PT-2025-54071 · Linux+1 · Linux Kernel+1

Published 2023-01-01 · Updated 2026-05-26 · CVE-2023-54242

Positive Technologies (AI Summary)

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 6.2.1-1280.native

Description The Linux kernel contains a flaw within the block, bfq subsystem. Specifically, a division by zero error can occur when the weighted sum is zero during limit calculations. This issue was discovered while running stress tests as root using the command: stress-ng --ioprio 0. The error manifests as a divide error oops.

Recommendations Versions prior to 6.2.1-1280.native should be updated.

Exploit

Related Identifiers

CVE-2023-54242

RHSA-2024:2394

SUSE-SU-2026:0263-1

SUSE-SU-2026:0317-1

SUSE-SU-2026:0350-1

SUSE-SU-2026:0369-1

SUSE-SU-2026:0411-1

SUSE-SU-2026:0617-1

Affected Products

Debian

Linux Kernel

References · 984

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/54xxx/CVE-2023-54242.json · Exploit
• https://osv.dev/vulnerability/SUSE-SU-2026:0317-1 · Vendor Advisory
• https://osv.dev/vulnerability/BELL-CVE-2023-54242 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2026:0617-1 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2023-54242 · Security Note
• https://cve.org/CVERecord?id=CVE-2023-54242 · Security Note
• https://osv.dev/vulnerability/ROOT-OS-UBUNTU-2204-CVE-2023-54242 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2023-54242 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2026:0369-1 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2026:0263-1 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2026:0411-1 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2023-54242 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2026:0350-1 · Vendor Advisory
• https://ubuntu.com/security/CVE-2023-54242 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2023-54242 · Vendor Advisory