High severity7.8NVD Advisory· Published Mar 16, 2022· Updated Jun 17, 2026
CVE-2021-39685
CVE-2021-39685
Description
In various setup methods of the USB gadget subsystem, there is a possible out of bounds write due to an incorrect flag check. 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-210292376References: Upstream kernel
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
45- osv-coords43 versionspkg:rpm/opensuse/dtb-aarch64&distro=openSUSE%20Leap%2015.3pkg:rpm/opensuse/kernel-64kb&distro=openSUSE%20Leap%2015.3pkg:rpm/opensuse/kernel-azure&distro=openSUSE%20Leap%2015.3pkg:rpm/opensuse/kernel-debug&distro=openSUSE%20Leap%2015.3pkg:rpm/opensuse/kernel-default-base&distro=openSUSE%20Leap%2015.3pkg:rpm/opensuse/kernel-default&distro=openSUSE%20Leap%2015.3pkg:rpm/opensuse/kernel-docs&distro=openSUSE%20Leap%2015.3pkg:rpm/opensuse/kernel-kvmsmall&distro=openSUSE%20Leap%2015.3pkg:rpm/opensuse/kernel-obs-build&distro=openSUSE%20Leap%2015.3pkg:rpm/opensuse/kernel-obs-qa&distro=openSUSE%20Leap%2015.3pkg:rpm/opensuse/kernel-preempt&distro=openSUSE%20Leap%2015.3pkg:rpm/opensuse/kernel-source-azure&distro=openSUSE%20Leap%2015.3pkg:rpm/opensuse/kernel-source&distro=openSUSE%20Leap%2015.3pkg:rpm/opensuse/kernel-syms-azure&distro=openSUSE%20Leap%2015.3pkg:rpm/opensuse/kernel-syms&distro=openSUSE%20Leap%2015.3pkg:rpm/opensuse/kernel-zfcpdump&distro=openSUSE%20Leap%2015.3pkg:rpm/suse/kernel-64kb&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP3pkg:rpm/suse/kernel-azure&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Public%20Cloud%2015%20SP3pkg:rpm/suse/kernel-default-base&distro=SUSE%20Linux%20Enterprise%20Micro%205.1pkg:rpm/suse/kernel-default-base&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP3pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20High%20Availability%20Extension%2015%20SP3pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2015%20SP3pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Micro%205.1pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP3pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Legacy%2015%20SP3pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Workstation%20Extension%2015%20SP3pkg:rpm/suse/kernel-docs&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP3pkg:rpm/suse/kernel-livepatch-SLE15-SP3_Update_14&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2015%20SP3pkg:rpm/suse/kernel-obs-build&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP3pkg:rpm/suse/kernel-preempt&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP3pkg:rpm/suse/kernel-preempt&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP3pkg:rpm/suse/kernel-preempt&distro=SUSE%20Linux%20Enterprise%20Workstation%20Extension%2015%20SP3pkg:rpm/suse/kernel-rt_debug&distro=SUSE%20Real%20Time%20Module%2015%20SP3pkg:rpm/suse/kernel-rt&distro=SUSE%20Linux%20Enterprise%20Micro%205.1pkg:rpm/suse/kernel-rt&distro=SUSE%20Real%20Time%20Module%2015%20SP3pkg:rpm/suse/kernel-source-azure&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Public%20Cloud%2015%20SP3pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP3pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP3pkg:rpm/suse/kernel-source-rt&distro=SUSE%20Real%20Time%20Module%2015%20SP3pkg:rpm/suse/kernel-syms-azure&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Public%20Cloud%2015%20SP3pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP3pkg:rpm/suse/kernel-syms-rt&distro=SUSE%20Real%20Time%20Module%2015%20SP3pkg:rpm/suse/kernel-zfcpdump&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP3
< 5.3.18-150300.59.49.1+ 42 more
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- (no CPE)range: < 1-150300.7.3.1
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- (no CPE)range: < 5.3.18-150300.76.1
- (no CPE)range: < 5.3.18-150300.76.1
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- (no CPE)range: < 5.3.18-150300.59.49.1
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- (no CPE)range: < 5.3.18-150300.76.1
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- (no CPE)range: < 5.3.18-150300.59.49.1
- (no CPE)range: < 5.3.18-150300.76.1
- (no CPE)range: < 5.3.18-150300.59.49.1
Patches
Vulnerability mechanics
References
1- source.android.com/security/bulletin/2022-03-01nvdPatchVendor Advisory
News mentions
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