VulnerabilityModified
CVE-2021-1050
In MMU_UnmapPages of the PowerVR kernel driver, there is a possible out of bounds write due to a missing bounds check.
HIGH 7.8EPSS 0.16%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.16%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
In MMU_UnmapPages of the PowerVR kernel driver, there is a possible out of bounds write due to a missing bounds 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 SoCAndroid ID: A-243825200
- CVSS 3.1
- 7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 0.16% probability · 6th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-787
- Affected
- google/android
- Source
- security@android.com
References
- http://packetstormsecurity.com/files/175260/PowerVR-Out-Of-Bounds-Access-Information-Leak.htmlThird Party Advisory, VDB Entry
- https://source.android.com/security/bulletin/2022-11-01Vendor Advisory
- http://packetstormsecurity.com/files/175260/PowerVR-Out-Of-Bounds-Access-Information-Leak.htmlThird Party Advisory, VDB Entry
- https://source.android.com/security/bulletin/2022-11-01Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.