by Kastro CVE-2026-43117
Linux Linux — btrfs: tracepoints: get correct superblock from dentry in event btrfs_sync_file()
Description · from the CVE record
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.
Affected
ProductAffectedFixed inSource
Linuxbc074524e123ded281cde25ebc5661910f9679e3 – < 4a7bab35fad5251c8cb738161152578cd83b6b9c4a7bab35fad5251c8cb738161152578cd83b6b9cCNA
Linuxbc074524e123ded281cde25ebc5661910f9679e3 – < 520e8b4bcf872a534a7bf61ccf880047642df296520e8b4bcf872a534a7bf61ccf880047642df296CNA
Linuxbc074524e123ded281cde25ebc5661910f9679e3 – < e252db8ca2a01f82d472091f35d549b313278636e252db8ca2a01f82d472091f35d549b313278636CNA
Linuxbc074524e123ded281cde25ebc5661910f9679e3 – < c09a7446aab5773f38d6abb25fce99b8e1dfbc97c09a7446aab5773f38d6abb25fce99b8e1dfbc97CNA
Linuxbc074524e123ded281cde25ebc5661910f9679e3 – < 32372781d664a9b03c40343e96c29d0a6139f97d32372781d664a9b03c40343e96c29d0a6139f97dCNA
Linuxbc074524e123ded281cde25ebc5661910f9679e3 – < 2e4adfaec97ee053ad1bdfb5036845e66f7e0d8a2e4adfaec97ee053ad1bdfb5036845e66f7e0d8aCNA
Linuxbc074524e123ded281cde25ebc5661910f9679e3 – < d110d7cdb045715c0b45b0dfd974525bb38f653dd110d7cdb045715c0b45b0dfd974525bb38f653dCNA
Linuxbc074524e123ded281cde25ebc5661910f9679e3 – < a85b46db143fda5869e7d8df8f258ccef5fa1719a85b46db143fda5869e7d8df8f258ccef5fa1719CNA
Linux4.8–CNA
SIMATIC S7-1500 TM MFP - GNU/Linux subsystemall versions–siemens-SADP
Scores by source
Linux (CNA)9.1CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
CISA ADPSSVCExploitation: none · Automatable: yes · Technical impact: partial