CVE-2020-11272

Before enqueuing a frame to the PE queue for further processing, an entry in a hash table can be deleted and using a stale version later can lead to use after…

published February 22, 2021

CVSS
—
EPSS
1%
Percentile
59.1
In the wild
Unconfirmed
What it is

⚠️ A use-after-free condition awaits in the shadows! Before a frame is processed in the PE queue, a hash table entry could be deleted only to be used again — think of it as a chef tossing out an ingredient and then trying to cook with a memory of it! Imagine a restaurant where a server mistakenly clears a table but then tries to serve a dish using a placemat that's already been taken away. The dish could end up with a missing ingredient or an unexpected flavor, leading to a chaotic kitchen! What’s at stake here? An attacker could exploit this vulnerability, leading to potentially unstable behavior in Snapdragon devices, which might allow unauthorized access or crashes. This could disrupt everyday operations in devices ranging from your smartphone to smart home gadgets, making it absolutely crucial to address!

Put simply

Imagine a restaurant where a server mistakenly clears a table but then tries to serve a dish using a placemat that's already been taken away. The dish could end up with a missing ingredient or an unexpected flavor, leading to a chaotic kitchen! This vulnerability arises when a frame is enqueued to the PE queue without proper handling of hash table entries, resulting in a use-after-free scenario. When a deleted entry is accessed later, it may lead to unexpected behaviors or crashes in Snapdragon platforms.

What to do

What’s at stake here? An attacker could exploit this vulnerability, leading to potentially unstable behavior in Snapdragon devices, which might allow unauthorized access or crashes. This could disrupt everyday operations in devices ranging from your smartphone to smart home gadgets, making it absolutely crucial to address! To mitigate this issue, ensure that you apply the latest patches from Qualcomm for affected Snapdragon components. Regularly check for firmware updates and validate that your devices are using the most secure configurations. Staying proactive is key! You've got this! Updating your firmware will keep your devices running smoothly and securely. 🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.00894 · 59.1th percentile
Published
2021-02-22T06:25Z
EPSS history
Timeline
  • 22 FEB 06:25Z
    Before enqueuing a frame to the PE queue for further processing, an entry in a hash table can be deleted and using a stale version later can lead to use after…
    cvelistv5