Buffer overflow in Openatom Openharmony
CVE-2022-41686
OpenHarmony-v3.1.2 and prior versions, 3.0.6 and prior versions have an Out-of-bound memory read and write vulnerability in /dev/mmz_userdev device driver. The impact depends on the privileges of the attacker. The unprivileged process run on the device could read out-of-bound memory leading sensitive to information disclosure. The processes with system user UID run on the device would be able to write out-of-bound memory which could lead to unspecified memory corruption.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.1 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N.
EPSS exploit prediction
EPSS: 0.003 (22.3th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 22nd percentile — 22.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: +0.000
Affected products
- Openatom Openharmony
- Openharmony — versions OpenHarmony-v3.1.x-Release, OpenHarmony-v3.0.x-LTS
Weakness classification (CWE)
References
- gitee.com/openharmony/security/blob/master/en/security-disclosure/2022/2022-10… (Third Party Advisory)
Frequently asked questions
- What is CVE-2022-41686?
- CVE-2022-41686 is a medium-severity vulnerability in Openatom Openharmony, classified under Out-of-bounds Write. CVSS score: 5.1/10. Published 2022-10-14.
- How severe is CVE-2022-41686?
- Medium severity. CVSS v3 base score is 5.1 out of 10.