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CVE-2026-43166

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CVE-2026-43166

Published: May 6, 2026

Modified: May 11, 2026

PUBLISHED

CVSS v3.1

7.1

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().

VendorProductVersions

Linux

Linux

affected
1d191b4ca51d73699cb127386b95ac152af2b930 - < 9d5a97bc71ed5783687705c708454c4453aa91d1
affected
1d191b4ca51d73699cb127386b95ac152af2b930 - < d3790f26d38606f020212486359b84632c19d08b
affected
1d191b4ca51d73699cb127386b95ac152af2b930 - < 4a2d046e4b13202a6301a993961f5b30ae4d7119

Linux

Linux

affected
6.15
unaffected
0 - < 6.15
unaffected
6.18.16 - <= 6.18.*
unaffected
6.19.6 - <= 6.19.*
unaffected
7.0 - <= *

CVSS v3.1 Details

CVSS v3.1 Vector

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H

Attack Vector

Local

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

High

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