vulnerability
Ubuntu: (CVE-2021-1048): linux vulnerability
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 7 | (AV:L/AC:L/Au:N/C:C/I:C/A:C) | Dec 15, 2021 | Nov 19, 2024 | Sep 5, 2025 |
Severity
7
CVSS
(AV:L/AC:L/Au:N/C:C/I:C/A:C)
Published
Dec 15, 2021
Added
Nov 19, 2024
Modified
Sep 5, 2025
Description
In ep_loop_check_proc of eventpoll.c, there is a possible way to corrupt memory due to a use after free. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-204573007References: Upstream kernel
Solutions
ubuntu-upgrade-linuxubuntu-upgrade-linux-awsubuntu-upgrade-linux-aws-fipsubuntu-upgrade-linux-aws-hweubuntu-upgrade-linux-azureubuntu-upgrade-linux-azure-4-15ubuntu-upgrade-linux-azure-fipsubuntu-upgrade-linux-dell300xubuntu-upgrade-linux-fipsubuntu-upgrade-linux-gcpubuntu-upgrade-linux-gcp-4-15ubuntu-upgrade-linux-hweubuntu-upgrade-linux-kvmubuntu-upgrade-linux-oracleubuntu-upgrade-linux-raspi2ubuntu-upgrade-linux-snapdragon
References
- CVE-2021-1048
- https://attackerkb.com/topics/CVE-2021-1048
- CWE-416
- URL-https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=77f4689de17c0887775bb77896f4cc11a39bf848
- URL-https://source.android.com/security/bulletin/2021-11-01
- URL-https://www.cisa.gov/known-exploited-vulnerabilities-catalog
- URL-https://www.cve.org/CVERecord?id=CVE-2021-1048
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