01 Record
CVE-2023-40088
In callback_thread_event of com_android_bluetooth_btservice_AdapterService.cpp, there is a possible memory corruption due to a use after free. This could lead to remote (proximal/adjacent) code
HighPUBLISHEDCNA: google_android
CNA base score8.8 CVSS v3.xCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
02 Description
In callback_thread_event of com_android_bluetooth_btservice_AdapterService.cpp, there is a possible memory corruption due to a use after free. This could lead to remote (proximal/adjacent) code
03 Exploitation and scoring
- Exploitation
- Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.
- SSVC decision
- ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
- AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
- Technical ImpacttotalSuccessful exploitation gives total control of the vulnerable component.
- EPSS probability
- 1.71% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 76.9% of scored records. A rank, not a probability.
- NVD base score
- 8.8 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-17.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2023-12-04 22:40Z2 YR AGO
- Last updated
- 2024-08-02 18:24Z2 YR AGO
- Reserved
- 2023-08-09
- Assigning CNA
- google_android
- Record state
- PUBLISHED
- Severity
- High (CVSS 8.8)
- CNA CVSS vector
- CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Weaknesses
- CWE-416Use After FreeVariant
- Data version
- 5.1
- Document digest
- 569cc34875f7b66fe7fd460bf0830a7ce1387af858e99ba397b23a3f5769fda6
05 Affected products
VendorProductVersionsPlatforms
06 References
- android.googlesource.comhttps://android.googlesource.com/platform/packages/modules/Bluetooth/+/5bfd817719fcf55cbb3476e6b5539a3db4c437fc
- source.android.comhttps://source.android.com/security/bulletin/2023-12-01