# CVE-2024-50284: ksmbd: Fix the missing xa_store error check

CVE-2024-50284 is fixed in linux on 1 platform, first by DEBIAN-CVE-2024-50284, released November 19, 2024. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2024-50284
- Priority: Routine
- CVSS: 5.5 (Moderate)
- EPSS: 0.0054
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Nov 19, 2024
- Weakness: Improper Check for Unusual or Exceptional Conditions
- Vendor advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-50284

## Description

In the Linux kernel, the following vulnerability has been resolved:  ksmbd: Fix the missing xa_store error check  xa_store() can fail, it return xa_err(-EINVAL) if the entry cannot be stored in an XArray, or xa_err(-ENOMEM) if memory allocation failed, so check error for xa_store() to fix it.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | linux Debian 12.15 (bookworm) | 6.1.119-1 | [DEBIAN-CVE-2024-50284](https://patchblox.com/security/data/fix/linux/debian-cve-2024-50284.md) | Nov 19, 2024 |
| Linux | linux Debian 13.5 (trixie) | 6.11.9-1 | [DEBIAN-CVE-2024-50284](https://patchblox.com/security/data/fix/linux/debian-cve-2024-50284.md) | Nov 19, 2024 |
| Linux | linux Debian 14 | 6.11.9-1 | [DEBIAN-CVE-2024-50284](https://patchblox.com/security/data/fix/linux/debian-cve-2024-50284.md) | Nov 19, 2024 |

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