PT-2018-2987
CVE-2018-19824
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تاريخ النشر
2018-12-02
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تاريخ التحديث
2026-10-21
الوصف من
CVSS 3.1
7.8
عاليةالمقاييسAV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Name of the Vulnerable Software and Affected Versions
Linux kernel versions prior to 4.19.7
Description
The issue is related to a use-after-free in the ALSA driver. A local user could exploit this by supplying a malicious USB Sound device that is mishandled in the
usb audio probe function in sound/usb/card.c. This could allow an attacker to execute arbitrary code or cause a denial of service.Recommendations
For Linux kernel versions prior to 4.19.7, consider updating to version 4.19.7 or later to resolve the issue. As a temporary workaround, consider restricting the use of USB Sound devices to minimize the risk of exploitation.
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