Vulnerability identifier: #VU90779
Vulnerability risk: Low
CVSSv3.1: 4.8 [AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-667
Exploitation vector: Local
Exploit availability: No
Vulnerable software:
Linux kernel
Operating systems & Components /
Operating system
Vendor: Linux Foundation
Description
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper locking within the amdgpu_gfx_off_ctrl() function in drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c, within the amdgpu_device_suspend() function in drivers/gpu/drm/amd/amdgpu/amdgpu_device.c. A local user can perform a denial of service (DoS) attack.
Mitigation
Install update from vendor's website.
Vulnerable software versions
Linux kernel:
External links
http://git.kernel.org/stable/c/65158edb0a3a8df23197d52cd24287e39eaf95d6
http://git.kernel.org/stable/c/ff70e6ff6fc2413caf33410af7462d1f584d927e
http://git.kernel.org/stable/c/caa2565a2e13899be31f7b1e069e6465d3e2adb0
http://git.kernel.org/stable/c/d855ceb6a5fde668c5431156bc60fae0cc52b764
http://git.kernel.org/stable/c/916361685319098f696b798ef1560f69ed96e934
Can this vulnerability be exploited remotely?
No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.