CVE-2023-53722
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.
Affected versions
Linux kernel versions
3.3
and later are affected. Fixed in
4.14.326,
4.19.295,
5.4.257,
5.10.197,
5.15.133,
6.1.55,
6.5.5,
6.6
and their respective stable series.
References
The following references provide additional information about CVE-2023-53722 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.
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PatchKernel patch commithttps://git.kernel.org/stable/c/25a68f2286be56fb3a6f9fa0e269c04b5e6c6e24
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PatchKernel patch commithttps://git.kernel.org/stable/c/4bdb92eaf645e312975357adc3c4e9523b6e67f1
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PatchKernel patch commithttps://git.kernel.org/stable/c/4f7d853b4590fc20e90dd50e346c02811a8c5b08
Frequently asked questions
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What is CVE-2023-53722?
CVE-2023-53722 is a unscored severity Linux kernel vulnerability . It affects Linux kernel versions from 3.3 onward and has been patched in 4.14.326, 4.19.295, 5.4.257 and others. CVE-2023-53722 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
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Is there a patch available for CVE-2023-53722?
Yes — CVE-2023-53722 has been patched. Fixed versions include 4.14.326, 4.19.295, 5.4.257 and others. If you are running Linux kernel 3.3 or later up to the fix versions, apply the relevant patch for your kernel branch.
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Is CVE-2023-53722 actively exploited?
No — CVE-2023-53722 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.