CVE-2026-90396

linux: In the Linux kernel, the following vulnerability has been resolved: block: fix dio leak on metadata mapping error A...

CVE-2026-90396 is fixed in 20 products on 1 platform, first by DEBIAN-CVE-2026-90396, released September 23, 2026. It is not reported as exploited. Patch Radar priority: High.

High
CVSS
n/a
important
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0021
10th percentile

In the Linux kernel, the following vulnerability has been resolved: block: fix dio leak on metadata mapping error A failed integrity mapping holds a dio reference, so we need to go through the full bio ending in case there were previously submitted bio's in the sequence.

Where it's fixed

ProductFixed inFixReleased
Linux
bpftool6.18 · amzn 2023 1:6.18.54-121.166.amzn2023 ALAS2023-2026-3192 Nov 7, 2026
bpftool6.18-debuginfo · amzn 2023 1:6.18.54-121.166.amzn2023 ALAS2023-2026-3192 Nov 7, 2026
kernel-livepatch-6.18.54-121.166 · amzn 2023 1:1.0-0.amzn2023 ALAS2023-2026-3192 Nov 7, 2026
kernel6.18 · amzn 2023 1:6.18.54-121.166.amzn2023 ALAS2023-2026-3192 Nov 7, 2026
kernel6.18-debuginfo · amzn 2023 1:6.18.54-121.166.amzn2023 ALAS2023-2026-3192 Nov 7, 2026
kernel6.18-debuginfo-common-aarch64 · amzn 2023 1:6.18.54-121.166.amzn2023 ALAS2023-2026-3192 Nov 7, 2026
kernel6.18-debuginfo-common-x86_64 · amzn 2023 1:6.18.54-121.166.amzn2023 ALAS2023-2026-3192 Nov 7, 2026
kernel6.18-devel · amzn 2023 1:6.18.54-121.166.amzn2023 ALAS2023-2026-3192 Nov 7, 2026
kernel6.18-headers · amzn 2023 1:6.18.54-121.166.amzn2023 ALAS2023-2026-3192 Nov 7, 2026
kernel6.18-modules-extra · amzn 2023 1:6.18.54-121.166.amzn2023 ALAS2023-2026-3192 Nov 7, 2026
kernel6.18-modules-extra-common · amzn 2023 1:6.18.54-121.166.amzn2023 ALAS2023-2026-3192 Nov 7, 2026
kernel6.18-tools · amzn 2023 1:6.18.54-121.166.amzn2023 ALAS2023-2026-3192 Nov 7, 2026
kernel6.18-tools-debuginfo · amzn 2023 1:6.18.54-121.166.amzn2023 ALAS2023-2026-3192 Nov 7, 2026
kernel6.18-tools-devel · amzn 2023 1:6.18.54-121.166.amzn2023 ALAS2023-2026-3192 Nov 7, 2026
linux · Debian 14 7.2.6-1 DEBIAN-CVE-2026-90396 Sep 23, 2026
microvm-kernel6.18 · amzn 2023 1:6.18.54-121.166.amzn2023 ALAS2023-2026-3192 Nov 7, 2026
perf6.18 · amzn 2023 1:6.18.54-121.166.amzn2023 ALAS2023-2026-3192 Nov 7, 2026
perf6.18-debuginfo · amzn 2023 1:6.18.54-121.166.amzn2023 ALAS2023-2026-3192 Nov 7, 2026
python3-perf6.18 · amzn 2023 1:6.18.54-121.166.amzn2023 ALAS2023-2026-3192 Nov 7, 2026
python3-perf6.18-debuginfo · amzn 2023 1:6.18.54-121.166.amzn2023 ALAS2023-2026-3192 Nov 7, 2026

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