#VU95022 Improper error handling in Linux kernel
Vulnerability identifier: #VU95022
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-388
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 error handling within the sdma_v4_0_process_trap_irq() function in drivers/gpu/drm/amd/amdgpu/sdma_v4_0.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/3dd9734878a9042f0358301d19a2b006a0fc4d06
http://git.kernel.org/stable/c/a5224e2123ce21102f346f518db80f004d5053a7
http://git.kernel.org/stable/c/544fa213f15d27f0370795845d55eeb3e00080d2
http://git.kernel.org/stable/c/e8dfbf83a82bbfb9680921719fbe65e535af59ea
http://git.kernel.org/stable/c/4edb0a84e6b32e75dc9bd6dd085b2c2ff19ec287
http://git.kernel.org/stable/c/d347c9a398bf7eab9408d207c0a50fb720f9de7d
http://git.kernel.org/stable/c/298e2ce222e712ffafa47288c5b2fcf33d72fda3
http://git.kernel.org/stable/c/6769a23697f17f9bf9365ca8ed62fe37e361a05a
Q & A
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.
