CVE-2023-53269

Published: Sep 16, 2025Modified: Jun 17, 2026

5.5

Vector

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

Exploitability: 1.8 / Impact: 3.6

Source: NVD

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.

Affected (7)

Products: Linux: Linux Kernel

Linux

1 product

Linux Kernel

Configuration A

7 vulnerable

Vulnerable Software	Affected Versions
Linux Linux Kernel	From 6.0 to 6.1.24
Linux Linux Kernel	From 6.2 to 6.2.11
Linux Linux Kernel	Version 6.3 rc1
Linux Linux Kernel	Version 6.3 rc2
Linux Linux Kernel	Version 6.3 rc3
Linux Linux Kernel	Version 6.3 rc4
Linux Linux Kernel	Version 6.3 rc5

References (3)

https://git.kernel.org/stable/c/1d1665279a845d16c93687389e364386e3fe0f38

Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67

Patch

https://git.kernel.org/stable/c/231a49460ac0203270da2471928d392e5586370f

Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67

Patch

https://git.kernel.org/stable/c/9dbe85ac618ef6ae60abe5dd17ae2b29065d9c1e

Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67

Patch

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