VulnerabilityModified
CVE-2023-20928
In binder_vma_close of binder.c, there is a possible use after free due to improper locking.
HIGH 7.8EPSS 0.18%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.18%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
In binder_vma_close of binder.c, there is a possible use after free due to improper locking. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-254837884References: Upstream kernel
- 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
- 0.18% probability · 8th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-416, CWE-667
- Affected
- google/android
- Source
- security@android.com
References
- http://packetstormsecurity.com/files/170855/Android-Binder-VMA-Management-Security-Issues.html
- https://source.android.com/security/bulletin/2023-01-01Vendor Advisory
- http://packetstormsecurity.com/files/170855/Android-Binder-VMA-Management-Security-Issues.html
- https://source.android.com/security/bulletin/2023-01-01Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.