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CVE-2022-50631

In the Linux kernel, the following vulnerability has been resolved: RISC-V: kexec: Fix memory leak of fdt buffer This is reported by kmemleak detector: unreferenced object 0xff60000082864000 (si…

Published Dec 9, 2025EPSS 0.20%

Overview

CVE-2022-50631 is a known-severity vulnerability. It was published on December 9, 2025.

Technical description

In the Linux kernel, the following vulnerability has been resolved:

RISC-V: kexec: Fix memory leak of fdt buffer

This is reported by kmemleak detector:

unreferenced object 0xff60000082864000 (size 9588):

comm "kexec", pid 146, jiffies 4294900634 (age 64.788s)

hex dump (first 32 bytes):

d0 0d fe ed 00 00 12 ed 00 00 00 48 00 00 11 40 ...........H...@

00 00 00 28 00 00 00 11 00 00 00 02 00 00 00 00 ...(............

backtrace:

[<00000000f95b17c4>] kmemleak_alloc+0x34/0x3e

[<00000000b9ec8e3e>] kmalloc_order+0x9c/0xc4

[<00000000a95cf02e>] kmalloc_order_trace+0x34/0xb6

[<00000000f01e68b4>] __kmalloc+0x5c2/0x62a

[<000000002bd497b2>] kvmalloc_node+0x66/0xd6

[<00000000906542fa>] of_kexec_alloc_and_setup_fdt+0xa6/0x6ea

[<00000000e1166bde>] elf_kexec_load+0x206/0x4ec

[<0000000036548e09>] kexec_image_load_default+0x40/0x4c

[<0000000079fbe1b4>] sys_kexec_file_load+0x1c4/0x322

[<0000000040c62c03>] ret_from_syscall+0x0/0x2

In elf_kexec_load(

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Frequently asked questions

What is CVE-2022-50631?

CVE-2022-50631 is a known-severity vulnerability. It was published on December 9, 2025.

How severe is CVE-2022-50631?

CVSS score information is not yet available for this vulnerability. Check back as the CVE record is updated by NVD analysts.

How do I fix or remediate CVE-2022-50631?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2022-50631?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2022-50631 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.