Vulnerability identifier: #VU87739
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-833
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 a deadlock when cloning inline extent with low amount of free metadata space in btrfs. A local user can perform a denial of service (DoS) attack.
Mitigation
Install updates from vendor's website.
Vulnerable software versions
Linux kernel:
External links
http://git.kernel.org/stable/c/d5347827d0b4b2250cbce6eccaa1c81dc78d8651
http://git.kernel.org/stable/c/96157707c0420e3d3edfe046f1cc797fee117ade
http://git.kernel.org/stable/c/f9baa501b4fd6962257853d46ddffbc21f27e344
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.