Summary
It was discovered that Wayland incorrectly handled reference counting
certain objects. An attacker could use this issue to cause Wayland to
crash, resulting in a denial of service, or possibly execute arbitrary
code.
Fixed packages 3
| Release | Package | Fixed in |
|---|---|---|
| Ubuntu · 18.04 LTS 18.04:LTS | wayland | 1.16.0-1ubuntu1.1~18.04.4 |
| Ubuntu · 20.04 LTS 20.04:LTS | wayland | 1.18.0-1ubuntu0.1 |
| Ubuntu · 22.04 LTS 22.04:LTS | wayland | 1.20.0-1ubuntu0.1 |
Vulnerabilities 1
-
Medium 6.6
An internal reference count is held on the buffer pool, incremented every time a new buffer is created from the pool. T…
References
-
report
https://ubuntu.com/security/CVE-2021-3782