CVE-2024-41034
Last modified
CVE-2024-41034 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. In the Linux kernel, the following vulnerability has been resolved: nilfs2: fix kernel bug on rename operation of broken directory Syzbot reported that in rename directory operation on broken directory on nilfs2, __block_write_begin_int() called to prepare block write may fail BUG_ON check for access exceeding the folio/page size. This is because nilfs_dotdot(), which gets parent directory reference entry ("..") of the directory to be moved or renamed, does not check consistency enough, and may return location exceeding folio/page size for broken directories. Fix this issue by checking required directory entries ("." and "..") in the first chunk of the directory in nilfs_dotdot().. EPSS estimates a 0.30% chance of exploitation in the next 30 days.
Description
In the Linux kernel, the following vulnerability has been resolved: nilfs2: fix kernel bug on rename operation of broken directory Syzbot reported that in rename directory operation on broken directory on nilfs2, __block_write_begin_int() called to prepare block write may fail BUG_ON check for access exceeding the folio/page size. This is because nilfs_dotdot(), which gets parent directory reference entry ("..") of the directory to be moved or renamed, does not check consistency enough, and may return location exceeding folio/page size for broken directories. Fix this issue by checking required directory entries ("." and "..") in the first chunk of the directory in nilfs_dotdot().
Metrics
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Affected Software
| Vendor | Product | Versions | Update |
|---|---|---|---|
| Linux | Linux Kernel | >= 2.6.30, < 4.19.318 | — |
| Linux | Linux Kernel | >= 4.20, < 5.4.280 | — |
| Linux | Linux Kernel | >= 5.5, < 5.10.222 | — |
| Linux | Linux Kernel | >= 5.11, < 5.15.163 | — |
| Linux | Linux Kernel | >= 5.16, < 6.1.100 | — |
| Linux | Linux Kernel | >= 6.2, < 6.6.41 | — |
| Linux | Linux Kernel | >= 6.7, < 6.9.10 | — |
| Linux | Linux Kernel | 6.10 | Rc1 |
References
Timeline
- Published
- Last Modified
- Status
- Modified
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