CVE-2026-64066

linux: In the Linux kernel, the following vulnerability has been resolved: netfs: Fix netfs_read_to_pagecache() to pause on...

CVE-2026-64066 is fixed in 20 products on 1 platform, first by ALAS2023-2026-1881, released June 22, 2026. It is not reported as exploited. Patch Radar priority: Urgent.

Urgent
CVSS
9.8
critical
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0065
51st percentile

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.

Where it's fixed

ProductFixed inFixReleased
Linux
bpftool6.18 · amzn 2023 1:6.18.35-68.127.amzn2023 ALAS2023-2026-1881 Jun 22, 2026
bpftool6.18-debuginfo · amzn 2023 1:6.18.35-68.127.amzn2023 ALAS2023-2026-1881 Jun 22, 2026
kernel-livepatch-6.18.35-68.127 · amzn 2023 1:1.0-0.amzn2023 ALAS2023-2026-1881 Jun 22, 2026
kernel6.18 · amzn 2023 1:6.18.35-68.127.amzn2023 ALAS2023-2026-1881 Jun 22, 2026
kernel6.18-debuginfo · amzn 2023 1:6.18.35-68.127.amzn2023 ALAS2023-2026-1881 Jun 22, 2026
kernel6.18-debuginfo-common-aarch64 · amzn 2023 1:6.18.35-68.127.amzn2023 ALAS2023-2026-1881 Jun 22, 2026
kernel6.18-debuginfo-common-x86_64 · amzn 2023 1:6.18.35-68.127.amzn2023 ALAS2023-2026-1881 Jun 22, 2026
kernel6.18-devel · amzn 2023 1:6.18.35-68.127.amzn2023 ALAS2023-2026-1881 Jun 22, 2026
kernel6.18-headers · amzn 2023 1:6.18.35-68.127.amzn2023 ALAS2023-2026-1881 Jun 22, 2026
kernel6.18-modules-extra · amzn 2023 1:6.18.35-68.127.amzn2023 ALAS2023-2026-1881 Jun 22, 2026
kernel6.18-modules-extra-common · amzn 2023 1:6.18.35-68.127.amzn2023 ALAS2023-2026-1881 Jun 22, 2026
kernel6.18-tools · amzn 2023 1:6.18.35-68.127.amzn2023 ALAS2023-2026-1881 Jun 22, 2026
kernel6.18-tools-debuginfo · amzn 2023 1:6.18.35-68.127.amzn2023 ALAS2023-2026-1881 Jun 22, 2026
kernel6.18-tools-devel · amzn 2023 1:6.18.35-68.127.amzn2023 ALAS2023-2026-1881 Jun 22, 2026
linux · Debian 14 7.0.12-1 DEBIAN-CVE-2026-64066 Jul 20, 2026
microvm-kernel6.18 · amzn 2023 1:6.18.35-68.127.amzn2023 ALAS2023-2026-1881 Jun 22, 2026
perf6.18 · amzn 2023 1:6.18.35-68.127.amzn2023 ALAS2023-2026-1881 Jun 22, 2026
perf6.18-debuginfo · amzn 2023 1:6.18.35-68.127.amzn2023 ALAS2023-2026-1881 Jun 22, 2026
python3-perf6.18 · amzn 2023 1:6.18.35-68.127.amzn2023 ALAS2023-2026-1881 Jun 22, 2026
python3-perf6.18-debuginfo · amzn 2023 1:6.18.35-68.127.amzn2023 ALAS2023-2026-1881 Jun 22, 2026

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