CVE-2025-37785: ext4: fix OOB read when checking dotdot dir

Published Apr 18, 2025
·
Updated

ext4: fix OOB read when checking dotdot dir

Affected Software

11 affected componentsFixes available
Linux Linux kernel
Linux Linux kernel>=2.6.19<5.10.236
Linux Linux kernel>=5.11<5.15.180
Linux Linux kernel>=5.16<6.1.134
Linux Linux kernel>=6.2<6.6.87
Linux Linux kernel>=6.7<6.12.23
Linux Linux kernel>=6.13<6.13.11
Linux Linux kernel>=6.14<6.14.2
Microsoft cbl2 kernel 5.15.176.3-3<5.15.180.1-1
5.15.180.1-1
Microsoft azl3 kernel 6.6.85.1-4<6.6.92.2-1
6.6.92.2-1
Microsoft cbl2 kernel 5.15.180.1-1<5.15.180.1-1
5.15.180.1-1

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 5.15.180.1-1
  2. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 6.6.92.2-1

Event History

Apr 18, 2025
CVE Published
via MITRE·07:01 AM
Data Sourced
via MITRE·07:01 AM
DescriptionSeverity
Data Sourced
via NVD·07:15 AM
RemedyDescriptionSeverityWeaknessAffected Software
Data Sourced
via Red Hat·08:01 AM
DescriptionSeverityAffected Software
May 5, 2025
Data Sourced
via Microsoft·07:00 AM
DescriptionSeverityWeakness
Data Sourced
via Microsoft·07:00 AM
Affected Software
Updated
via Microsoft·07:00 AM
Affected Software
Updated
via Microsoft·07:00 AM
Severity
Updated
via Microsoft·07:00 AM
DescriptionSeverity

Frequently Asked Questions

1

What is the severity of CVE-2025-37785?

CVE-2025-37785 is classified as moderate severity due to its potential for causing out-of-bounds reads.

2

How do I fix CVE-2025-37785?

To fix CVE-2025-37785, update your Linux kernel to the latest stable version where the vulnerability has been patched.

3

What systems are affected by CVE-2025-37785?

CVE-2025-37785 affects the Linux kernel, specifically systems that utilize the ext4 filesystem.

4

What are the potential impacts of CVE-2025-37785?

The potential impacts of CVE-2025-37785 include data exposure and system instability due to out-of-bounds memory reads.

5

What is the nature of the vulnerability in CVE-2025-37785?

CVE-2025-37785 involves an out-of-bounds read caused by a corrupted directory entry in the ext4 filesystem.

Contact

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