CVE-2026-43166
High
Description
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().
SeverityHigh
CVSS7.1
Exploit probability—
Product
Linux Kernel
PublishedMay 6, 2026
First seenMay 6, 2026
How to fix
Update
- linux linux_kernel6.18.16, 6.19.6 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| linux linux_kernel | 6.15 ≤ v < 6.18.16, 6.19 ≤ v < 6.19.6, 7.0 | 6.18.16, 6.19.6 |
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