Buffer overflow in Google Android
CVE-2021-39633
In gre_handle_offloads of ip_gre.c, there is a possible page fault due to an invalid memory access. This could lead to local information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-150694665References: Upstream kernel
Vulnerability class: Buffer Overflow
EPSS: 0.002 (7.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.
Affected products
- Google Android
- N/a Android — versions Android kernel
Weakness classification (CWE)
References
- security@android.com (Patch, x_refsource_MISC, Vendor Advisory)
Frequently asked questions
- What is CVE-2021-39633?
- CVE-2021-39633 is a medium-severity vulnerability in Google Android, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 5.5/10. Published 2022-01-14.
- How severe is CVE-2021-39633?
- Medium severity. CVSS v3 base score is 5.5 out of 10.