 36% of all known CVEs
Summary
A vulnerability was found in the Linux kernel's netfs_read_to_pagecache() function, which fails to pause the generation of new subrequests after a subrequest failure. The fix adds a pause in subrequest generation upon error.
Risk Assessment
Failure to pause subrequest generation after an error may lead to unpredictable behavior of the netfs filesystem, potentially causing data loss or system crash.
Recommendation
Immediately update the Linux kernel to a version containing the fix (commit addressing the issue). Monitor official security advisories from your Linux distribution.
Original NVD description (English source)
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.