CVE-2026-98880

ntfs3: handle set_blocksize failures

CVE-2026-98880 is fixed in 38 products on 1 platform, first by DEBIAN-CVE-2026-98880, released October 24, 2026. It is not reported as exploited. Patch Radar priority: Routine.

Routine
CVSS
5.5
Moderate
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0017
6th percentile

In the Linux kernel, the following vulnerability has been resolved: ntfs3: handle set_blocksize failures ntfs3 uses buffer_heads, which don't handle block size > PAGE_SIZE well. Without this, mounting we will hit the BUG_ON(offset >= folio_size(folio)); in folio_set_bh on the first __bread_gfp call.

Where it's fixed

ProductFixed inFixReleased
Linux
bpftool6.12 · amzn 2023 1:6.12.111-136.204.amzn2023 ALAS2023-2026-3193 Nov 7, 2026
bpftool6.12-debuginfo · amzn 2023 1:6.12.111-136.204.amzn2023 ALAS2023-2026-3193 Nov 7, 2026
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-6.12.111-136.204 · amzn 2023 1:1.0-0.amzn2023 ALAS2023-2026-3193 Nov 7, 2026
kernel-livepatch-6.18.54-121.166 · amzn 2023 1:1.0-0.amzn2023 ALAS2023-2026-3192 Nov 7, 2026
kernel6.12 · amzn 2023 1:6.12.111-136.204.amzn2023 ALAS2023-2026-3193 Nov 7, 2026
kernel6.12-debuginfo · amzn 2023 1:6.12.111-136.204.amzn2023 ALAS2023-2026-3193 Nov 7, 2026
kernel6.12-debuginfo-common-aarch64 · amzn 2023 1:6.12.111-136.204.amzn2023 ALAS2023-2026-3193 Nov 7, 2026
kernel6.12-debuginfo-common-x86_64 · amzn 2023 1:6.12.111-136.204.amzn2023 ALAS2023-2026-3193 Nov 7, 2026
kernel6.12-devel · amzn 2023 1:6.12.111-136.204.amzn2023 ALAS2023-2026-3193 Nov 7, 2026
kernel6.12-headers · amzn 2023 1:6.12.111-136.204.amzn2023 ALAS2023-2026-3193 Nov 7, 2026
kernel6.12-modules-extra · amzn 2023 1:6.12.111-136.204.amzn2023 ALAS2023-2026-3193 Nov 7, 2026
kernel6.12-modules-extra-common · amzn 2023 1:6.12.111-136.204.amzn2023 ALAS2023-2026-3193 Nov 7, 2026
kernel6.12-tools · amzn 2023 1:6.12.111-136.204.amzn2023 ALAS2023-2026-3193 Nov 7, 2026
kernel6.12-tools-debuginfo · amzn 2023 1:6.12.111-136.204.amzn2023 ALAS2023-2026-3193 Nov 7, 2026
kernel6.12-tools-devel · amzn 2023 1:6.12.111-136.204.amzn2023 ALAS2023-2026-3193 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 13.5 (trixie) 6.12.111-1 DEBIAN-CVE-2026-98880 Oct 24, 2026
linux · Debian 14 7.2.6-1 DEBIAN-CVE-2026-98880 Oct 24, 2026
microvm-kernel6.18 · amzn 2023 1:6.18.54-121.166.amzn2023 ALAS2023-2026-3192 Nov 7, 2026
perf6.12 · amzn 2023 1:6.12.111-136.204.amzn2023 ALAS2023-2026-3193 Nov 7, 2026
perf6.12-debuginfo · amzn 2023 1:6.12.111-136.204.amzn2023 ALAS2023-2026-3193 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-perf6.12 · amzn 2023 1:6.12.111-136.204.amzn2023 ALAS2023-2026-3193 Nov 7, 2026
python3-perf6.12-debuginfo · amzn 2023 1:6.12.111-136.204.amzn2023 ALAS2023-2026-3193 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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