CVE-2025-39795: block: avoid possible overflow for chunk_sectors check in blk_stack_limits()
Published Sep 12, 2025
·Updated
block: avoid possible overflow for chunksectors check in blkstacklimits()
Affected Software
11 affected componentsFixes available
Linux Linux kernel
Microsoft azl3 kernel 6.6.96.2-2
Linux Linux kernel>=5.10<5.10.241
Linux Linux kernel>=5.11<5.15.190
Linux Linux kernel>=5.16<6.1.149
Linux Linux kernel>=6.2<6.6.103
Linux Linux kernel>=6.7<6.12.43
Linux Linux kernel>=6.13<6.15.11
Linux Linux kernel>=6.16<6.16.2
Debian Debian Linux=11.0
Microsoft cbl2 kernel 5.15.186.1-1
Event History
Sep 12, 2025
CVE Published
via MITRE·03:59 PM
Data Sourced
via MITRE·03:59 PM
Description
Data Sourced
via NVD·04:15 PM
RemedyDescriptionSeverityWeaknessAffected Software
Sep 16, 2025
Data Sourced
via Microsoft·01:01 AM
DescriptionSeverityWeaknessAffected Software
Updated
via Microsoft·08:01 AM
DescriptionSeverity
Updated
via Microsoft·08:01 AM
SeverityAffected Software
Frequently Asked Questions
1
What is the severity of CVE-2025-39795?
The severity of CVE-2025-39795 is classified as medium due to potential overflow risks.
2
How do I fix CVE-2025-39795?
Fix CVE-2025-39795 by updating the Linux kernel to the latest version that incorporates patches for this vulnerability.
3
Which systems are affected by CVE-2025-39795?
CVE-2025-39795 affects various versions of the Linux kernel that utilize the blk_stack_limits() function.
4
What is the impact of CVE-2025-39795?
The impact of CVE-2025-39795 includes potential corruption of memory due to unchecked value conditions in the block layer.
5
Is CVE-2025-39795 exploitable remotely?
CVE-2025-39795 is not considered remotely exploitable as it requires local access to the affected system.