CVE-2021-0941

Published on: 10/25/2021 12:00:00 AM UTC

Last Modified on: 10/26/2021 02:29:00 PM UTC

CVE-2021-0941

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Certain versions of Android from Google contain the following vulnerability:

In bpf_skb_change_head of filter.c, there is a possible out of bounds read due to a use after free. 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-154177719References: Upstream kernel

CVE-2021-0941 has been assigned by [email protected] to track the vulnerability - currently rated as MEDIUM severity.

CVSS3 Score: 6.7 - MEDIUM

Attack Vector ^ⓘ	Attack Complexity	Privileges Required	User Interaction
LOCAL	LOW	HIGH	NONE
Scope	Confidentiality Impact	Integrity Impact	Availability Impact
UNCHANGED	HIGH	HIGH	HIGH

CVSS2 Score: 7.2 - HIGH

Access Vector^ⓘ	Access Complexity	Authentication
LOCAL	LOW	NONE
Confidentiality Impact	Integrity Impact	Availability Impact
COMPLETE	COMPLETE	COMPLETE

CVE References

Description	Tags ^ⓘ	Link
Pixel Update Bulletin—October 2021 \| Android Open Source Project	source.android.com text/html	MISC source.android.com/security/bulletin/pixel/2021-10-01

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Related QID Numbers

159825 Oracle Enterprise Linux Security Update for kernel (ELSA-2022-1988)
180232 Debian Security Update for linux (CVE-2021-0941)
240275 Red Hat Update for kernel-rt (RHSA-2022:1975)
240298 Red Hat Update for kernel security (RHSA-2022:1988)
610372 Google Pixel Android October 2021 Security Patch Missing
610381 Google Android November 2021 Security Patch Missing for Huawei EMUI
671367 EulerOS Security Update for kernel (EulerOS-SA-2022-1308)
671380 EulerOS Security Update for kernel (EulerOS-SA-2022-1292)
671436 EulerOS Security Update for kernel (EulerOS-SA-2022-1352)
671498 EulerOS Security Update for kernel (EulerOS-SA-2022-1466)
671543 EulerOS Security Update for kernel (EulerOS-SA-2022-1475)
751399 OpenSUSE Security Update for the Linux Kernel (openSUSE-SU-2021:1501-1)
751406 OpenSUSE Security Update for the Linux Kernel (openSUSE-SU-2021:3806-1)
751424 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2021:3848-1)
751436 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2021:3877-1)
751437 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2021:3876-1)
751441 OpenSUSE Security Update for the Linux Kernel (openSUSE-SU-2021:3876-1)
751462 OpenSUSE Security Update for the Linux Kernel (openSUSE-SU-2021:3941-1)
751473 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2021:3969-1)
751476 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2021:3972-1)
940517 AlmaLinux Security Update for kernel (ALSA-2022:1988)

Known Affected Configurations (CPE V2.3)

Type	Vendor	Product	Version	Update	Edition	Language
Operating System	Google	Android	-	All	All	All

cpe:2.3:o:google:android:-:*:*:*:*:*:*:*:

No vendor comments have been submitted for this CVE

Social Mentions

Source	Title	Posted (UTC)
@CVEreport	CVE-2021-0941 : In bpf_skb_change_head of filter.c, there is a possible out of bounds read due to a use after free.… twitter.com/i/web/status/1…	2021-10-25 14:11:30