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CVE-2021-39648

Public on 2021-12-15
Modified on 2024-02-03
Description

In gadget_dev_desc_UDC_show of configfs.c, there is a possible disclosure of kernel heap memory due to a race condition. This could lead to local information disclosure with System execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-160822094References: Upstream kernel

Severity
Medium
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CVSS v3 Base Score
4.1
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Affected Packages

Platform Package Release Date Advisory
Amazon Linux 1 kernel 2021-02-16 00:13 ALAS-2021-1480
Amazon Linux 2 - Core kernel 2021-02-17 18:07 ALAS2-2021-1600
Amazon Linux 2 - Kernel-5.4 Extra kernel 2022-01-20 19:53 ALAS2KERNEL-5.4-2022-019

CVSS Scores

Score Type Score Vector
Amazon Linux CVSSv3 4.1 CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:N/A:N
NVD CVSSv3 4.1 CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:N/A:N
NVD CVSSv2 1.9 AV:L/AC:M/Au:N/C:P/I:N/A:N