CVE-2026-43166

linux: In the Linux kernel, the following vulnerability has been resolved: erofs: fix interlaced plain identification for e...

CVE-2026-43166 is fixed in 23 products on 1 platform, first by ALAS2023-2026-1702, released May 11, 2026. It is not reported as exploited. Patch Radar priority: High.

High
CVSS
7.1
high
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0013
2nd percentile

In the Linux kernel, the following vulnerability has been resolved: erofs: fix interlaced plain identification for encoded extents Only plain data whose start position and on-disk physical length are both aligned to the block size should be classified as interlaced plain extents. Otherwise, it must be treated as shifted plain extents. This issue was found by syzbot using a crafted compressed image containing plain extents with unaligned physical lengths, which can cause OOB read in z_erofs_transform_plain().

Where it's fixed

ProductFixed inFixReleased
Linux
bpftool6.18 · amzn 2023 1:6.18.16-18.222.amzn2023 ALAS2023-2026-1702 May 11, 2026
bpftool6.18-debuginfo · amzn 2023 1:6.18.16-18.222.amzn2023 ALAS2023-2026-1702 May 11, 2026
kernel-livepatch-6.18.16-18.222 · amzn 2023 1:1.0-0.amzn2023 ALAS2023-2026-1702 May 11, 2026
kernel6.18 · amzn 2023 1:6.18.16-18.222.amzn2023 ALAS2023-2026-1702 May 11, 2026
kernel6.18-debuginfo · amzn 2023 1:6.18.16-18.222.amzn2023 ALAS2023-2026-1702 May 11, 2026
kernel6.18-debuginfo-common-aarch64 · amzn 2023 1:6.18.16-18.222.amzn2023 ALAS2023-2026-1702 May 11, 2026
kernel6.18-debuginfo-common-x86_64 · amzn 2023 1:6.18.16-18.222.amzn2023 ALAS2023-2026-1702 May 11, 2026
kernel6.18-devel · amzn 2023 1:6.18.16-18.222.amzn2023 ALAS2023-2026-1702 May 11, 2026
kernel6.18-headers · amzn 2023 1:6.18.16-18.222.amzn2023 ALAS2023-2026-1702 May 11, 2026
kernel6.18-libbpf · amzn 2023 1:6.18.16-18.222.amzn2023 ALAS2023-2026-1702 May 11, 2026
kernel6.18-libbpf-debuginfo · amzn 2023 1:6.18.16-18.222.amzn2023 ALAS2023-2026-1702 May 11, 2026
kernel6.18-libbpf-devel · amzn 2023 1:6.18.16-18.222.amzn2023 ALAS2023-2026-1702 May 11, 2026
kernel6.18-libbpf-static · amzn 2023 1:6.18.16-18.222.amzn2023 ALAS2023-2026-1702 May 11, 2026
kernel6.18-modules-extra · amzn 2023 1:6.18.16-18.222.amzn2023 ALAS2023-2026-1702 May 11, 2026
kernel6.18-modules-extra-common · amzn 2023 1:6.18.16-18.222.amzn2023 ALAS2023-2026-1702 May 11, 2026
kernel6.18-tools · amzn 2023 1:6.18.16-18.222.amzn2023 ALAS2023-2026-1702 May 11, 2026
kernel6.18-tools-debuginfo · amzn 2023 1:6.18.16-18.222.amzn2023 ALAS2023-2026-1702 May 11, 2026
kernel6.18-tools-devel · amzn 2023 1:6.18.16-18.222.amzn2023 ALAS2023-2026-1702 May 11, 2026
linux · Debian 14 6.19.6-1 DEBIAN-CVE-2026-43166 May 15, 2026
perf6.18 · amzn 2023 1:6.18.16-18.222.amzn2023 ALAS2023-2026-1702 May 11, 2026
perf6.18-debuginfo · amzn 2023 1:6.18.16-18.222.amzn2023 ALAS2023-2026-1702 May 11, 2026
python3-perf6.18 · amzn 2023 1:6.18.16-18.222.amzn2023 ALAS2023-2026-1702 May 11, 2026
python3-perf6.18-debuginfo · amzn 2023 1:6.18.16-18.222.amzn2023 ALAS2023-2026-1702 May 11, 2026

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