CVE-2021-0961
In quota_proc_write of xt_quota2.c, there is a possible way to read kernel memory due to...
In quota_proc_write of xt_quota2.c, there is a possible way to read kernel memory due to uninitialized data. This could lead to local information disclosure with System execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-196046570References: Upstream kernel
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- High
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- None
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
In quota_proc_write of xt_quota2.c, there is a possible way to read kernel memory due to uninitialized data. This could lead to local information disclosure with System execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-196046570References: Upstream kernel
- Record
CVE-2021-0961- CVSS 3.1
- 4.4 Medium
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N - CVSS 2.0
- 2.1 Low
AV:L/AC:L/Au:N/C:P/I:N/A:N - Weakness
- CWE-909
- Updated
- 2026-11-02
CVE List No score
In quota_proc_write of xt_quota2.c, there is a possible way to read kernel memory due to uninitialized data. This could lead to local information disclosure with System execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-196046570References: Upstream kernel
- Record
CVE-2021-0961- Updated
- 2026-11-02
EUVDEUVD-2021-3580 No score
In quota_proc_write of xt_quota2.c, there is a possible way to read kernel memory due to uninitialized data. This could lead to local information disclosure with System execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-196046570References: Upstream kernel
- Record
EUVD-2021-3580- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-9mr6-2c2v-735f No score
In quota_proc_write of xt_quota2.c, there is a possible way to read kernel memory due to...
In quota_proc_write of xt_quota2.c, there is a possible way to read kernel memory due to uninitialized data. This could lead to local information disclosure with System execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-196046570References: Upstream kernel
- Record
GHSA-9mr6-2c2v-735f- Weakness
- CWE-909
- Updated
- 2026-11-02
OSVUBUNTU-CVE-2021-0961
In quota_proc_write of xt_quota2.c, there is a possible way to read kernel memory due to uninitialized data. This could lead to local information disclosure with System execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-196046570References: Upstream kernel
- Record
UBUNTU-CVE-2021-0961- CVSS 3.1
- 4.4 Medium
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N - Updated
- 2026-11-02
OSVASB-A-196046570 No score
In quota_proc_write of xt_quota2.c, there is a possible way to read kernel memory due to uninitialized data. This could lead to local information disclosure with System execution privileges needed. User interaction is not needed for exploitation.
- Record
ASB-A-196046570- Updated
- 2026-11-05
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
:linux_kernel:Android |
:0 up to :2021-12-05, plus listed versions Kernel |
:2021-12-05 |
History
| Recorded | Changed | Sources |
|---|---|---|
| facts | OSV | |
| affected | ||
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-0961 is a medium vulnerability (CVSS 4.4) in Google Android, published December 1, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.15%, the 4th percentile. Fixed in :linux_kernel: :2021-12-05.
References
source.android.com/security/bulletin/2021-12-01
nvd.nist.gov/vuln/detail/CVE-2021-0961
github.com/advisories/GHSA-9mr6-2c2v-735f
android.googlesource.com/kernel/common/+/e113eb454e92
ubuntu.com/security/CVE-2021-0961
cve.org/CVERecord?id=CVE-2021-0961