Description (CNA)
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.
Affected (CNA)
| Vendor / product | Versions |
|---|---|
| Linux / Linux | affected ee37d7314a32ab6809eacc3389bad0406c69a81f before 45fa023b3334a7ae6f6c4eb977295804222dfa28; affected ee37d7314a32ab6809eacc3389bad0406c69a81f before 2990e2ece18dd4cca71b3109c80517ad94adb065; affected ee37d7314a32ab6809eacc3389bad0406c69a81f before f4368a462b1f9a8ecc2fdb09a28c3d4cad302a4f; affected ee37d7314a32ab6809eacc3389bad0406c69a81f before 222cc459d59857ee28a5366dc225ab42b22f9272; affected ee37d7314a32ab6809eacc3389bad0406c69a81f before b5015b97adda6a24dd3e713c63e521ecbeff25c6; affected ee37d7314a32ab6809eacc3389bad0406c69a81f before 144c7fd008e0072b0b565f1157eec618de54ca8a; affected ee37d7314a32ab6809eacc3389bad0406c69a81f before 34817a2441747b48e444cb0e05d84e14bc9443da |
| Linux / Linux | affected 4.20; unaffected 0 before 4.20; unaffected 5.4.251 through 5.4.*; unaffected 5.10.188 through 5.10.*; unaffected 5.15.121 through 5.15.*; unaffected 6.1.39 through 6.1.*; unaffected 6.3.13 through 6.3.*; unaffected 6.4.4 through 6.4.*; unaffected 6.5 through * |
CWE
No CWE identifiers supplied.
References
- https://git.kernel.org/stable/c/45fa023b3334a7ae6f6c4eb977295804222dfa28
- https://git.kernel.org/stable/c/2990e2ece18dd4cca71b3109c80517ad94adb065
- https://git.kernel.org/stable/c/f4368a462b1f9a8ecc2fdb09a28c3d4cad302a4f
- https://git.kernel.org/stable/c/222cc459d59857ee28a5366dc225ab42b22f9272
- https://git.kernel.org/stable/c/b5015b97adda6a24dd3e713c63e521ecbeff25c6
- https://git.kernel.org/stable/c/144c7fd008e0072b0b565f1157eec618de54ca8a
- https://git.kernel.org/stable/c/34817a2441747b48e444cb0e05d84e14bc9443da
ADP enrichment
No English description supplied.
No references supplied.