CVE-2025-37879: 9p/net: fix improper handling of bogus negative read/write replies

Published May 9, 2025
·
Updated

9p/net: fix improper handling of bogus negative read/write replies

Affected Software

9 affected componentsFixes available
Linux Kernel
Microsoft cbl2 kernel 5.15.186.1-1
Linux Linux kernel<6.1.136
Linux Linux kernel>=6.2<6.6.89
Linux Linux kernel>=6.7<6.12.26
Linux Linux kernel>=6.13<6.14.5
Debian Debian Linux=11.0
Microsoft azl3 kernel 6.6.85.1-4<6.6.92.2-1
6.6.92.2-1
Microsoft azl3 kernel 6.6.92.2-1<6.6.92.2-1
6.6.92.2-1

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 6.6.92.2-1

Event History

May 9, 2025
CVE Published
via MITRE·06:45 AM
Data Sourced
via MITRE·06:45 AM
DescriptionSeverity
Data Sourced
via NVD·07:16 AM
RemedyDescriptionSeverityWeaknessAffected Software
Jul 11, 2025
Data Sourced
via Microsoft·12:00 AM
DescriptionSeverityWeaknessAffected Software
Updated
via Microsoft·07:00 AM
DescriptionSeverityWeakness
Updated
via Microsoft·07:00 AM
SeverityWeaknessAffected Software

Frequently Asked Questions

1

What is the severity of CVE-2025-37879?

CVE-2025-37879 has been categorized with a low severity level as it involves improper handling of negative read/write replies in the Linux kernel.

2

How do I fix CVE-2025-37879?

To remediate CVE-2025-37879, update the Linux kernel to the latest version where this vulnerability has been resolved.

3

What systems are affected by CVE-2025-37879?

CVE-2025-37879 affects various versions of the Linux kernel that implement the 9p network protocol.

4

What are the potential impacts of CVE-2025-37879?

The potential impacts of CVE-2025-37879 include improper handling of data during read/write operations, which could lead to data corruption.

5

Is there an update available for CVE-2025-37879?

Yes, an update addressing CVE-2025-37879 has been released and users are encouraged to apply the latest patches.

Contact

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