CVE-2023-53269

MediumCVSS 5.5/10Last modified Jun 17, 2026

Description

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

block: ublk: make sure that block size is set correctly

block size is one very key setting for block layer, and bad block size could panic kernel easily.

Make sure that block size is set correctly.

Meantime if ublk_validate_params() fails, clear ub->params so that disk is prevented from being added.

Metrics

CVSS 3.1 5.5/10CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Affected software

No affected versions have been published.

Timeline

Published
Sep 16, 2025
Last modified
Jun 17, 2026
NVD status
Modified

Related CVEs from 2023

CVE-2023-53276.5A vulnerability was found in SATO CL4NX-J Plus 1.13.2-u455_r2. It has been rated as problematic. Affected by this issue is some unknown funcCVE-2023-532705.5In the Linux kernel, the following vulnerability has been resolved: ext4: fix i_disksize exceeding i_size problem in paritally written caseCVE-2023-532715.5In the Linux kernel, the following vulnerability has been resolved: ubi: Fix unreferenced object reported by kmemleak in ubi_resize_volume(CVE-2023-532727.1In the Linux kernel, the following vulnerability has been resolved: net: ena: fix shift-out-of-bounds in exponential backoff The ENA adaptCVE-2023-532735.5In the Linux kernel, the following vulnerability has been resolved: Drivers: vmbus: Check for channel allocation before looking up relids CVE-2023-532747.8In the Linux kernel, the following vulnerability has been resolved: clk: mediatek: mt8183: Add back SSPM related clocks This reverts commiCVE-2023-532755.5In the Linux kernel, the following vulnerability has been resolved: ALSA: hda: fix a possible null-pointer dereference due to data race in CVE-2023-532765.5In the Linux kernel, the following vulnerability has been resolved: ubifs: Free memory for tmpfile name When opening a ubifs tmpfile on anCVE-2023-532775.5In the Linux kernel, the following vulnerability has been resolved: wifi: iwl3945: Add missing check for create_singlethread_workqueue AddCVE-2023-532785.5In the Linux kernel, the following vulnerability has been resolved: ubifs: Fix memory leak in ubifs_sysfs_init() When insmod ubifs.ko, a kCVE-2023-532795.5In the Linux kernel, the following vulnerability has been resolved: misc: vmw_balloon: fix memory leak with using debugfs_lookup() When caCVE-2023-53288.8A vulnerability classified as critical has been found in SATO CL4NX-J Plus 1.13.2-u455_r2. This affects an unknown part of the component Coo
CVE-2023-53269: Medium severity, CVSS 5.5 | Vulnix