CVE-2025-39795
MEDIUMLinux Kernel - Buffer Overflow
Title source: llmDescription
In the Linux kernel, the following vulnerability has been resolved: block: avoid possible overflow for chunk_sectors check in blk_stack_limits() In blk_stack_limits(), we check that the t->chunk_sectors value is a multiple of the t->physical_block_size value. However, by finding the chunk_sectors value in bytes, we may overflow the unsigned int which holds chunk_sectors, so change the check to be based on sectors.
References (10)
Scores
CVSS v3
5.5
EPSS
0.0001
EPSS Percentile
1.7%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Classification
CWE
CWE-674
Status
published
Affected Products (9)
linux/linux_kernel
< 5.10.241
debian/debian_linux
linux/Kernel
< 5.10.241linux
linux/Kernel
< 5.15.190linux
linux/Kernel
< 6.1.149linux
linux/Kernel
< 6.6.103linux
linux/Kernel
< 6.12.43linux
linux/Kernel
< 6.15.11linux
linux/Kernel
< 6.16.2linux
Timeline
Published
Sep 12, 2025
Tracked Since
Feb 18, 2026