Description
In the Linux kernel, the following vulnerability has been resolved:
md: raid1: fix potential OOB in raid1_remove_disk()
If rddev->raid_disk is greater than mddev->raid_disks, there will be an out-of-bounds in raid1_remove_disk(). We have already found similar reports as follows:
1) commit d17f744e883b ("md-raid10: fix KASAN warning") 2) commit 1ebc2cec0b7d ("dm raid: fix KASAN warning in raid5_remove_disk")
Fix this bug by checking whether the "number" variable is valid.
Metrics
No CVSS score has been published yet.
Affected software
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux | >= b8321b68d1445f308324517e45fb0a5c2b48e271, < beedf40f73939f248c81802eda08a2a8148ea13e; >= b8321b68d1445f308324517e45fb0a5c2b48e271, < 91fbd4e75cb573f44d2619a9dc2f9ba927040760; >= b8321b68d1445f308324517e45fb0a5c2b48e271, < 25a68f2286be56fb3a6f9fa0e269c04b5e6c6e24; >= b8321b68d1445f308324517e45fb0a5c2b48e271, < 7993cfc041481a3a9cd4a3858088fc846b8ccaf7; >= b8321b68d1445f308324517e45fb0a5c2b48e271, < 4f96c0665f9f4cf70130c9757750dc43dc679c82; >= b8321b68d1445f308324517e45fb0a5c2b48e271, < 4f7d853b4590fc20e90dd50e346c02811a8c5b08; >= b8321b68d1445f308324517e45fb0a5c2b48e271, < 4bdb92eaf645e312975357adc3c4e9523b6e67f1; >= b8321b68d1445f308324517e45fb0a5c2b48e271, < 8b0472b50bcf0f19a5119b00a53b63579c8e1e4d |
| Linux | Linux | 3.3 |
References
- https://git.kernel.org/stable/c/25a68f2286be56fb3a6f9fa0e269c04b5e6c6e24
- https://git.kernel.org/stable/c/4bdb92eaf645e312975357adc3c4e9523b6e67f1
- https://git.kernel.org/stable/c/4f7d853b4590fc20e90dd50e346c02811a8c5b08
- https://git.kernel.org/stable/c/4f96c0665f9f4cf70130c9757750dc43dc679c82
- https://git.kernel.org/stable/c/7993cfc041481a3a9cd4a3858088fc846b8ccaf7
- https://git.kernel.org/stable/c/8b0472b50bcf0f19a5119b00a53b63579c8e1e4d
- https://git.kernel.org/stable/c/91fbd4e75cb573f44d2619a9dc2f9ba927040760
- https://git.kernel.org/stable/c/beedf40f73939f248c81802eda08a2a8148ea13e
Timeline
- Published
- Oct 22, 2025
- Last modified
- Oct 28, 2026
- NVD status
- Deferred