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CVE-2023-53722

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CVE-2023-53722

Published: Oct 22, 2025

Modified: May 11, 2026

PUBLISHED

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.

VendorProductVersions

Linux

Linux

affected
b8321b68d1445f308324517e45fb0a5c2b48e271 - < beedf40f73939f248c81802eda08a2a8148ea13e
affected
b8321b68d1445f308324517e45fb0a5c2b48e271 - < 91fbd4e75cb573f44d2619a9dc2f9ba927040760
affected
b8321b68d1445f308324517e45fb0a5c2b48e271 - < 25a68f2286be56fb3a6f9fa0e269c04b5e6c6e24
affected
b8321b68d1445f308324517e45fb0a5c2b48e271 - < 7993cfc041481a3a9cd4a3858088fc846b8ccaf7
affected
b8321b68d1445f308324517e45fb0a5c2b48e271 - < 4f96c0665f9f4cf70130c9757750dc43dc679c82

+3 more versions

Linux

Linux

affected
3.3
unaffected
0 - < 3.3
unaffected
4.14.326 - <= 4.14.*
unaffected
4.19.295 - <= 4.19.*
unaffected
5.4.257 - <= 5.4.*

+5 more versions

References

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