Medium · published December 15, 2021
CVSS calls it medium at 6.4. It is confirmed in active exploitation. It sits in the 58.3th percentile for exploit probability.
⚠️ A sneaky race condition in Android's kernel could lead to local privilege escalation, allowing an attacker to access system execution privileges with ease! 🔥 Think of a busy restaurant where the chef accidentally serves the same dish twice to two different tables — one gets a meal that's not meant for them, and the other might end up with an empty plate. In this case, the system is serving up privileges without checking if they’re still valid! An attacker could exploit this vulnerability to gain elevated privileges on the device, potentially leading to unauthorized access to sensitive data or control over system functions. While user interaction isn’t needed, the potential fallout for affected devices could be significant!
Think of a busy restaurant where the chef accidentally serves the same dish twice to two different tables — one gets a meal that's not meant for them, and the other might end up with an empty plate. In this case, the system is serving up privileges without checking if they’re still valid! This issue arises from a use after free bug in the function unix_scm_to_skb, allowing the system to incorrectly manage memory, which may enable an attacker to execute code with elevated privileges.
An attacker could exploit this vulnerability to gain elevated privileges on the device, potentially leading to unauthorized access to sensitive data or control over system functions. While user interaction isn’t needed, the potential fallout for affected devices could be significant! Update the Android kernel to the latest version where this issue has been addressed. Monitor your devices for signs of exploitation and educate users on the importance of regular updates. Don't wait—secure your systems today! You can tackle this! Patch those systems and keep your Android devices secure. 🛡️