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

What is CVE-2024-50284?

CVE-2024-50284 is a high-severity vulnerability in Linux kernel, published on 19 Nov 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official 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.

Weakness: CWE-754

Which versions are affected by CVE-2024-50284?

It affects 1 product.

Products include Linux kernel.

How do I fix CVE-2024-50284?

Apply the vendor's patch.

Is CVE-2024-50284 being exploited?

There is no known exploitation of CVE-2024-50284 in the wild and no public exploit code.

Other vulnerabilities in Linux kernel

• CVE-2026-53266 Linux Kernel Out-of-Bounds Write Exploited High 8.8
• CVE-2013-6282 Linux Kernel Improper Input Validation Exploited High 8.8
• CVE-2022-0185 Linux Kernel Heap-Based Buffer Overflow Exploited High 8.4
• CVE-2013-2094 Linux Kernel Privilege Escalation Exploited High 8.4
• CVE-2026-53362 Linux Kernel Unspecified Exploited High 7.8

All Linux kernel vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as AZL-53531, AZL-53715, BELL-CVE-2024-50284, DEBIAN-CVE-2024-50284, GHSA-cf97-gpjm-x8fj, ROOT-OS-UBUNTU-2204-CVE-2024-50284 and 1 more.