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CVE-2026-46070

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CVE-2026-46070

Published: May 27, 2026

Modified: Jun 1, 2026

PUBLISHED

CVSS v3.1

7.1

HIGH

Description

In the Linux kernel, the following vulnerability has been resolved: md/raid5: validate payload size before accessing journal metadata r5c_recovery_analyze_meta_block() and r5l_recovery_verify_data_checksum_for_mb() iterate over payloads in a journal metadata block using on-disk payload size fields without validating them against the remaining space in the metadata block. A corrupted journal contains payload sizes extending beyond the PAGE_SIZE boundary can cause out-of-bounds reads when accessing payload fields or computing offsets. Add bounds validation for each payload type to ensure the full payload fits within meta_size before processing.

VendorProductVersions

Linux

Linux

affected
b4c625c67362b3940f619c1a836b4e8329106658 - < c96c6f01d84b5c67db1bf1cc8591c0b7146826fc
affected
b4c625c67362b3940f619c1a836b4e8329106658 - < ef4851d8324fd978ca1ff9ec76a275438f887743
affected
b4c625c67362b3940f619c1a836b4e8329106658 - < 28d3ff7109c66e99dc1b7cddacb5c760849620ef
affected
b4c625c67362b3940f619c1a836b4e8329106658 - < 33698bd1b2db9764a29df7751533d33967ff5c98
affected
b4c625c67362b3940f619c1a836b4e8329106658 - < c3a1cf78bd1bbb51b2cc5189b4743056553c1e0e

+3 more versions

Linux

Linux

affected
4.10
unaffected
0 - < 4.10
unaffected
5.10.258 - <= 5.10.*
unaffected
5.15.209 - <= 5.15.*
unaffected
6.1.175 - <= 6.1.*

+5 more versions

CVSS v3.1 Details

CVSS v3.1 Vector

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

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

High

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