vulnerability
Red Hat: CVE-2023-53722: kernel: md: raid1: fix potential OOB in raid1_remove_disk() (Multiple Advisories)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 4 | (AV:L/AC:L/Au:M/C:N/I:N/A:C) | Oct 22, 2025 | Nov 14, 2025 | Nov 17, 2025 |
Severity
4
CVSS
(AV:L/AC:L/Au:M/C:N/I:N/A:C)
Published
Oct 22, 2025
Added
Nov 14, 2025
Modified
Nov 17, 2025
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.
Solutions
redhat-upgrade-kernelredhat-upgrade-kernel-rt
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