Vulnerability identifier: #VU94236
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-125
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 an out-of-bounds read error within the kvm_vcpu_on_spin() function in virt/kvm/kvm_main.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/92c77807d938145c7c3350c944ef9f39d7f6017c
http://git.kernel.org/stable/c/a937ef951bba72f48d2402451419d725d70dba20
http://git.kernel.org/stable/c/95c8dd79f3a14df96b3820b35b8399bd91b2be60
http://git.kernel.org/stable/c/49f683b41f28918df3e51ddc0d928cb2e934ccdb
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.