Risk | Low |
Patch available | YES |
Number of vulnerabilities | 1 |
CVE-ID | CVE-2021-47490 |
CWE-ID | CWE-401 |
Exploitation vector | Local |
Public exploit | N/A |
Vulnerable software Subscribe |
Linux kernel Operating systems & Components / Operating system |
Vendor | Linux Foundation |
Security Bulletin
This security bulletin contains one low risk vulnerability.
EUVDB-ID: #VU90441
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: CVE-2021-47490
CWE-ID:
CWE-401 - Missing release of memory after effective lifetime
Exploit availability: No
DescriptionThe vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory leak within the ttm_transfered_destroy() function in drivers/gpu/drm/ttm/ttm_bo_util.c. A local user can perform a denial of service (DoS) attack.
MitigationInstall update from vendor's website.
Vulnerable software versionsLinux kernel: All versions
CPE2.3http://git.kernel.org/stable/c/bd99782f3ca491879e8524c89b1c0f40071903bd
http://git.kernel.org/stable/c/960b1fdfc39aba8f41e9e27b2de0c925c74182d9
http://git.kernel.org/stable/c/c21b4002214c1c7e7b627b9b53375612f7aab6db
http://git.kernel.org/stable/c/bbc920fb320f1c241cc34ac85edaa0058922246a
http://git.kernel.org/stable/c/132a3d998d6753047f22152731fba2b0d6b463dd
http://git.kernel.org/stable/c/0db55f9a1bafbe3dac750ea669de9134922389b5
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.