CVE-2024-50116
Last modified
CVE-2024-50116 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 due to missing clearing of buffer delay flag Syzbot reported that after nilfs2 reads a corrupted file system image and degrades to read-only, the BUG_ON check for the buffer delay flag in submit_bh_wbc() may fail, causing a kernel bug. This is because the buffer delay flag is not cleared when clearing the buffer state flags to discard a page/folio or a buffer head. So, fix this. This became necessary when the use of nilfs2's own page clear routine was expanded. EPSS estimates a 0.24% chance of exploitation in the next 30 days.
Description
In the Linux kernel, the following vulnerability has been resolved: nilfs2: fix kernel bug due to missing clearing of buffer delay flag Syzbot reported that after nilfs2 reads a corrupted file system image and degrades to read-only, the BUG_ON check for the buffer delay flag in submit_bh_wbc() may fail, causing a kernel bug. This is because the buffer delay flag is not cleared when clearing the buffer state flags to discard a page/folio or a buffer head. So, fix this. This became necessary when the use of nilfs2's own page clear routine was expanded. This state inconsistency does not occur if the buffer is written normally by log writing.
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 | >= 3.10, < 4.19.323 | — |
| Linux | Linux Kernel | >= 4.20, < 5.4.285 | — |
| Linux | Linux Kernel | >= 5.5, < 5.10.229 | — |
| Linux | Linux Kernel | >= 5.11, < 5.15.170 | — |
| Linux | Linux Kernel | >= 5.16, < 6.1.115 | — |
| Linux | Linux Kernel | >= 6.2, < 6.6.59 | — |
| Linux | Linux Kernel | >= 6.7, < 6.11.6 | — |
| Linux | Linux Kernel | 6.12 | Rc1 |
References
Timeline
- Published
- Last Modified
- Status
- Modified
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