CVE-2023-33110: qualcomm, inc. snapdragon Use of Out-of-range Pointer Offset

Vulnerability summary

CVE-2023-33110 is a high (CVSS 7.8) Use of Out-of-range Pointer Offset vulnerability in qualcomm, inc. snapdragon. EPSS estimates a 0.08% chance of exploitation in the next 30 days, higher than 0.1% of scored vulnerabilities.

Timeline

1. 02-01-2024
   PublishedVulnerability first disclosed.
2. 21-05-2025
   Last modifiedVulnerability information updated.

Description

The session index variable in PCM host voice audio driver initialized before PCM open, accessed during event callback from ADSP and reset during PCM close may lead to race condition between event callback - PCM close and reset session index causing memory corruption.

• CWE-823Use of Out-of-range Pointer OffsetThe product performs pointer arithmetic on a valid pointer, but it uses an offset that can point outside of the intended range of valid memory locations for the resulting pointer.
• CWE-362Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')The product contains a concurrent code sequence that requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence operating concurrently.