CVE-2026-43245

A flaw was found in the Linux kernel's NTFS filesystem driver. The -dcompare function, responsible for comparing directory entries, was found to perform blocking operations. This behavior, along with the misuse of namescachep for memory allocations, could lead to system unresponsiveness or a deni...

CVE-2026-43245 ntfs: ->d_compare() must not block

In the Linux kernel, the following vulnerability has been resolved: ntfs: -dcompare must not block ... so don't use getname there. Switch it and ntfsdhash, while we are at it to kmallocPATHMAX, GFPNOWAIT. Yes, ntfsdhash almost certainly can do with smaller allocations, but let ntfs folks deal wit...