vulnerability
Ubuntu: (CVE-2021-39656): linux vulnerability
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 5 | (AV:L/AC:L/Au:N/C:P/I:P/A:P) | Dec 15, 2021 | Nov 19, 2024 | Sep 5, 2025 |
Severity
5
CVSS
(AV:L/AC:L/Au:N/C:P/I:P/A:P)
Published
Dec 15, 2021
Added
Nov 19, 2024
Modified
Sep 5, 2025
Description
In __configfs_open_file of file.c, there is a possible use-after-free due to improper locking. This could lead to local escalation of privilege in the kernel with System execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-174049066References: Upstream kernel
Solutions
ubuntu-upgrade-linuxubuntu-upgrade-linux-awsubuntu-upgrade-linux-aws-5-4ubuntu-upgrade-linux-aws-fipsubuntu-upgrade-linux-aws-hweubuntu-upgrade-linux-azureubuntu-upgrade-linux-azure-4-15ubuntu-upgrade-linux-azure-5-4ubuntu-upgrade-linux-azure-fdeubuntu-upgrade-linux-azure-fipsubuntu-upgrade-linux-dell300xubuntu-upgrade-linux-fipsubuntu-upgrade-linux-gcpubuntu-upgrade-linux-gcp-4-15ubuntu-upgrade-linux-gcp-5-4ubuntu-upgrade-linux-gcp-fipsubuntu-upgrade-linux-gkeubuntu-upgrade-linux-gke-5-4ubuntu-upgrade-linux-gkeopubuntu-upgrade-linux-gkeop-5-4ubuntu-upgrade-linux-hweubuntu-upgrade-linux-hwe-5-4ubuntu-upgrade-linux-kvmubuntu-upgrade-linux-oem-5-10ubuntu-upgrade-linux-oracleubuntu-upgrade-linux-oracle-5-4ubuntu-upgrade-linux-raspiubuntu-upgrade-linux-raspi-5-4ubuntu-upgrade-linux-raspi2ubuntu-upgrade-linux-snapdragon
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