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CVE-2023-53800

7.8 · HIGH
Published Dec 9, 2025 EPSS 0.14% (3th pctl)

Overview

CVE-2023-53800 is a high-severity vulnerability. It was published on December 9, 2025 and has a CVSS 3.1 base score of 7.8 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.8, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

Technical Description

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

ubi: Fix use-after-free when volume resizing failed

There is an use-after-free problem reported by KASAN:

==================================================================

BUG: KASAN: use-after-free in ubi_eba_copy_table+0x11f/0x1c0 [ubi]

Read of size 8 at addr ffff888101eec008 by task ubirsvol/4735

CPU: 2 PID: 4735 Comm: ubirsvol

Not tainted 6.1.0-rc1-00003-g84fa3304a7fc-dirty #14

Hardware name: QEMU Standard PC (i440FX + PIIX, 1996),

BIOS 1.14.0-1.fc33 04/01/2014

Call Trace:

<TASK>

dump_stack_lvl+0x34/0x44

print_report+0x171/0x472

kasan_report+0xad/0x130

ubi_eba_copy_table+0x11f/0x1c0 [ubi]

ubi_resize_volume+0x4f9/0xbc0 [ubi]

ubi_cdev_ioctl+0x701/0x1850 [ubi]

__x64_sys_ioctl+0x11d/0x170

do_syscall_64+0x35/0x80

entry_SYSCALL_64_after_hwframe+0x46/0xb0

</TASK>

When ubi_change_vtbl_record() returns an error in ubi_resize_volume(),

"new_eba_tbl" will be freed on error

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-2023-53800?

CVE-2023-53800 is a high-severity vulnerability. It was published on December 9, 2025 and has a CVSS 3.1 base score of 7.8 (HIGH).

How severe is CVE-2023-53800?

This vulnerability has a CVSS 3.1 base score of 7.8, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2023-53800?

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-2023-53800?

CyberStrike's AI-powered security agents can automatically detect CVE-2023-53800 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.