PT-2025-37874 · Linux+1 · Linux Kernel+1

Published 2025-09-16 · Updated 2025-12-03 · CVE-2023-53269

Positive Technologies (AI Summary)

CVSS v3.1

5.5

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions Linux kernel (affected versions not specified)

Description A flaw exists in the Linux kernel's block layer where an incorrect block size could cause a kernel panic. The issue stems from an improper setting of the block size, a critical parameter for block layer operations. If ublk validate params() fails, the code now clears ub->params to prevent the addition of the disk.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Related Identifiers

CVE-2023-53269

Affected Products

Astra Linux

Linux Kernel

References · 17

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/53xxx/CVE-2023-53269.json · Exploit
• https://osv.dev/vulnerability/BELL-CVE-2023-53269 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2023-53269 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2023-53269 · Security Note
• https://osv.dev/vulnerability/DEBIAN-CVE-2023-53269 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2023-53269 · Vendor Advisory
• https://git.kernel.org/stable/c/9dbe85ac618ef6ae60abe5dd17ae2b29065d9c1e · Patch
• https://ubuntu.com/security/CVE-2023-53269 · Vendor Advisory
• https://git.kernel.org/stable/c/231a49460ac0203270da2471928d392e5586370f · Patch
• https://cve.org/CVERecord?id=CVE-2023-53269 · Security Note
• https://git.kernel.org/stable/c/1d1665279a845d16c93687389e364386e3fe0f38 · Patch
• https://osv.dev/vulnerability/CVE-2023-53269 · Vendor Advisory
• https://git.kernel.org/linus/1d1665279a845d16c93687389e364386e3fe0f38 · Note
• https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git · Note
• https://twitter.com/CVEnew/status/1969291965498831108 · Twitter Post