Vulnerability identifier: #VU90934
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-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 cpu_down_maps_locked() function in kernel/cpu.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/3410b702354702b500bde10e3cc1f9db8731d908
http://git.kernel.org/stable/c/335a47ed71e332c82339d1aec0c7f6caccfcda13
http://git.kernel.org/stable/c/3073f6df783d9d75f7f69f73e16c7ef85d6cfb63
http://git.kernel.org/stable/c/38685e2a0476127db766f81b1c06019ddc4c9ffa
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.