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Description

In the Linux kernel, the following vulnerability has been resolved: fs/ntfs3: don't hold ni_lock when calling truncate_setsize() syzbot is reporting hung task at do_user_addr_fault() [1], for there is a silent deadlock between PG_locked bit and ni_lock lock. Since filemap_update_page() calls filemap_read_folio() after calling folio_trylock() which will set PG_locked bit, ntfs_truncate() must not call truncate_setsize() which will wait for PG_locked bit to be cleared when holding ni_lock lock.

PUBLISHED Reserved 2025-09-15 | Published 2025-09-15 | Updated 2025-09-15 | Assigner Linux

Product status

Default status
unaffected

4342306f0f0d5ff4315a204d315c1b51b914fca5 (git) before 8414983c2e649364d8af29080a0869266b31abb6
affected

4342306f0f0d5ff4315a204d315c1b51b914fca5 (git) before 6bb6b1c6b0c31e36736b87a39dd1cbbd9d5ec22f
affected

4342306f0f0d5ff4315a204d315c1b51b914fca5 (git) before 73fee7e1e5ea11b51c51c46e0577a197ca3602cf
affected

4342306f0f0d5ff4315a204d315c1b51b914fca5 (git) before 0226635c304cfd5c9db9b78c259cb713819b057e
affected

Default status
affected

5.15
affected

Any version before 5.15
unaffected

5.15.87 (semver)
unaffected

6.0.19 (semver)
unaffected

6.1.5 (semver)
unaffected

6.2 (original_commit_for_fix)
unaffected

References

git.kernel.org/...c/8414983c2e649364d8af29080a0869266b31abb6

git.kernel.org/...c/6bb6b1c6b0c31e36736b87a39dd1cbbd9d5ec22f

git.kernel.org/...c/73fee7e1e5ea11b51c51c46e0577a197ca3602cf

git.kernel.org/...c/0226635c304cfd5c9db9b78c259cb713819b057e

cve.org (CVE-2023-53163)

nvd.nist.gov (CVE-2023-53163)

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