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Description

In the Linux kernel, the following vulnerability has been resolved: btrfs: tracepoints: get correct superblock from dentry in event btrfs_sync_file() If overlay is used on top of btrfs, dentry->d_sb translates to overlay's super block and fsid assignment will lead to a crash. Use file_inode(file)->i_sb to always get btrfs_sb.

PUBLISHED Reserved 2026-05-01 | Published 2026-05-06 | Updated 2026-05-08 | Assigner Linux




CRITICAL: 9.1CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

Product status

Default status
unaffected

bc074524e123ded281cde25ebc5661910f9679e3 (git) before c09a7446aab5773f38d6abb25fce99b8e1dfbc97
affected

bc074524e123ded281cde25ebc5661910f9679e3 (git) before 32372781d664a9b03c40343e96c29d0a6139f97d
affected

bc074524e123ded281cde25ebc5661910f9679e3 (git) before 2e4adfaec97ee053ad1bdfb5036845e66f7e0d8a
affected

bc074524e123ded281cde25ebc5661910f9679e3 (git) before d110d7cdb045715c0b45b0dfd974525bb38f653d
affected

bc074524e123ded281cde25ebc5661910f9679e3 (git) before a85b46db143fda5869e7d8df8f258ccef5fa1719
affected

Default status
affected

4.8
affected

Any version before 4.8
unaffected

6.6.136 (semver)
unaffected

6.12.83 (semver)
unaffected

6.18.24 (semver)
unaffected

6.19.14 (semver)
unaffected

7.0 (original_commit_for_fix)
unaffected

References

git.kernel.org/...c/c09a7446aab5773f38d6abb25fce99b8e1dfbc97

git.kernel.org/...c/32372781d664a9b03c40343e96c29d0a6139f97d

git.kernel.org/...c/2e4adfaec97ee053ad1bdfb5036845e66f7e0d8a

git.kernel.org/...c/d110d7cdb045715c0b45b0dfd974525bb38f653d

git.kernel.org/...c/a85b46db143fda5869e7d8df8f258ccef5fa1719

cve.org (CVE-2026-43117)

nvd.nist.gov (CVE-2026-43117)

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