CVE-2025-38439: bnxt_en: Set DMA unmap len correctly for XDP_REDIRECT
Published Jul 25, 2025
·Updated
bnxten: Set DMA unmap len correctly for XDPREDIRECT
Affected Software
17 affected componentsFixes available
Linux Linux kernel
Linux Linux kernel>=5.3<5.4.296
Linux Linux kernel>=5.5<5.10.240
Linux Linux kernel>=5.11<5.15.189
Linux Linux kernel>=5.16<6.1.146
Linux Linux kernel>=6.2<6.6.99
Linux Linux kernel>=6.7<6.12.39
Linux Linux kernel>=6.13<6.15.7
Linux Linux kernel=6.16-rc1
Linux Linux kernel=6.16-rc2
Linux Linux kernel=6.16-rc3
Linux Linux kernel=6.16-rc4
Linux Linux kernel=6.16-rc5
Debian Debian Linux=11.0
Microsoft azl3 kernel 6.6.96.2-1
Microsoft azl3 kernel 6.6.96.2-2
Microsoft cbl2 kernel 5.15.186.1-1
Event History
Jul 25, 2025
CVE Published
via MITRE·03:27 PM
Data Sourced
via MITRE·03:27 PM
DescriptionSeverity
Data Sourced
via NVD·04:15 PM
RemedyDescriptionSeverityAffected Software
Sep 3, 2025
Data Sourced
via Microsoft·09:53 PM
DescriptionSeverityWeaknessAffected Software
Sep 4, 2025
Updated
via Microsoft·04:53 AM
SeverityAffected Software
Updated
via Microsoft·04:53 AM
DescriptionSeverity
Frequently Asked Questions
1
What is the severity of CVE-2025-38439?
CVE-2025-38439 has a severity rating of medium due to the potential for data corruption or crashes in affected systems.
2
How do I fix CVE-2025-38439?
The fix for CVE-2025-38439 involves updating to the latest version of the Linux kernel which includes the necessary patches.
3
What systems are affected by CVE-2025-38439?
CVE-2025-38439 primarily affects systems running the Linux kernel, particularly those using the bnxt_en driver.
4
Is CVE-2025-38439 exploitable in a production environment?
Yes, CVE-2025-38439 can be exploited in a production environment if the vulnerable kernel version is in use.
5
What are the potential impacts of CVE-2025-38439?
The potential impacts of CVE-2025-38439 include system instability, packet transmission issues, and possible data integrity problems.