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CVE-2024-26993 In the Linux kernel, the following vulnerability has been resolved: fs: sysfs: Fix reference leak in…
Description
In the Linux kernel, the following vulnerability has been resolved: fs: sysfs: Fix reference leak in sysfs_break_active_protection() The sysfs_break_active_protection() routine has an obvious reference leak in its error path. If the call to kernfs_find_and_get() fails then kn will be NULL, so the companion sysfs_unbreak_active_protection() routine won't get called (and would only cause an access violation by trying to dereference kn->parent if it was called). As a result, the reference to kobj acquired at the start of the function will never be released. Fix the leak by adding an explicit kobject_put() call when kn is NULL.
Produits et versions touchés
| Produit | Versions touchées | Corrigé en |
|---|---|---|
| Linux 6.9 | premières → < 6.9 | 6.9 |
| Linux 6.8 | premières → < 6.8.8 | 6.8.8 |
| Linux 6.6 | premières → < 6.6.29 | 6.6.29 |
| Linux 6.1 | premières → < 6.1.88 | 6.1.88 |
| Linux 5.15 | premières → < 5.15.157 | 5.15.157 |
| Linux 5.10 | premières → < 5.10.216 | 5.10.216 |
| Linux 5.4 | premières → < 5.4.275 | 5.4.275 |
| Linux | 4.19 | 4.19.313 |
| RUGGEDCOM RST2428P 3.1 | premières → < 3.1 | 3.1 |
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| Produit | Versions touchées | Corrigé en |
|---|---|---|
| SCALANCE XC-300/XR-300/XC-400/XR-500WG/XR-500 family | Versions non publiées | |
| SCALANCE XCM-/XRM-/XCH-/XRH-300 family 3.1 | premières → < 3.1 | 3.1 |
| SIMATIC S7-1500 TM MFP - GNU/Linux subsystem 1.1 | premières → < 1.1.1 | 1.1.1 |
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