CVE detail
CVE-2021-1940
Use after free can occur due to improper handling of response from firmware in Snapdragon Auto, Snapdragon Compute, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wearables
Buzz score
Why this CVE is surfacing
This all-time snapshot uses the same composite formula as Trending across a 30-year evidence window, rather than a current rolling window.
Buzz score components · mention 6.9 · diversity 5.0 · KEV 0.0 · OTX 0.0 · PoC 0.0
Why it matters now
Mention timeline
- Total mentions
- 0
- within the 30d window
- Peak daily
- 0
- highest bucket
Evidence
Source links by recency
1 source links · newest first
- Fall of the machines: Exploiting the Qualcomm NPU (neural processing unit) kernel driverGitHub Security Lab
In this post, I’ll use three bugs that I reported to Qualcomm in the NPU (neural processing unit) driver to gain arbitrary kernel code execution as root user and disable SELinux from the untrusted app sandbox in an Android phone.
vendorgithub.blogNov 18, 2021, 2:58 PM
Exploit code
Public exploit repository references
Public PoC repositories are third-party, potentially unsafe artifacts. Treat their code as untrusted and use it only on authorized systems in an isolated, least-privilege environment. cvebuzz does not execute the code or verify that an exploit works.
0 repository references · best confidence N/A · max 0 stars
Related records
Similar CVEs
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Improper validation of kernel buffer address while copying information back to user buffer can lead to kernel memory information exposure to user space in Snapdragon Auto, Snapdra…
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Improper handling of permissions of a shared memory region can lead to memory corruption in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT,…
- CVE-2021-30263CVSS 6.7 · Medium
Possible race condition can occur due to lack of synchronization mechanism when On-Device Logging node open twice concurrently in Snapdragon Compute, Snapdragon Industrial IOT, Sn…
- CVE-2021-30265CVSS 6.7 · Medium
Possible memory corruption due to improper validation of memory address while processing user-space IOCTL for clearing Filter and Route statistics in Snapdragon Auto, Snapdragon C…