PT-2025-40157 · Ext4+3 · Ext4+3
CVE-2023-53450
·
Published
2023-05-13
·
Updated
2026-08-21
CVSS v3.1
5.5
Medium
| Vector | AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
Name of the Vulnerable Software and Affected Versions
Linux kernel (affected versions not specified)
Description
A flaw exists in the Linux kernel’s ext4 implementation. A malicious fuzzer could potentially overwrite the ext4 superblock while mounted, setting the
s first data block to a large number. This can cause a block group calculation underflow, triggering a kernel crash. The issue was addressed by changing the BUG ON check to an ext4 warning to prevent kernel crashes.Recommendations
At the moment, there is no information about a newer version that contains a fix for this vulnerability.
Exploit
DoS
Assertion Failure
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Weakness Enumeration
Related Identifiers
Affected Products
Astra Linux
Linux Kernel
Red Os
Ext4