PT-2025-52987 · Linux+1 · Linux Kernel+1

Published 2025-12-24 · Updated 2026-03-24 · CVE-2023-54030

Positive Technologies (AI Summary)

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

Description A flaw exists in the Linux kernel’s io uring/net subsystem related to multishot receive completion queue entries (CQEs). The issue involves a potential overflow that could lead to performance degradation and, in severe cases, out-of-memory (OOM) conditions for the affected task. The vulnerability arises from not properly handling overflowing multishot receive CQEs.

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

Exploit

Related Identifiers

CVE-2023-54030

RHSA-2024:2394

SUSE-SU-2026:0278-1

SUSE-SU-2026:0281-1

SUSE-SU-2026:0293-1

SUSE-SU-2026:0315-1

SUSE-SU-2026:20477-1

SUSE-SU-2026:20498-1

SUSE-SU-2026:20845-1

SUSE-SU-2026:20876-1

Affected Products

Debian

Linux Kernel

References · 1456

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/54xxx/CVE-2023-54030.json · Exploit
• https://osv.dev/vulnerability/UBUNTU-CVE-2023-54030 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2026:20477-1 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2023-54030 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2026:0293-1 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2026:20876-1 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2023-54030 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2026:0315-1 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2026:20845-1 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2026:0278-1 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2023-54030 · Security Note
• https://osv.dev/vulnerability/SUSE-SU-2026:0281-1 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2023-54030 · Vendor Advisory
• https://osv.dev/vulnerability/ROOT-OS-DEBIAN-12-CVE-2023-54030 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2023-54030 · Security Note