PT-2025-18815 · Linux+5 · Linux Kernel+5

Published 2023-03-06 · Updated 2026-01-28 · CVE-2023-53051

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 vulnerability in the Linux kernel has been resolved. The issue was related to the dmcrypt write() function, where a loop could run for an unbounded amount of time, causing a soft lockup. This was fixed by adding cond resched() to dmcrypt write(). The problem was identified by a watchdog warning indicating a CPU stuck for 23s. The call trace included functions such as blk attempt bio merge(), blk attempt plug merge(), blk mq submit bio(), submit bio noacct(), and dmcrypt write().

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

Exploit

DoS

Infinite Loop

Improper Locking

Weakness Enumeration

CWE-835

CWE-667

Related Identifiers

ALSA-2025_16880

BDU:2025-06766

CESA-2023_7077

CVE-2023-53051

OESA-2025-1626

OPENSUSE-SU-2025_01620-1

OPENSUSE-SU-2025_01640-1

RHSA-2023:6583

RHSA-2023:7077

RHSA-2023_6583

RHSA-2023_7077

SUSE-SU-2025:01620-1

SUSE-SU-2025:01640-1

SUSE-SU-2025:01918-1

SUSE-SU-2025:01983-1

SUSE-SU-2025:02262-1

SUSE-SU-2025_01620-1

SUSE-SU-2025_01983-1

SUSE-SU-2025_02262-1

Affected Products

Astra Linux

Centos

Linux Kernel

Red Hat

Red Os

Suse

References · 665

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/53xxx/CVE-2023-53051.json · Exploit
• https://git.kernel.org/stable/c/2c743db1193bf0e76c73d71ede08bd9b96e6c31d · Patch
• https://osv.dev/vulnerability/BELL-CVE-2023-53051 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2025-37834 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2022-21546 · Security Note
• https://git.kernel.org/stable/c/7b9f8efb5fc888dd938d2964e705b8e00f1dc0f6 · Patch
• https://git.kernel.org/stable/c/f0eb61b493dbbc32529fbd0d2e945b71b0e47306 · Patch
• https://git.kernel.org/stable/c/fb294b1c0ba982144ca467a75e7d01ff26304e2b · Patch
• https://osv.dev/vulnerability/DEBIAN-CVE-2023-53051 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2023-53051 · Security Note
• https://git.kernel.org/stable/c/e87cd83f70504f1cd2e428966f353c007d6d2d7f · Patch
• https://osv.dev/vulnerability/SUSE-SU-2025:01640-1 · Vendor Advisory
• https://git.kernel.org/stable/c/66ff37993dd7e9954b6446237fe2453b380ce40d · Patch
• https://git.kernel.org/stable/c/885c28ceae7dab2b18c2cc0eb95f1f82b1f629d1 · Patch
• https://osv.dev/vulnerability/UBUNTU-CVE-2023-53051 · Vendor Advisory