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Description

In the Linux kernel, the following vulnerability has been resolved: Revert "f2fs: block cache/dio write during f2fs_enable_checkpoint()" This reverts commit 196c81fdd438f7ac429d5639090a9816abb9760a. Original patch may cause below deadlock, revert it. write remount - write_begin - lock_page --- lock A - prepare_write_begin - f2fs_map_lock - f2fs_enable_checkpoint - down_write(cp_enable_rwsem) --- lock B - sync_inode_sb - writepages - lock_page --- lock A - down_read(cp_enable_rwsem) --- lock A

PUBLISHED Reserved 2026-01-13 | Published 2026-03-04 | Updated 2026-03-04 | Assigner Linux

Product status

Default status
unaffected

196c81fdd438f7ac429d5639090a9816abb9760a (git) before b6382273801bc7c778545dd8004c9a9d750b4f62
affected

196c81fdd438f7ac429d5639090a9816abb9760a (git) before 3996b70209f145bfcf2afc7d05dd92c27b233b48
affected

Default status
affected

6.19
affected

Any version before 6.19
unaffected

6.19.3 (semver)
unaffected

7.0-rc1 (original_commit_for_fix)
unaffected

References

git.kernel.org/...c/b6382273801bc7c778545dd8004c9a9d750b4f62

git.kernel.org/...c/3996b70209f145bfcf2afc7d05dd92c27b233b48

cve.org (CVE-2026-23232)

nvd.nist.gov (CVE-2026-23232)

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