CVE-2023-53380

In the Linux kernel, the following vulnerability has been resolved: md/raid10: fix null-ptr-deref of mreplace in raid10_sync_request There are two check of 'mreplace' in raid10_sync_request(). In the first check, 'need_replace' will be set and 'mreplace' will be used later if no-Faulty 'mreplace' exists, In the second check, 'mreplace' will be set to NULL if it is Faulty, but 'need_replace' will not be changed accordingly. null-ptr-deref occurs if Faulty is set between two check. Fix it by merging two checks into one. And replace 'need_replace' with 'mreplace' because their values are always the same.

The following products are affected by CVE-2023-53380 vulnerability.

Here, you will find a curated list of external links that provide in-depth information to CVE-2023-53380.

URL	Resource
https://git.kernel.org/stable/c/144c7fd008e0072b0b565f1157eec618de54ca8a
https://git.kernel.org/stable/c/222cc459d59857ee28a5366dc225ab42b22f9272
https://git.kernel.org/stable/c/2990e2ece18dd4cca71b3109c80517ad94adb065
https://git.kernel.org/stable/c/34817a2441747b48e444cb0e05d84e14bc9443da
https://git.kernel.org/stable/c/45fa023b3334a7ae6f6c4eb977295804222dfa28
https://git.kernel.org/stable/c/b5015b97adda6a24dd3e713c63e521ecbeff25c6
https://git.kernel.org/stable/c/f4368a462b1f9a8ecc2fdb09a28c3d4cad302a4f
https://lore.kernel.org/linux-cve-announce/2025091856-CVE-2023-53380-b2e0@gregkh/T
https://nvd.nist.gov/vuln/detail/CVE-2023-53380
https://www.cve.org/CVERecord?id=CVE-2023-53380