CVE-2017-10998
If the buffer length is large enough then the address + length operation could overflow and produce a result far below the valid region.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.43%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
In all Qualcomm products with Android releases from CAF using the Linux kernel, in audio_aio_ion_lookup_vaddr, the buffer length, which is user input, ends up being used to validate if the buffer is fully within the valid region. If the buffer length is large enough then the address + length operation could overflow and produce a result far below the valid region.
- CVSS 3.0
- 7.8 HIGHCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- EPSS
- 0.43% probability · 37th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-119
- Affected
- google/android
- Source
- product-security@qualcomm.com
References
- http://www.securityfocus.com/bid/100658Third Party Advisory, VDB Entry
- https://source.android.com/security/bulletin/2017-09-01Patch, Vendor Advisory
- http://www.securityfocus.com/bid/100658Third Party Advisory, VDB Entry
- https://source.android.com/security/bulletin/2017-09-01Patch, Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.