Buffer overflow in Google Android
CVE-2021-0655
In mdlactl driver, there is a possible memory corruption due to an incorrect bounds check. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS05673424; Issue ID: ALPS05673424.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.7 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.001 (1.5th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 1st percentile — 1.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.001 · newest: 0.001 · change: +0.000
Affected products
- Google Android — versions 10.0, 11.0
- Mediatek Mt6873
- Mediatek Mt6875
- Mediatek Mt6883
- Mediatek Mt6885
- Mediatek Mt6889
- Mediatek Mt6891
- Mediatek Mt6893
- Mt6873, Mt6875, Mt6883, Mt6885, Mt6889, Mt6891, Mt6893 — versions Android 10.0, 11.0
Weakness classification (CWE)
References
- corp.mediatek.com/product-security-bulletin/November-2021 (Vendor Advisory)
Frequently asked questions
- What is CVE-2021-0655?
- CVE-2021-0655 is a medium-severity vulnerability in Google Android, classified under Out-of-bounds Write. CVSS score: 6.7/10. Published 2021-11-18.
- How severe is CVE-2021-0655?
- Medium severity. CVSS v3 base score is 6.7 out of 10.