CVE-2022-49577

CVSS 3.1 Score 4.7 of 10 (medium)

Details

Published Feb 26, 2025

Updated: Mar 10, 2025

CWE ID 362

Summary

CVE-2022-49577 is a vulnerability discovered in the Linux kernel that affects the UDP protocol. The issue lies in the interaction between the functions sysctl_udp_l3mdev_accept and sysctl_udp_l3mdev_accept, where a data race occurs during concurrent access. As a result, the reader may not obtain the correct value, leading to potential security implications. This vulnerability has been mitigated by adding the READ_ONCE() mechanism to the reader, ensuring that the correct value is read before any other changes can be made.

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Linux Kernel

Affected Vendors

LINUX

Advisories, Assessments, and Mitigations

https://app.recordedfuture.com/live/sc/entity/3usy82
https://www.cve.org/CVERecord?id=CVE-2022-49577
https://nvd.nist.gov/vuln/detail/CVE-2022-49577

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