CVE-2023-53269

Source
https://cve.org/CVERecord?id=CVE-2023-53269
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-53269.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2023-53269
Downstream
Published
2025-09-16T08:06:58Z
Modified
2026-08-12T03:51:45Z
Severity
  • 5.5 (Medium) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
Summary
block: ublk: make sure that block size is set correctly
Details

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.

Database specific
{
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/53xxx/CVE-2023-53269.json"
}
References

Affected packages

Git / git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git

Affected ranges

Type
GIT
Repo
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Events
Introduced
71f28f3136aff5890cd56de78abc673f8393cad9
Fixed
231a49460ac0203270da2471928d392e5586370f
Fixed
9dbe85ac618ef6ae60abe5dd17ae2b29065d9c1e
Fixed
1d1665279a845d16c93687389e364386e3fe0f38

Database specific

source
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-53269.json"

Linux / Kernel

Package

Name
Kernel

Affected ranges

Type
ECOSYSTEM
Events
Introduced
6.0.0
Fixed
6.1.24
Type
ECOSYSTEM
Events
Introduced
6.2.0
Fixed
6.2.11

Database specific

source
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-53269.json"