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CVE-2024-57940 In the Linux kernel, the following vulnerability has been resolved: exfat: fix the infinite loop in exfat_readdir() If…
Description
In the Linux kernel, the following vulnerability has been resolved: exfat: fix the infinite loop in exfat_readdir() If the file system is corrupted so that a cluster is linked to itself in the cluster chain, and there is an unused directory entry in the cluster, 'dentry' will not be incremented, causing condition 'dentry < max_dentries' unable to prevent an infinite loop. This infinite loop causes s_lock not to be released, and other tasks will hang, such as exfat_sync_fs(). This commit stops traversing the cluster chain when there is unused directory entry in the cluster to avoid this infinite loop.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Linux 6.13 | earliest → < 6.13 | 6.13 |
| Linux 6.12 | earliest → < 6.12.10 | 6.12.10 |
| Linux 6.6 | earliest → < 6.6.72 | 6.6.72 |
| Linux 6.1 | earliest → < 6.1.125 | 6.1.125 |
| Linux 5.15 | earliest → < 5.15.177 | 5.15.177 |
| Linux 5.10 | earliest → < 5.10.234 | 5.10.234 |
| Linux | 5.7 | No fix stated |
| SIMATIC S7-1500 TM MFP - BIOS | Versions not published | |
| SIMATIC S7-1500 TM MFP - GNU/Linux subsystem 1.1 | earliest → < 1.1.1 | 1.1.1 |
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