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USN-7234-5 Not scored

linux-aws-5.4 linux-raspi-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)

Exploit probability Not scored
Published February 25, 2025
Required by Not available
Last source change August 6, 2026

02 / AFFECTED SOFTWARE

Affected packages

Ubuntu:Pro:18.04:LTS linux-aws-5.4

90 explicit affected versions

Ubuntu:Pro:18.04:LTS linux-raspi-5.4

86 explicit affected versions

03 / CONNECTIONS

Connected vulnerabilities

04 / EVIDENCE

Source records

Open Source Vulnerabilities USN-7234-5

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)

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05 / REFERENCES

Further evidence