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CVE-2024-43828 In the Linux kernel, the following vulnerability has been resolved: ext4: fix infinite loop when replaying fast_commit…
Description
In the Linux kernel, the following vulnerability has been resolved: ext4: fix infinite loop when replaying fast_commit When doing fast_commit replay an infinite loop may occur due to an uninitialized extent_status struct. ext4_ext_determine_insert_hole() does not detect the replay and calls ext4_es_find_extent_range(), which will return immediately without initializing the 'es' variable. Because 'es' contains garbage, an integer overflow may happen causing an infinite loop in this function, easily reproducible using fstest generic/039. This commit fixes this issue by unconditionally initializing the structure in function ext4_es_find_extent_range(). Thanks to Zhang Yi, for figuring out the real problem!
Produits et versions touchés
| Produit | Versions touchées | Corrigé en |
|---|---|---|
| Linux 6.11 | premières → < 6.11 | 6.11 |
| Linux 6.10 | premières → < 6.10.3 | 6.10.3 |
| Linux 6.6 | premières → < 6.6.44 | 6.6.44 |
| Linux 6.1 | premières → < 6.1.103 | 6.1.103 |
| Linux 5.15 | premières → < 5.15.165 | 5.15.165 |
| Linux | 5.10 | 5.10.224 |
| SIMATIC S7-1500 TM MFP - GNU/Linux subsystem 1.1 | premières → < 1.1.1 | 1.1.1 |
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