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CVE-2023-54155

kernel: Linux kernel: Denial of service in network core via incorrect frame size handling

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Severity

Moderate

Red Hat Product Security

4.4

CVSS 3.1

Review impact separately from score.

Published · December 24, 2025

Updated · June 30, 2026

Description

A flaw was found in the Linux kernel. The bpf_xdp_adjust_tail() function, which is part of the network core, contains an unnecessary check for the frame_sz parameter. A local attacker with high privileges could exploit this vulnerability by providing a malformed frame_sz value, potentially leading to a system crash or unresponsiveness, resulting in a denial of service (DoS).

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.1 · 4.4
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H

CWE-617 · Reachable Assertion