CVE-2026-43158
MediumSummary
A vulnerability in the Linux kernel related to freemap adjustments when adding extended attributes (xattrs) to leaf blocks has been resolved. This issue caused an assertion failure in the freemap adjustment code after approximately 20 minutes of running on virtual machines.
Risk Assessment
This vulnerability may lead to system instability, threatening application continuity and data security. In the event of a failure, data loss or service interruption may occur.
Recommendation
It is recommended to update the Linux kernel to the latest version to eliminate this vulnerability. Regular monitoring and testing of virtual systems will also help identify potential issues.
Original NVD description (English source)
In the Linux kernel, the following vulnerability has been resolved: xfs: fix freemap adjustments when adding xattrs to leaf blocks xfs/592 and xfs/794 both trip this assertion in the leaf block freemap adjustment code after ~20 minutes of running on my test VMs: ASSERT(ichdr->firstused >= ichdr-