CVE-2025-21949

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 6.14.0-rc2+ #241

Description A vulnerability in the Linux kernel has been resolved, related to the LoongArch architecture. The issue arises when the base address allocated from hugetlbfs is not aligned with the pmd size, causing a kernel bug. This problem is identified by a dmesg error report message when running the ltp test case "testcases/bin/hugefork02". The fix involves adding a check for hugetlbfs and aligning the base address with the pmd size.

Recommendations For Linux kernel versions prior to 6.14.0-rc2+ #241, update to a newer version that includes the fix for the hugetlb mmap base address alignment issue.