CVE-2026-43245

In the Linux kernel, the following vulnerability has been resolved: ntfs: ->d_compare() must not block ... so don't use __getname() there. Switch it (and ntfs_d_hash(), while we are at it) to kmalloc(PATH_MAX, GFP_NOWAIT). Yes, ntfs_d_hash() almost certainly can do with smaller allocations, but let ntfs folks deal with that - keep the allocation size as-is for now. Stop abusing names_cachep in ntfs, period - various uses of that thing in there have nothing to do with pathnames; just use k[mz]alloc() and be done with that. For now let's keep sizes as-in, but AFAICS none of the users actually want PATH_MAX.

• https://git.kernel.org/stable/c/02ecc0978c459fd90bb24b2a946dd16d43e68fe5
• https://git.kernel.org/stable/c/142c444a395f4d26055c8a4473e228bb86283f1ePatch
• https://git.kernel.org/stable/c/1be7ca86ce1794d966fda5d82181bc978b150fbc
• https://git.kernel.org/stable/c/ca2a04e84af79596e5cd9cfe697d5122ec39c8cePatch
• https://git.kernel.org/stable/c/fb4b1f969ba01fa1d4088467a02fc1e5f0806710Patch

Published

May 6, 2026

Last Modified

Jun 17, 2026

Status

Modified

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