CVE-2025-22004: net: atm: fix use after free in lec_send()

Published Apr 3, 2025
·
Updated

In the Linux kernel, the following vulnerability has been resolved:

net: atm: fix use after free in lecsend()

The ->send() operation frees skb so save the length before calling ->send() to avoid a use after free.

Affected Software

14 affected componentsFixes available
Linux Linux kernel
Linux Linux kernel>=2.6.12<6.1.132
Linux Linux kernel>=6.2<6.6.85
Linux Linux kernel>=6.7<6.12.21
Linux Linux kernel>=6.13<6.13.9
Linux Linux kernel=6.14-rc1
Linux Linux kernel=6.14-rc2
Linux Linux kernel=6.14-rc3
Linux Linux kernel=6.14-rc4
Microsoft azl3 kernel 6.6.85.1-2
Microsoft cbl2 kernel 5.15.180.1-1
Microsoft cbl2 kernel 5.15.182.1-1
Microsoft cbl2 kernel 5.15.182.1-1
Microsoft azl3 kernel 6.6.82.1-1

Event History

Apr 3, 2025
CVE Published
via MITRE·07:19 AM
Data Sourced
via MITRE·07:19 AM
DescriptionSeverity
Data Sourced
via Red Hat·08:01 AM
DescriptionSeverityAffected Software
Data Sourced
via NVD·08:15 AM
RemedyDescriptionSeverityWeaknessAffected 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
SeverityAffected Software
Updated
via Microsoft·07:00 AM
DescriptionSeverity

Frequently Asked Questions

1

What is the severity of CVE-2025-22004?

CVE-2025-22004 has a medium severity rating due to the potential for a use after free vulnerability in the Linux kernel.

2

How do I fix CVE-2025-22004?

To fix CVE-2025-22004, update the Linux kernel to the latest patched version where the issue has been resolved.

3

Which versions of the Linux kernel are affected by CVE-2025-22004?

CVE-2025-22004 affects specific versions of the Linux kernel that contain the flaw in the atm subsystem.

4

What types of systems are vulnerable to CVE-2025-22004?

Systems running vulnerable versions of the Linux kernel that utilize the ATM subsystem are at risk due to CVE-2025-22004.

5

Is CVE-2025-22004 being actively exploited?

As of now, there are no known active exploits specifically targeting CVE-2025-22004, but it is advisable to apply updates promptly.

Contact

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