vulnerability
Ubuntu: (Multiple Advisories) (CVE-2021-0920): Linux kernel vulnerabilities
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 7 | (AV:L/AC:M/Au:N/C:C/I:C/A:C) | Dec 15, 2021 | Apr 1, 2022 | Sep 1, 2025 |
Severity
7
CVSS
(AV:L/AC:M/Au:N/C:C/I:C/A:C)
Published
Dec 15, 2021
Added
Apr 1, 2022
Modified
Sep 1, 2025
Description
In unix_scm_to_skb of af_unix.c, there is a possible use after free bug due to a race condition. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-196926917References: Upstream kernel
Solutions
ubuntu-upgrade-linux-image-3-13-0-207-genericubuntu-upgrade-linux-image-3-13-0-207-lowlatencyubuntu-upgrade-linux-image-4-4-0-1103-awsubuntu-upgrade-linux-image-4-4-0-1104-kvmubuntu-upgrade-linux-image-4-4-0-1139-awsubuntu-upgrade-linux-image-4-4-0-223-genericubuntu-upgrade-linux-image-4-4-0-223-lowlatencyubuntu-upgrade-linux-image-awsubuntu-upgrade-linux-image-genericubuntu-upgrade-linux-image-generic-lts-trustyubuntu-upgrade-linux-image-generic-lts-xenialubuntu-upgrade-linux-image-kvmubuntu-upgrade-linux-image-lowlatencyubuntu-upgrade-linux-image-lowlatency-lts-xenialubuntu-upgrade-linux-image-serverubuntu-upgrade-linux-image-virtualubuntu-upgrade-linux-image-virtual-lts-xenial
References
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