CVE-2026-43262
MediumSummary
A vulnerability has been identified in the Linux kernel related to the gfs2_fiemap() function, which can lead to recursive inode lock taking. The issue occurs when the fiemap buffer is memory mapped to the same inode.
Risk Assessment
Recursive lock taking may lead to system crashes or unpredictable behavior, posing a risk to system stability and security.
Recommendation
It is recommended to update the Linux kernel to the latest version to mitigate this vulnerability and to monitor the system for any irregular behavior.
Original NVD description (English source)
In the Linux kernel, the following vulnerability has been resolved: gfs2: fiemap page fault fix In gfs2_fiemap(), we are calling iomap_fiemap() while holding the inode glock. This can lead to recursive glock taking if the fiemap buffer is memory mapped to the same inode and accessing it triggers