Memory leak in Linux kernel - CVE-2019-19082
Published: November 27, 2019
Vulnerability identifier: #VU23028
CSH Severity: Low
CVSS v4: 6.9 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2019-19082
CWE-ID: CWE-401
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to memory leak within the *create_resource_pool() functions in "drivers/gpu/drm/amd/display/dc" file. A local attacker can cause a denial of service condition (memory consumption).
This vulnerability affects the following functions:
- dce120_create_resource_pool() function in drivers/gpu/drm/amd/display/dc/dce120/dce120_resource.c
- dce110_create_resource_pool() function in drivers/gpu/drm/amd/display/dc/dce110/dce110_resource.c
- dce100_create_resource_pool() function in drivers/gpu/drm/amd/display/dc/dce100/dce100_resource.c
- dcn10_create_resource_pool() function in drivers/gpu/drm/amd/display/dc/dcn10/dcn10_resource.c
- dce112_create_resource_pool() function in drivers/gpu/drm/amd/display/dc/dce112/dce112_resource.c
Affected software
Linux kernel
How to mitigate CVE-2019-19082
Install updates from vendor's website.
Linux kernel - update to 5.3.12