🛡️ USN-7234-2 — linux-hwe-5.4

⚪ Unknown ✅ No Known Exploit OSV
N/A
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

linux-hwe-5.4 vulnerabilities

Ye Zhang and Nicolas Wu discovered that the io_uring subsystem in the Linux

kernel did not properly handle locking for rings with IOPOLL, leading to a

double-free vulnerability. A local attacker could use this to cause a

denial of service (system crash) or possibly execute arbitrary code.

(CVE-2023-21400)

Several security issues were discovered in the Linux kernel.

An attacker could possibly use these to compromise the system.

This update corrects flaws in the following subsystems:

  • TTY drivers;
  • Netfilter;
  • Network traffic control;
  • VMware vSockets driver;

(CVE-2024-53141, CVE-2024-53103, CVE-2024-40967, CVE-2024-53164)

Affected software

USN-7234-2 is recorded against 1 package.

  • linux-hwe-5.4 (fixed in 5.4.0-205.225~18.04.1)

Timeline and source

Published on 30 January 2025 and last revised on 6 August 2026. No public exploit is currently recorded for this entry. Record sourced from OSV.

References

ubuntu.com (Advisory)
ubuntu.com (Report)
ubuntu.com (Report)
ubuntu.com (Report)
ubuntu.com (Report)
ubuntu.com (Report)

Details

Severity Unknown
CVSS Score N/A
CVSS Vector N/A
CWE N/A
Public Exploit ✅ No
Source OSV
Published 2025-01-30
Updated 2026-08-12
Modified 2026-08-06
Fix URL N/A

Affected Packages

Software From version Fixed in
linux-hwe-5.4 — 5.4.0-205.225~18.04.1

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