Vulnerability identifier: #VU97841
Vulnerability risk: Low
CVSSv3.1: 4.8 [CVSS:3.1/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-20
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 input validation within the navi10_get_current_clk_freq_by_table(), navi10_emit_clk_levels(), navi10_print_clk_levels() and navi10_force_clk_levels() functions in drivers/gpu/drm/amd/pm/swsmu/smu11/navi10_ppt.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/60f4a4bc3329e5cb8c4df0cc961f0d5ffd96e22d
http://git.kernel.org/stable/c/4711b1347cb9f0c3083da6d87c624d75f9bd1d50
http://git.kernel.org/stable/c/06a3810010b525b9958424e344f0c25b09e128fa
http://git.kernel.org/stable/c/c8c19ebf7c0b202a6a2d37a52ca112432723db5f
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.